1b13fd63d40d4874e05c490cb94b4201777c093480ae1bd8ea4e41ae8402911e

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
09/10/2023, 22:08

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General

Target

oes_base_vertex.sh
Size

195B
MD5

a4fe1659ea7caeed44d32f82e379a67b
SHA1

da6deb02303d5aff1e1a4981466475c531abe5d4
SHA256

30ba15db78fc00416019424e985030c0f20dd6ec96effae08c0ca9ad25f1162a
SHA512

b9d19373f199c05d3c278d1c78cba105cd3a990dc8d9c754df86681077329489e85a47e94630530250bc3224b39c93034550f20e39996a5746d71392f5589f6c

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-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2812	2068	cmd.exe	29
PID 2068 wrote to memory of 2812	2068	cmd.exe	29
PID 2068 wrote to memory of 2812	2068	cmd.exe	29
PID 2812 wrote to memory of 2724	2812	rundll32.exe	30
PID 2812 wrote to memory of 2724	2812	rundll32.exe	30
PID 2812 wrote to memory of 2724	2812	rundll32.exe	30
PID 2812 wrote to memory of 2724	2812	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\oes_base_vertex.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\oes_base_vertex.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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\oes_base_vertex.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
66a97feab68996015a706f57c98c3229

SHA1
9bb415528dcde22c976d7901105ddfe7f0ec4af8

SHA256
e33abde06b931c5fd5e42b9894f44b42c9b42a0b4140854132685f8a7159763b

SHA512
853993e007c8442ea7fcd92ac66e31d486957c961078072a2803d6747d8062ea44039057393f659b64010d93648c9085ef52c2d75af3fff480867dd9f73eec95

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