87e2f95b873020d7d15ece6f5d2a2be539415997413ff45a51b23d0cef197e4c

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02/05/2023, 00:37

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General

Target

SA_-_Widescreen_Fix.7z
Size

156KB
MD5

c05e2c9c48889eaf048fee2d80d8ab85
SHA1

c0e41aaa324c9a9f084f3dea084d74946ed35e5e
SHA256

87e2f95b873020d7d15ece6f5d2a2be539415997413ff45a51b23d0cef197e4c
SHA512

687e5056230364b56808a62a99007f878de989b49a337dbe7a3e238fe88ff83cd89d26f967d9bd79b960b7818708a9df1b6b4171fc7952e18789fdc6f046eb1f
SSDEEP

3072:NJfK6N4vLbkisUOkERi3B/wDvzzYUdd5BhqLQ/Ddv/Ks0j5PoFB:NJfTN4vLzOkEs32rzzYUn5yo6s88

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\7z_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.7z	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
988	AcroRd32.exe
988	AcroRd32.exe
988	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1112	1204	cmd.exe	29
PID 1204 wrote to memory of 1112	1204	cmd.exe	29
PID 1204 wrote to memory of 1112	1204	cmd.exe	29
PID 1112 wrote to memory of 988	1112	rundll32.exe	30
PID 1112 wrote to memory of 988	1112	rundll32.exe	30
PID 1112 wrote to memory of 988	1112	rundll32.exe	30
PID 1112 wrote to memory of 988	1112	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SA_-_Widescreen_Fix.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SA_-_Widescreen_Fix.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\SA_-_Widescreen_Fix.7z"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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