joker | 65e48138eeec15a0fad5c341f62ecc31552c01db04db0fd2e8c39ac3e45fcff7

Analysis

max time kernel
146s
max time network
172s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/10/2022, 19:25

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General

Target

f075c52ce064768d7567c841f269712b.exe
Size

137KB
MD5

f075c52ce064768d7567c841f269712b
SHA1

993d250b26e4660b93ba8e29af6cc9a46420e772
SHA256

65e48138eeec15a0fad5c341f62ecc31552c01db04db0fd2e8c39ac3e45fcff7
SHA512

59813726e98b1d889759e28391b9d82a596a9a37ba98f5e2fd9ddce7dcf15ed8d8a72037d01531a26d496fa891b0f67b3d0880f6fec09aa8f0c74488a45bda22
SSDEEP

3072:71i/NU8bOMYcYYcmy5d048g3nan3vx9kGSYng7+s5YmMOMYcYY51i/NU81:Zi/NjO5x0Xg+UGSYnuy3Oai/Nd

Score

10^/10

joker infostealer persistence trojan

Malware Config

Signatures

joker
Joker is an Android malware that targets billing and SMS fraud.
infostealer trojan joker

Executes dropped EXE 1 IoCs

pid	Process
1692	sys.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}	sys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}\StubPath = "file:\\\\C:\\sys.exe"	sys.exe

Deletes itself 1 IoCs

pid	Process
1488	cmd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\ie.bat	sys.exe
File created	C:\WINDOWS\SysWOW64\qx.bat	sys.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\sys.exe	sys.exe
File opened for modification	C:\WINDOWS\sys.exe	attrib.exe
File created	C:\WINDOWS\sys.exe	f075c52ce064768d7567c841f269712b.exe
File opened for modification	C:\WINDOWS\sys.exe	f075c52ce064768d7567c841f269712b.exe
File created	C:\WINDOWS\sys.exe	sys.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Kills process with taskkill 2 IoCs

evasion

pid	Process
1980	taskkill.exe
1516	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 55 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\154.203.154.173\ = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.ymtuku.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "126"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf00000000020000000000106600000001000020000000c8f58823c53b965253a4aa7775c82a478db3bfd923f3c63bea87a1687c6a6aa7000000000e800000000200002000000049b999002242c9ed93ca18af0ff4898a65dbfee37958fc609ce6ac653f6d0330200000007b23f8b90e557015f314a2395d06f4b76b3d95b63f22b094b50cd81735e22d884000000017a9597992c0675acedbc49856f99f56800a8e6a5348a2ada92c8ed4a4ede116d7207eb678a1cb436172d292218b5e04de5896db1344dd57ca67ef8c7dc55f97	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	sys.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\ymtuku.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6EE3E141-442B-11ED-AEF5-42FEA5F7B9B2} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\ymtuku.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371683875"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.ymtuku.com\ = "63"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0a5227638d8d801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\ymtuku.com\Total = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\154.203.154.173	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\154.203.154.173\Total = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\154.203.154.173\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "63"	IEXPLORE.EXE

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://dhku.com"	sys.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1692	sys.exe
1692	sys.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	taskkill.exe
Token: SeDebugPrivilege	1980	taskkill.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
960	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1016	f075c52ce064768d7567c841f269712b.exe
1692	sys.exe
960	iexplore.exe
960	iexplore.exe
844	IEXPLORE.EXE
844	IEXPLORE.EXE
844	IEXPLORE.EXE
844	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 1980	1016	f075c52ce064768d7567c841f269712b.exe	28
PID 1016 wrote to memory of 1980	1016	f075c52ce064768d7567c841f269712b.exe	28
PID 1016 wrote to memory of 1980	1016	f075c52ce064768d7567c841f269712b.exe	28
PID 1016 wrote to memory of 1980	1016	f075c52ce064768d7567c841f269712b.exe	28
PID 1016 wrote to memory of 1692	1016	f075c52ce064768d7567c841f269712b.exe	30
PID 1016 wrote to memory of 1692	1016	f075c52ce064768d7567c841f269712b.exe	30
PID 1016 wrote to memory of 1692	1016	f075c52ce064768d7567c841f269712b.exe	30
PID 1016 wrote to memory of 1692	1016	f075c52ce064768d7567c841f269712b.exe	30
PID 1692 wrote to memory of 1516	1692	sys.exe	31
PID 1692 wrote to memory of 1516	1692	sys.exe	31
PID 1692 wrote to memory of 1516	1692	sys.exe	31
PID 1692 wrote to memory of 1516	1692	sys.exe	31
PID 1016 wrote to memory of 1488	1016	f075c52ce064768d7567c841f269712b.exe	32
PID 1016 wrote to memory of 1488	1016	f075c52ce064768d7567c841f269712b.exe	32
PID 1016 wrote to memory of 1488	1016	f075c52ce064768d7567c841f269712b.exe	32
PID 1016 wrote to memory of 1488	1016	f075c52ce064768d7567c841f269712b.exe	32
PID 1692 wrote to memory of 960	1692	sys.exe	35
PID 1692 wrote to memory of 960	1692	sys.exe	35
PID 1692 wrote to memory of 960	1692	sys.exe	35
PID 1692 wrote to memory of 960	1692	sys.exe	35
PID 960 wrote to memory of 844	960	iexplore.exe	38
PID 960 wrote to memory of 844	960	iexplore.exe	38
PID 960 wrote to memory of 844	960	iexplore.exe	38
PID 960 wrote to memory of 844	960	iexplore.exe	38
PID 1692 wrote to memory of 580	1692	sys.exe	39
PID 1692 wrote to memory of 580	1692	sys.exe	39
PID 1692 wrote to memory of 580	1692	sys.exe	39
PID 1692 wrote to memory of 580	1692	sys.exe	39
PID 580 wrote to memory of 1356	580	cmd.exe	41
PID 580 wrote to memory of 1356	580	cmd.exe	41
PID 580 wrote to memory of 1356	580	cmd.exe	41
PID 580 wrote to memory of 1356	580	cmd.exe	41
PID 1692 wrote to memory of 1156	1692	sys.exe	42
PID 1692 wrote to memory of 1156	1692	sys.exe	42
PID 1692 wrote to memory of 1156	1692	sys.exe	42
PID 1692 wrote to memory of 1156	1692	sys.exe	42
PID 1156 wrote to memory of 1816	1156	cmd.exe	44
PID 1156 wrote to memory of 1816	1156	cmd.exe	44
PID 1156 wrote to memory of 1816	1156	cmd.exe	44
PID 1156 wrote to memory of 1816	1156	cmd.exe	44
PID 1692 wrote to memory of 1320	1692	sys.exe	45
PID 1692 wrote to memory of 1320	1692	sys.exe	45
PID 1692 wrote to memory of 1320	1692	sys.exe	45
PID 1692 wrote to memory of 1320	1692	sys.exe	45
PID 1320 wrote to memory of 632	1320	cmd.exe	47
PID 1320 wrote to memory of 632	1320	cmd.exe	47
PID 1320 wrote to memory of 632	1320	cmd.exe	47
PID 1320 wrote to memory of 632	1320	cmd.exe	47
PID 1692 wrote to memory of 1624	1692	sys.exe	48
PID 1692 wrote to memory of 1624	1692	sys.exe	48
PID 1692 wrote to memory of 1624	1692	sys.exe	48
PID 1692 wrote to memory of 1624	1692	sys.exe	48
PID 1624 wrote to memory of 1336	1624	cmd.exe	50
PID 1624 wrote to memory of 1336	1624	cmd.exe	50
PID 1624 wrote to memory of 1336	1624	cmd.exe	50
PID 1624 wrote to memory of 1336	1624	cmd.exe	50
PID 1692 wrote to memory of 1552	1692	sys.exe	51
PID 1692 wrote to memory of 1552	1692	sys.exe	51
PID 1692 wrote to memory of 1552	1692	sys.exe	51
PID 1692 wrote to memory of 1552	1692	sys.exe	51
PID 1552 wrote to memory of 924	1552	cmd.exe	53
PID 1552 wrote to memory of 924	1552	cmd.exe	53
PID 1552 wrote to memory of 924	1552	cmd.exe	53
PID 1552 wrote to memory of 924	1552	cmd.exe	53

Views/modifies file attributes 1 TTPs 7 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1740	attrib.exe
1980	attrib.exe
1356	attrib.exe
1816	attrib.exe
632	attrib.exe
1336	attrib.exe
924	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f075c52ce064768d7567c841f269712b.exe
"C:\Users\Admin\AppData\Local\Temp\f075c52ce064768d7567c841f269712b.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\taskkill.exe
  taskkill.exe /im KSafeTray.exe /f
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1980
- C:\WINDOWS\sys.exe
  "C:\WINDOWS\sys.exe"
  2⤵
  - Executes dropped EXE
  - Modifies Installed Components in the registry
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Modifies Internet Explorer start page
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill.exe /im KSafeTray.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1516
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://www.ymtuku.com/xg/?tan
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:960
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:960 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:844
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\All Users\桌面\Internet Explorer.lnk"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:580
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\Documents and Settings\All Users\桌面\Internet Explorer.lnk"
      4⤵
      Views/modifies file attributes
      PID:1356
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\桌面\Internet Explorer.lnk"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1156
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\Documents and Settings\Admin\桌面\Internet Explorer.lnk"
      4⤵
      Views/modifies file attributes
      PID:1816
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\启动 Internet Explorer 浏览器.lnk"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1320
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\启动 Internet Explorer 浏览器.lnk"
      4⤵
      Views/modifies file attributes
      PID:632
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1624
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk"
      4⤵
      Views/modifies file attributes
      PID:1336
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\「开始」菜单\程序\Internet Explorer.lnk"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1552
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\Documents and Settings\Admin\「开始」菜单\程序\Internet Explorer.lnk"
      4⤵
      Views/modifies file attributes
      PID:924
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c attrib +h "C:\WINDOWS\sys.exe"
    3⤵
    PID:1784
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\WINDOWS\sys.exe"
      4⤵
      Drops file in Windows directory
      Views/modifies file attributes
      PID:1740
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c attrib +h "c:\sys.exe"
    3⤵
    PID:1876
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h "c:\sys.exe"
      4⤵
      Views/modifies file attributes
      PID:1980
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del f075c52ce064768d7567c841f269712b.exe
  2⤵
  - Deletes itself
  PID:1488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\82CB34DD3343FE727DF8890D352E0D8F

Filesize
7KB

MD5
706d6538fd37693ad6e2784b2ea35218

SHA1
cabb2d92135c4f7c1e7a55053b0257495fab966c

SHA256
3be2af083ffd1e6bf9762687183226aa01ec65b391afdfae8ecdafc247f5c77e

SHA512
9c293e3c391918eba162a791c5e77d8c101bc30954de9fc19c1b3604ece3f293e7e26539626a20e15983b847ca2adb571b48ff2742b6617ebed9cf20faf496fe

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
60KB

MD5
d15aaa7c9be910a9898260767e2490e1

SHA1
2090c53f8d9fc3fbdbafd3a1e4dc25520eb74388

SHA256
f8ebaaf487cba0c81a17c8cd680bdd2dd8e90d2114ecc54844cffc0cc647848e

SHA512
7e1c1a683914b961b5cc2fe5e4ae288b60bab43bfaa21ce4972772aa0589615c19f57e672e1d93e50a7ed7b76fbd2f1b421089dcaed277120b93f8e91b18af94

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\82CB34DD3343FE727DF8890D352E0D8F

Filesize
226B

MD5
fc5b2795e5ebd67e5536d407dcac9fb0

SHA1
5ce2449b50f2a8ad2a44d525bd874edffb7e700c

SHA256
178bb5dbb52ffafa0ba2f511c977aff253b635d69aadae1c17fe2c427214fcc7

SHA512
0634d4bd616e21e3cbbf12a603d235d949279dfe5416a9205d559c2d9701f34aad1ed77789abbc4efe5bc0a72c96f3684db1211d0b219256e93f420baebe8de3

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
96300e0bd1d7f08376a84d8c7a321f5a

SHA1
7c3d8392cecca173552dc4dffaaf55669dafb9b2

SHA256
9a3c76bf4c83c1b8f8fde886db0a6d31c237cc4e69aaa26632c907d171523a6f

SHA512
12e1bb4c6c55de572559ea8ea7611ff5a5e88a0ef77ddd2d6c04a78c328d047aac975c77690e506e2cbda09027ff5902d8ed624bfb5309e935bf039c259b5ed6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\lwrmjt1\imagestore.dat

Filesize
5KB

MD5
1a0398e77f4c2d30dc75536472e0f380

SHA1
aaab27718cd4ea2cf6bf9eb8b9088cfbc0284d7c

SHA256
6443f532d01f5a28f2bb187d1832680283825c4364a8963cc302516f5465d8ea

SHA512
7547977c171c69dbe96fee2a4501ce3ce8a9d8f3d382bf8bb98f490f92eed88cf622145325914b4fee1fb5b2dbf443a03504ba09315dcd3b33cee0b2d1206e05

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\NMANVNOK.txt

Filesize
607B

MD5
e47b794e6a9239edd63f3ec9fb3cc970

SHA1
e09deb085260f68a3fad895185d10b37b41bc40f

SHA256
d6ad497738b8355cee131587eee17d8800644472cffd529f8e3678c843c8cd32

SHA512
9fc4f9131151de02d567a34742b2710a0b25b44d6b79de711fab43097973d3e20c3f9437007fa7d24822507bb4e9bc2053018d5801ed43f78ffdc198266b1fd0

Download Submit
C:\WINDOWS\sys.exe

Filesize
137KB

MD5
c24b64147ddfa8536580ef82dc13cfc1

SHA1
a77805a700e730bf9e4a5ee9b39de1ec07986cdd

SHA256
f622e7d384ff7a2fe66101994da031831091e51095d0ad3dccf9f24af983b143

SHA512
44d30591dc99da40d23aa1f2bc6db3008b746b1d95c38021968527b6fd7d46c4e43e0d0fd26437ea1f531b7eb6ed17c88c6f64e863968a4f6dcaeabdf32c0bf9

Download Submit
C:\Windows\sys.exe

Filesize
137KB

MD5
c24b64147ddfa8536580ef82dc13cfc1

SHA1
a77805a700e730bf9e4a5ee9b39de1ec07986cdd

SHA256
f622e7d384ff7a2fe66101994da031831091e51095d0ad3dccf9f24af983b143

SHA512
44d30591dc99da40d23aa1f2bc6db3008b746b1d95c38021968527b6fd7d46c4e43e0d0fd26437ea1f531b7eb6ed17c88c6f64e863968a4f6dcaeabdf32c0bf9

Download Submit
C:\sys.exe

Filesize
137KB

MD5
00e31e7309dc92da5d1a17af220cac68

SHA1
438d6007c8d3b388ca5a917c452c5bc5bdb1bd90

SHA256
8330e20d5737b07ccab75b68adc4fa7bc5a3f446e08e90b6c57a909a747c3dbb

SHA512
1df30ce005f6d8960692f72953388036c57658adc85661fa7652cdb3c6f2bea186ed8abc6820a5ba1a4248278ca62000f61b20adeff4ecfaface2cf1d55a81b8

Download Submit
\??\c:\sys.exe

Filesize
137KB

MD5
c24b64147ddfa8536580ef82dc13cfc1

SHA1
a77805a700e730bf9e4a5ee9b39de1ec07986cdd

SHA256
f622e7d384ff7a2fe66101994da031831091e51095d0ad3dccf9f24af983b143

SHA512
44d30591dc99da40d23aa1f2bc6db3008b746b1d95c38021968527b6fd7d46c4e43e0d0fd26437ea1f531b7eb6ed17c88c6f64e863968a4f6dcaeabdf32c0bf9

Download Submit
memory/1016-57-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download