d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce

General

Target

d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe
Size

52KB
MD5

8b71cd888da67ae3eeae97480a29d2e9
SHA1

93a5c1e83b8a02ebc1f2f146e1e7716a78be310e
SHA256

d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce
SHA512

ea4cdb9ece8e1f3244b24ae63dac3fdcf93583e86d4e6c15d0634f0ac772e4f018f2587cd8782d11b9d6fa91fb03f2cafeb6ae5e012b8c52bd93734dd098162e
SSDEEP

768:aHyEBK+o6yMPqgRDMa6RwTdQXQ/6m/4Jk8gqCfFC:aHL1Rt20BCJkkUF

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

svchobst.exe

pid process

4764 svchobst.exe

pid	process
4764	svchobst.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchobst.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\svchobst.exe"	svchobst.exe

Drops file in Windows directory 2 IoCs

Processes:

d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe

description	ioc	process
File created	C:\Windows\svchobst.exe	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe
File opened for modification	C:\Windows\svchobst.exe	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchobst.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchobst.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchobst.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{70FCF6E1-6B20-11ED-89AC-5A10AEE59B4B} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1171534604"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998317"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375967253"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998317"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1180284114"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1171534604"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998317"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

3988 iexplore.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe

description pid process

Token: SeIncBasePriorityPrivilege 5000 d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3988 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3988 iexplore.exe
3988 iexplore.exe
980 IEXPLORE.EXE
980 IEXPLORE.EXE
980 IEXPLORE.EXE
980 IEXPLORE.EXE

pid	process
3988	iexplore.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	5000	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe

pid	process
3988	iexplore.exe

pid	process
3988	iexplore.exe
3988	iexplore.exe
980	IEXPLORE.EXE
980	IEXPLORE.EXE
980	IEXPLORE.EXE
980	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exesvchobst.exeiexplore.exe

description	pid	process	target process
PID 5000 wrote to memory of 4764	5000	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe	svchobst.exe
PID 5000 wrote to memory of 4764	5000	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe	svchobst.exe
PID 5000 wrote to memory of 4764	5000	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe	svchobst.exe
PID 5000 wrote to memory of 440	5000	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe	cmd.exe
PID 5000 wrote to memory of 440	5000	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe	cmd.exe
PID 5000 wrote to memory of 440	5000	d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe	cmd.exe
PID 4764 wrote to memory of 3988	4764	svchobst.exe	iexplore.exe
PID 4764 wrote to memory of 3988	4764	svchobst.exe	iexplore.exe
PID 3988 wrote to memory of 980	3988	iexplore.exe	IEXPLORE.EXE
PID 3988 wrote to memory of 980	3988	iexplore.exe	IEXPLORE.EXE
PID 3988 wrote to memory of 980	3988	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe
"C:\Users\Admin\AppData\Local\Temp\d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000

C:\Windows\svchobst.exe
"C:\Windows\svchobst.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4764

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" £¾½¸ýéê ±ï¡Þ×Ô’ÏÌ–Ò˜ÝÀÞÞ±°¯®¬«ª©¨§¦¥¤£¢¡ Ÿžœ›š™˜—–•”“’‘ŽŒ‹Š‰ˆ‡†…„ƒ‚€~}|{zyxwvutsrqponmlkjihgfedcba`_^
3⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3988

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3988 CREDAT:17410 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:980

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\D54797~1.EXE > nul
2⤵
PID:440

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
e32d02ce684c01ef3af05fae9066160e

SHA1
29c7a6e8ed553ac2765634265d1db041d6d422ec

SHA256
b00322d178a6cfc206458c26b26d6c80596073bb3283dcc3fc4e33a4b5f29d71

SHA512
e4e3175fb131095e4681ecb76d14dc74d059c0beafb6340965516c6d3d0538deb314b36a3f09df03b491edac84d5c0580e764fed1d8bca9abd4e65cb56167148

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
434B

MD5
f03c405b4000f830a6b31c529b02b29d

SHA1
887dd52e4b07d0ea6958324a17b1f41148a0443e

SHA256
d5ae1678609f155dbda4918d513f82439a84a658a3ed1a49832b660d008b27af

SHA512
86a2412249e1c138ff6e6046a4d942fccced0cb84b83cb71e97d839c78328ab6058a5958fc499e86782b306e4a49d7a5031cebfc96bb859eeefdab94f687474a

Download Submit
C:\Windows\svchobst.exe
Filesize
52KB

MD5
8b71cd888da67ae3eeae97480a29d2e9

SHA1
93a5c1e83b8a02ebc1f2f146e1e7716a78be310e

SHA256
d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce

SHA512
ea4cdb9ece8e1f3244b24ae63dac3fdcf93583e86d4e6c15d0634f0ac772e4f018f2587cd8782d11b9d6fa91fb03f2cafeb6ae5e012b8c52bd93734dd098162e

Download Submit
C:\Windows\svchobst.exe
Filesize
52KB

MD5
8b71cd888da67ae3eeae97480a29d2e9

SHA1
93a5c1e83b8a02ebc1f2f146e1e7716a78be310e

SHA256
d547974a82beeb6e0020d968fbe484a83a8aa5fc3ca6d452c8cd1315a78c37ce

SHA512
ea4cdb9ece8e1f3244b24ae63dac3fdcf93583e86d4e6c15d0634f0ac772e4f018f2587cd8782d11b9d6fa91fb03f2cafeb6ae5e012b8c52bd93734dd098162e

Download Submit
memory/440-134-0x0000000000000000-mapping.dmp

Download
memory/4764-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads