23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 14:01

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General

Target

23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe
Size

115KB
MD5

0d9dec828d86140cc7afc42a03441a03
SHA1

807cbb570fd9edef60f24857d62e1e85dcdf5a78
SHA256

23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5
SHA512

f6b77939b7edbccc0e0ad2751db8a8db06baa4e2cc14c906a59ff32315a3433046d02afbd7ca1eba0a5837a3ea99cd13596f43243d67feb5a7bfedd8fbaed7b0
SSDEEP

1536:bvC7wgxmdtqOR/ilJdquibca6Lj97c1DV5crcXuBvBbZ1EsuCIdoObCYRwx8iDqh:bK7DOR/aJU6a6HO1WtBv5E9wObCAYhD

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2264-132-0x0000000000400000-0x000000000044B000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "341580598"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995258"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3E28CB10-5F2D-11ED-B696-7ED4F7B3352B} = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995258"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "341580598"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374653333"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "344705070"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30995258"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "344705070"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30995258"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe
5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe
5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe
Token: SeDebugPrivilege	5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe
Token: SeDebugPrivilege	4636	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4712	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4712	IEXPLORE.EXE
4712	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE
4636	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 2264 wrote to memory of 5028	2264	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	80
PID 5028 wrote to memory of 4752	5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	83
PID 5028 wrote to memory of 4752	5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	83
PID 5028 wrote to memory of 4752	5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	83
PID 4752 wrote to memory of 4712	4752	iexplore.exe	84
PID 4752 wrote to memory of 4712	4752	iexplore.exe	84
PID 4712 wrote to memory of 4636	4712	IEXPLORE.EXE	85
PID 4712 wrote to memory of 4636	4712	IEXPLORE.EXE	85
PID 4712 wrote to memory of 4636	4712	IEXPLORE.EXE	85
PID 5028 wrote to memory of 4636	5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	85
PID 5028 wrote to memory of 4636	5028	23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe	85

C:\Users\Admin\AppData\Local\Temp\23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe
"C:\Users\Admin\AppData\Local\Temp\23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe
  C:\Users\Admin\AppData\Local\Temp\23bf4fde837cafb04584c0697e56f0e81ef32c43d193ffbed8125a456c83f4c5.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5028
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4752
  - - 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:4712
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4712 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:4636

Network

MITRE ATT&CK Enterprise v6

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
5f49b65bdc1713b58ed97d0e9625a968

SHA1
84b74e55478c9abb163aa6629e3fd3b91bed4806

SHA256
a681ab9abc281fd12a7bd06f56e36a21e8ee28b5294815c5e07b781e324a32f9

SHA512
4b502288bef324db8ad33e63c7b6f242ef7954a6fbec3ed012530044c82fee3ad1158febe088bc0deea67ac35646a0a1bd6d961c0f67b11fee584e4f1abd753a

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

Filesize
434B

MD5
b9e1c3e1910fb98e39e2547c6f52ab5d

SHA1
e0f1708ba2ea5fbef39d79093a4672ea3fb12c50

SHA256
13627827963d70bbe36f54645bd64d1c5cb721e3d7588d795b45ee44bb4efd0f

SHA512
836a2b82809f9f53396533d335e02e51f74907deb03058654fa0e301e23d473f173d84b9627db9d7bbb00130f70c58b520f494c1b0f1ba7436a9616533eb81e4

Download Submit
memory/2264-132-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/5028-134-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5028-136-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5028-137-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5028-138-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5028-139-0x00000000026F0000-0x000000000273E000-memory.dmp

Filesize
312KB

Download