b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e

Analysis

max time kernel
140s
max time network
166s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 13:18

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General

Target

b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe
Size

216KB
MD5

79b58f50dc76ec667a996e8fe2af3d14
SHA1

b68a4cdfc2093955b6692b10c7a5888e6c695d1c
SHA256

b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e
SHA512

dce0e40b98c62bfadb3dc2c7964465d8dd1bd03b0e8bd817ebca9c7ebdc6a19a56890b1d5d505967fcb563446718c507b1bc6afee16343d18f5b6e48e3b8c74d
SSDEEP

3072:+37TFytkq+usgdZRK3w4AkF3M1NToHtbrZf:+37ctlO+P4j3ST4tbrZf

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1816-55-0x0000000000400000-0x000000000044B000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
668	iexplore.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xhkfkc = "C:\\Users\\Admin\\AppData\\Roaming\\Xhkfkc.scr"	iexplore.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1816 set thread context of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377106941"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{05BB9530-757E-11ED-8EAC-767CA9D977BF} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe
Token: SeDebugPrivilege	1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe
Token: SeDebugPrivilege	668	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
576	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
576	IEXPLORE.EXE
576	IEXPLORE.EXE
1616	IEXPLORE.EXE
1616	IEXPLORE.EXE
1616	IEXPLORE.EXE
1616	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1816 wrote to memory of 1404	1816	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	28
PID 1404 wrote to memory of 668	1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	29
PID 1404 wrote to memory of 668	1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	29
PID 1404 wrote to memory of 668	1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	29
PID 1404 wrote to memory of 668	1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	29
PID 668 wrote to memory of 576	668	iexplore.exe	30
PID 668 wrote to memory of 576	668	iexplore.exe	30
PID 668 wrote to memory of 576	668	iexplore.exe	30
PID 668 wrote to memory of 576	668	iexplore.exe	30
PID 1404 wrote to memory of 668	1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	29
PID 1404 wrote to memory of 668	1404	b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe	29
PID 576 wrote to memory of 1616	576	IEXPLORE.EXE	32
PID 576 wrote to memory of 1616	576	IEXPLORE.EXE	32
PID 576 wrote to memory of 1616	576	IEXPLORE.EXE	32
PID 576 wrote to memory of 1616	576	IEXPLORE.EXE	32

C:\Users\Admin\AppData\Local\Temp\b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe
"C:\Users\Admin\AppData\Local\Temp\b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Users\Admin\AppData\Local\Temp\b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe
  C:\Users\Admin\AppData\Local\Temp\b0bc1edee90f531e87fd46fa4729366c5e4cd46507f98f8ef97188fca8f45c8e.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1404
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Deletes itself
    - Adds Run key to start application
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:668
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:576
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:576 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\TO1BTO6K.txt

Filesize
601B

MD5
bbd460878a0cfc764514001145b35254

SHA1
aa0b59780f69a9640803d6676eb6983822af7007

SHA256
52fb5257b76acb921fcb88557ea73186e8371d3fbddb0c129578dfc785b9570a

SHA512
2a515e0c448b142ad7f252b539da33f4f3d58c5171d10d81e39a687334fee56e26fa131fc0ae461915dc391fd1f8d11769256a187e5640f7ac90fa9e7046e773

Download Submit
memory/1404-87-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-92-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-57-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-59-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-61-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-94-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-65-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-69-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-70-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-73-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-75-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-77-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-79-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-81-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-83-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-85-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-135-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-56-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-89-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-63-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-98-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-96-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-100-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-102-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-104-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-106-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-108-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-110-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-112-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-114-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-116-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-118-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-120-0x0000000000350000-0x000000000039E000-memory.dmp

Filesize
312KB

Download
memory/1404-126-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1816-54-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/1816-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download