acc6bf63969befee9889f78f6d81bac7fd523c2234372043f3b899e2f86bb66e

General

Target

12383c3ac73fcdd59416c7e695d17180.exe
Size

28KB
MD5

12383c3ac73fcdd59416c7e695d17180
SHA1

904abd1b32a377a3ccbd2a9398aa36f19ed6429d
SHA256

acc6bf63969befee9889f78f6d81bac7fd523c2234372043f3b899e2f86bb66e
SHA512

7be3010915135213c49f1edf925dd0b5fe6d0aa4ef754f04dad05f93fef676bc0238f979449483d375a6354b9b9c47b9a736f736b53da320859ebe1dbc2a20fc
SSDEEP

768:AFjd3h0TMRxxK5onshMg6OM7ibt55l2TuEpaFoRgw:AzR0GxxKOdgzpf5l2TuEpEqgw

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2748	cmd.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2252-0-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2252-3-0x0000000000400000-0x0000000000415000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\hd_driver.exe	12383c3ac73fcdd59416c7e695d17180.exe
File opened for modification	C:\Windows\SysWOW64\hd_driver.exe	12383c3ac73fcdd59416c7e695d17180.exe
File created	C:\Windows\SysWOW64\HD_DRIVER.dll	12383c3ac73fcdd59416c7e695d17180.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{04B92571-A887-11EE-A29D-C2500A176F17} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410262708"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2252	12383c3ac73fcdd59416c7e695d17180.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2184	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2252	12383c3ac73fcdd59416c7e695d17180.exe
2252	12383c3ac73fcdd59416c7e695d17180.exe
2252	12383c3ac73fcdd59416c7e695d17180.exe
2184	IEXPLORE.EXE
2184	IEXPLORE.EXE
1760	IEXPLORE.EXE
1760	IEXPLORE.EXE
1760	IEXPLORE.EXE
1760	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2184	2252	12383c3ac73fcdd59416c7e695d17180.exe	28
PID 2252 wrote to memory of 2184	2252	12383c3ac73fcdd59416c7e695d17180.exe	28
PID 2252 wrote to memory of 2184	2252	12383c3ac73fcdd59416c7e695d17180.exe	28
PID 2252 wrote to memory of 2184	2252	12383c3ac73fcdd59416c7e695d17180.exe	28
PID 2184 wrote to memory of 1760	2184	IEXPLORE.EXE	29
PID 2184 wrote to memory of 1760	2184	IEXPLORE.EXE	29
PID 2184 wrote to memory of 1760	2184	IEXPLORE.EXE	29
PID 2184 wrote to memory of 1760	2184	IEXPLORE.EXE	29
PID 2252 wrote to memory of 2184	2252	12383c3ac73fcdd59416c7e695d17180.exe	28
PID 2252 wrote to memory of 2748	2252	12383c3ac73fcdd59416c7e695d17180.exe	30
PID 2252 wrote to memory of 2748	2252	12383c3ac73fcdd59416c7e695d17180.exe	30
PID 2252 wrote to memory of 2748	2252	12383c3ac73fcdd59416c7e695d17180.exe	30
PID 2252 wrote to memory of 2748	2252	12383c3ac73fcdd59416c7e695d17180.exe	30

C:\Users\Admin\AppData\Local\Temp\12383c3ac73fcdd59416c7e695d17180.exe
"C:\Users\Admin\AppData\Local\Temp\12383c3ac73fcdd59416c7e695d17180.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2184 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1760
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\12383C~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
344B

MD5
0ee95578759b6bba39303f1e1739bfa7

SHA1
09205a1c8c44a59cafc9d87d3271a585456ede66

SHA256
4c6be8443f846824ac22e4be6687008c0a5002af383706dcfd81bcb5af934e6a

SHA512
0516f0f71e59bda3e28d4818af2cd107a2d989d42b65344674812f5568dad2a0a940aeab46b06cfe09ee14436bce1cc0fdbe1bfc4ac9099bef9387ff0840a613

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9CDE.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9D4F.tmp

Filesize
37KB

MD5
e6acc17a4f6bfa732b33b3bd52b336ca

SHA1
b61b6d1bf3ff2d115ae7fa5844dd16ea091bf976

SHA256
4099498507f844f267f8f505a3476d431e36a9250e656ff095192590f15b6fdd

SHA512
a638661e4902d24fc58dea992994e34f294ba23e9a06c75fdcc96eb422ca57fbd1cf48049da9876e2fff5bd0747446b2ed64995b18ca179a1175e605c24d463e

Download Submit
memory/2252-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2252-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

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