c604f076eccd12399592a23f3f7f3bcbf6963937f356be19767ea92c9bcc3de8

Analysis

max time kernel
114s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 22:53

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General

Target

063159b0fdc7f018ef67d9fce5a474d1.exe
Size

39KB
MD5

063159b0fdc7f018ef67d9fce5a474d1
SHA1

52e768e6f7e1158ea9048c27ffb9c7c3f4288cdc
SHA256

c604f076eccd12399592a23f3f7f3bcbf6963937f356be19767ea92c9bcc3de8
SHA512

d8cc3e286840f81ff2ff49276355ce9d4aea38f32a532e5a961af8dd2a8a640b2af8963cf58e8ec7612651f124dd7e9d8c863f55d5e1b04cece0068f2f3844eb
SSDEEP

768:AFQ6iz8orPRcO3qlZ9MT1Xl9eGn8qSKdNFz9A8i9lo0o/qeU:cLixbqlHM5XHeR8NzA8Iq00

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	063159b0fdc7f018ef67d9fce5a474d1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\dlncjjcdfc = "C:\\Windows\\system\\jjxzwzjy081230.exe"	063159b0fdc7f018ef67d9fce5a474d1.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system\jjxzwzjy081230.exe	063159b0fdc7f018ef67d9fce5a474d1.exe
File opened for modification	C:\Windows\system\jjxzwzjy081230.exe	063159b0fdc7f018ef67d9fce5a474d1.exe
File opened for modification	C:\Windows\system\jjxzjcj32dla.dll	063159b0fdc7f018ef67d9fce5a474d1.exe
File created	C:\Windows\system\jjxzjcj32dla.dll	063159b0fdc7f018ef67d9fce5a474d1.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3358944250"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079194"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "no"	063159b0fdc7f018ef67d9fce5a474d1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079194"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079194"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410703860"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3356131328"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F35BD050-A70D-11EE-A0B6-56EE10B1B424} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3356131328"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe
4412	063159b0fdc7f018ef67d9fce5a474d1.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4412	063159b0fdc7f018ef67d9fce5a474d1.exe
Token: SeDebugPrivilege	4412	063159b0fdc7f018ef67d9fce5a474d1.exe
Token: SeDebugPrivilege	4412	063159b0fdc7f018ef67d9fce5a474d1.exe
Token: SeDebugPrivilege	4412	063159b0fdc7f018ef67d9fce5a474d1.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4084	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4084	iexplore.exe
4084	iexplore.exe
3012	IEXPLORE.EXE
3012	IEXPLORE.EXE
3012	IEXPLORE.EXE
3012	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 4084	4412	063159b0fdc7f018ef67d9fce5a474d1.exe	93
PID 4412 wrote to memory of 4084	4412	063159b0fdc7f018ef67d9fce5a474d1.exe	93
PID 4084 wrote to memory of 3012	4084	iexplore.exe	94
PID 4084 wrote to memory of 3012	4084	iexplore.exe	94
PID 4084 wrote to memory of 3012	4084	iexplore.exe	94
PID 4412 wrote to memory of 4084	4412	063159b0fdc7f018ef67d9fce5a474d1.exe	93
PID 4412 wrote to memory of 2044	4412	063159b0fdc7f018ef67d9fce5a474d1.exe	95
PID 4412 wrote to memory of 2044	4412	063159b0fdc7f018ef67d9fce5a474d1.exe	95
PID 4412 wrote to memory of 2044	4412	063159b0fdc7f018ef67d9fce5a474d1.exe	95

C:\Users\Admin\AppData\Local\Temp\063159b0fdc7f018ef67d9fce5a474d1.exe
"C:\Users\Admin\AppData\Local\Temp\063159b0fdc7f018ef67d9fce5a474d1.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4412
- 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:4084
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4084 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3012
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\063159b0fdc7f018ef67d9fce5a474d1.exe"
  2⤵
  PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\jjjydf16.ini

Filesize
88B

MD5
1939c3e3d8975b9d4b705948d50d9ba5

SHA1
f9598630a96faa4391fc010d4a3f95ba617d22d2

SHA256
e43dc2db30b54d01f5102b1c42e1b984a27e5c2cec13860928193802b945a1ab

SHA512
41bb5bd64daa574e67573e89fe67e3af6f99653bc5f3b14d82075fb9a59e7be33581e42ae3f3b418dbf644d0d8d8564c3ea563b201a33c49594bc49237be31f5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\R977VUU4\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4412-0-0x0000000000130000-0x0000000000161000-memory.dmp

Filesize
196KB

Download
memory/4412-12-0x0000000000130000-0x0000000000161000-memory.dmp

Filesize
196KB

Download