b8001fa7feb004a014da2051b5059bc1ea25f5c0d9fed5add8b064614881a1b6

Analysis

max time kernel
142s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 19:37

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General

Target

7b19f0775f2d0614c20e7a00f2eec61b.exe
Size

27KB
MD5

7b19f0775f2d0614c20e7a00f2eec61b
SHA1

1998cb1c40978df979e41cedeed0d7e057fdfb20
SHA256

b8001fa7feb004a014da2051b5059bc1ea25f5c0d9fed5add8b064614881a1b6
SHA512

aa7437f12b3d70b537a1ec17de6737e24d98548139147b505507431b95d6751fbfa72179b2a14ab7d1268419fdbbc04a75fedeb8be72f0d2d8340df09d81b7d7
SSDEEP

384:AmmBX9UBSJWGe6cL1mlZg9hhiU4z6P1pU89/dNQCKCP4DCYAN+Hn:AmmBX9UBSEJmA9hhiUJzS4gDXk+H

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4960-0-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral2/memory/4960-3-0x0000000000400000-0x0000000000415000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ntnids32.exe	7b19f0775f2d0614c20e7a00f2eec61b.exe
File opened for modification	C:\Windows\SysWOW64\ntnids32.exe	7b19f0775f2d0614c20e7a00f2eec61b.exe
File created	C:\Windows\SysWOW64\ntnids32.dll	7b19f0775f2d0614c20e7a00f2eec61b.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A1B41BEB-BD4B-11EE-9A4E-76CF25FE979C} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084888"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1982905015"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084888"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413149278"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31084888"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1992437275"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1982905015"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4960	7b19f0775f2d0614c20e7a00f2eec61b.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1916	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
4960	7b19f0775f2d0614c20e7a00f2eec61b.exe
4960	7b19f0775f2d0614c20e7a00f2eec61b.exe
4960	7b19f0775f2d0614c20e7a00f2eec61b.exe
1916	IEXPLORE.EXE
1916	IEXPLORE.EXE
4800	IEXPLORE.EXE
4800	IEXPLORE.EXE
4800	IEXPLORE.EXE
4800	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1916	4960	7b19f0775f2d0614c20e7a00f2eec61b.exe	89
PID 4960 wrote to memory of 1916	4960	7b19f0775f2d0614c20e7a00f2eec61b.exe	89
PID 1916 wrote to memory of 4800	1916	IEXPLORE.EXE	90
PID 1916 wrote to memory of 4800	1916	IEXPLORE.EXE	90
PID 1916 wrote to memory of 4800	1916	IEXPLORE.EXE	90
PID 4960 wrote to memory of 1916	4960	7b19f0775f2d0614c20e7a00f2eec61b.exe	89
PID 4960 wrote to memory of 2008	4960	7b19f0775f2d0614c20e7a00f2eec61b.exe	91
PID 4960 wrote to memory of 2008	4960	7b19f0775f2d0614c20e7a00f2eec61b.exe	91
PID 4960 wrote to memory of 2008	4960	7b19f0775f2d0614c20e7a00f2eec61b.exe	91

C:\Users\Admin\AppData\Local\Temp\7b19f0775f2d0614c20e7a00f2eec61b.exe
"C:\Users\Admin\AppData\Local\Temp\7b19f0775f2d0614c20e7a00f2eec61b.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4960
- 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:1916
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1916 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4800
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\7B19F0~1.EXE > nul
  2⤵
  PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

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\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
55adff48fbcd7763c70a0d51d485d24f

SHA1
8ba66cb09d8e16d22c35931083d443155d3a04fa

SHA256
801c05af90120efdf31e4dfdcc5e7f2b76b9ca0e0746f58fdf12bf99287d8aca

SHA512
a3151d562469fd2412c237bb5646bb214a9a9f8664be4eb48fdf704d9710872e41947669f770ac74d9d1eb5d6ea5953e40cc5a85d57e56fc82708341154eee7b

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

Filesize
404B

MD5
2a7714ed33f11acfca3c33d29021e95d

SHA1
bb25200383c48df00e28322e6fae0aa8d0c0bc59

SHA256
ab24dc157ee8b74e3e200e926827f203840884b0c445c98ded7ef12a3621e87e

SHA512
d17ddc6d9919fd2a866e761079afdc6b9ce84de1ff0eefc69b74a78b6e5cc0f068d17818d8b11b4b1d634c3c4d26bdb471cb9b5a06211a9e855f9893dae689d5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6AXLYU2E\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4960-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4960-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download