6eef2393b685423ac602107cb18afda938f5d8f769921403cd6e99ec125e4ee9

Analysis

max time kernel
175s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 03:46

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General

Target

6eef2393b685423ac602107cb18afda938f5d8f769921403cd6e99ec125e4ee9.dll
Size

236KB
MD5

f656ad6fa2e4d14360f2c3da120b3d40
SHA1

102cf8ebc6f372ee9c30798befb7696cbade12c5
SHA256

6eef2393b685423ac602107cb18afda938f5d8f769921403cd6e99ec125e4ee9
SHA512

276fb5b909bcedb72960484b1a090f760d9c887313d448db1e7f5f928d90a2f34e0c02eadda222b60c7a93985f06e3e5793d35ec4128edda852b0b501cc0118e
SSDEEP

3072:SeqmgHwlaazN9U3J+P0wFp+bLrt2wkkIh:+Qj9U3jwO3rt5u

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\tvgst = "{9fec9201-1764-6cb9-2875-17641a897c86}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4528	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\gitfg.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\gitfg.dll	rundll32.exe
File created	C:\Windows\SysWOW64\oqbno.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\oqbno.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9fec9201-1764-6cb9-2875-17641a897c86}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9fec9201-1764-6cb9-2875-17641a897c86}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9fec9201-1764-6cb9-2875-17641a897c86}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9fec9201-1764-6cb9-2875-17641a897c86}\InprocServer32\ = "C:\\Windows\\SysWow64\\oqbno.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9fec9201-1764-6cb9-2875-17641a897c86}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4528	rundll32.exe
4528	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4528	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4528	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 4528	4632	rundll32.exe	81
PID 4632 wrote to memory of 4528	4632	rundll32.exe	81
PID 4632 wrote to memory of 4528	4632	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6eef2393b685423ac602107cb18afda938f5d8f769921403cd6e99ec125e4ee9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6eef2393b685423ac602107cb18afda938f5d8f769921403cd6e99ec125e4ee9.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4528

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\gitfg.dll

Filesize
478KB

MD5
e99416267b61f52fa5ab994019efd359

SHA1
86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

SHA256
768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

SHA512
0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

Download Submit
memory/4528-134-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4528-135-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download