7deac3639cd33a73997f4719c0193f26e9b8889f3acaae9a947c905b0c6d4968

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22/05/2024, 11:47

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General

Target

update.sh
Size

1KB
MD5

a6ae751bd5082e5e27d4b4e8bb36b43a
SHA1

93b508baf16e13b6c2e74fdf20faf44043dd872e
SHA256

7deac3639cd33a73997f4719c0193f26e9b8889f3acaae9a947c905b0c6d4968
SHA512

fdfe2fb99367dc7645e0aa3c5a9ba9246ce2c88dec83f25c58838cff7a081607f4a2d5aa3451c2f1e3d138f542bbfc424cf4508587395b75a6c10ea6831c4a2f

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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2944	2984	cmd.exe	29
PID 2984 wrote to memory of 2944	2984	cmd.exe	29
PID 2984 wrote to memory of 2944	2984	cmd.exe	29
PID 2944 wrote to memory of 2604	2944	rundll32.exe	30
PID 2944 wrote to memory of 2604	2944	rundll32.exe	30
PID 2944 wrote to memory of 2604	2944	rundll32.exe	30
PID 2944 wrote to memory of 2604	2944	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\update.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\update.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2944
- - 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\update.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2604

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
0c4d6c6eae522e2bc550047fa08ed560

SHA1
44398993c0c73b75ceb9212e5723ded66d835113

SHA256
5ea29d15b585150e70e1ca435dde2dff4bf1cd93f8cc6717ec5f295fde433c64

SHA512
e2a67a674b32c5a491409fdf78a5b5de4536e5d60b2470413b3dce470a27d2488aa8e17f33c325af762a550f4a62979e97a411e08be10251bf6a926ccf731d06

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