c0c017f18b0afe8d9fd84617fb87153ac2ffd01f93db2e9b13144f3e242277da

Analysis

max time kernel
121s
max time network
144s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 03:45

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General

Target
bg.tga
Size 702KB
Sample240601-ea5teagg6w
SHA256 769b2ce14f54b1cf582ee8b6772a36ae81660c5c7e6d4c63bb61ab355247814e
MD5 1349de07c0be89acc77b98cee82f4e8f
SHA1 13a2baee926bee3fe57577c826b3d4209fe926e3
SHA512 e956baf65817e7af1bd0885c849d40194195ebd5f671cc20970f88e7e51158d02c5844df1a36bd25bcc1529535c4fabe368965fec30c5d4cd08746adb977f0f9
SSDEEP 3072:vYJx3H7ZnchhhhhhhIhhhhhhhFhhhhhhhBhhhhhhhVhhhhhhhcpI:vYJx3H7ZnB
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\tga_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.tga	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\tga_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\tga_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\tga_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.tga\ = "tga_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\tga_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\tga_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2656	2408	cmd.exe	29
PID 2408 wrote to memory of 2656	2408	cmd.exe	29
PID 2408 wrote to memory of 2656	2408	cmd.exe	29
PID 2656 wrote to memory of 2600	2656	rundll32.exe	30
PID 2656 wrote to memory of 2600	2656	rundll32.exe	30
PID 2656 wrote to memory of 2600	2656	rundll32.exe	30
PID 2656 wrote to memory of 2600	2656	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bg.tga
1⤵
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bg.tga
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2656
- - 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\bg.tga"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 ab50934705216c176d82d47cd9934650de9f7f572932708cdd7015834ff83341
MD5 6f3e6fe6b734847102c66ae8d3b40b93
SHA1 c79d38438864491c503ddf662f5852dad8e1b267
SHA512 0eb1b39e739de260bf69149bc4df40739553f581daae32d870e9ab8037d05fe985f53653f4833a622a9e61195b1273065a6bf790caa2437ea8234f2ad218413d
MD5 SHA1 SHA512

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