cadf46a831220226892a01dfcbfdb9944434c1ceb38a6aacebe43ceb0f4092d2

General

Target

755c94d423b1d2745b5327dad2ddfbfe.exe
Size

341KB
MD5

755c94d423b1d2745b5327dad2ddfbfe
SHA1

0b52929de9dafe0680a4403486eeb6f39085afb1
SHA256

cadf46a831220226892a01dfcbfdb9944434c1ceb38a6aacebe43ceb0f4092d2
SHA512

51c9dcc8ba18ddc65f19a5a0918cb78d01d63225a47eeee21630cfd7c65b75bfd93905051dea3376c92e3230f43b61c33289b4206915842041444949ec0e6853
SSDEEP

6144:MkT4ecNC7rGN3bkty0Mki8787O71rkhJSammcmZX:MXe17rGNrkty0fkhAlmv

Score

10^/10

aspackv2 persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "userinit.exe,C:\\Windows\\system32\\av-update.exe"	av-update.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{69F88EDA-5189-4C38-9BB2-2119F39C3C83}	av-update.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{69F88EDA-5189-4C38-9BB2-2119F39C3C83}\StubPath = "C:\\Windows\\system32\\av-update.exe"	av-update.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000a000000012262-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
760	av-update.exe

Loads dropped DLL 4 IoCs

pid	Process
2072	755c94d423b1d2745b5327dad2ddfbfe.exe
760	av-update.exe
760	av-update.exe
760	av-update.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe Updater = "C:\\Windows\\system32\\av-update.exe"	av-update.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe Updater = "C:\\Windows\\system32\\av-update.exe"	av-update.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\av-update.exe	755c94d423b1d2745b5327dad2ddfbfe.exe
File opened for modification	C:\Windows\SysWOW64\av-update.exe	755c94d423b1d2745b5327dad2ddfbfe.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	755c94d423b1d2745b5327dad2ddfbfe.exe
Token: SeDebugPrivilege	2072	755c94d423b1d2745b5327dad2ddfbfe.exe
Token: SeDebugPrivilege	760	av-update.exe
Token: SeDebugPrivilege	760	av-update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
760	av-update.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 760	2072	755c94d423b1d2745b5327dad2ddfbfe.exe	28
PID 2072 wrote to memory of 760	2072	755c94d423b1d2745b5327dad2ddfbfe.exe	28
PID 2072 wrote to memory of 760	2072	755c94d423b1d2745b5327dad2ddfbfe.exe	28
PID 2072 wrote to memory of 760	2072	755c94d423b1d2745b5327dad2ddfbfe.exe	28
PID 2072 wrote to memory of 760	2072	755c94d423b1d2745b5327dad2ddfbfe.exe	28
PID 2072 wrote to memory of 760	2072	755c94d423b1d2745b5327dad2ddfbfe.exe	28
PID 2072 wrote to memory of 760	2072	755c94d423b1d2745b5327dad2ddfbfe.exe	28

C:\Users\Admin\AppData\Local\Temp\755c94d423b1d2745b5327dad2ddfbfe.exe
"C:\Users\Admin\AppData\Local\Temp\755c94d423b1d2745b5327dad2ddfbfe.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\av-update.exe
  -r
  2⤵
  - Modifies WinLogon for persistence
  - Modifies Installed Components in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\av-update.exe

Filesize
341KB

MD5
755c94d423b1d2745b5327dad2ddfbfe

SHA1
0b52929de9dafe0680a4403486eeb6f39085afb1

SHA256
cadf46a831220226892a01dfcbfdb9944434c1ceb38a6aacebe43ceb0f4092d2

SHA512
51c9dcc8ba18ddc65f19a5a0918cb78d01d63225a47eeee21630cfd7c65b75bfd93905051dea3376c92e3230f43b61c33289b4206915842041444949ec0e6853

Download Submit
memory/760-18-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/760-13-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/760-11-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/760-14-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/760-16-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/760-17-0x0000000000230000-0x000000000029E000-memory.dmp

Filesize
440KB

Download
memory/760-19-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/760-20-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/760-25-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/2072-3-0x0000000000330000-0x000000000039E000-memory.dmp

Filesize
440KB

Download
memory/2072-7-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download
memory/2072-0-0x0000000030000000-0x000000003006E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads