2922d5a4f2de932813d21422303133e01b9ea0ead5714b58f075f6afaf960b80

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/01/2025, 18:04

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General

Target

start.sh
Size

238B
MD5

fb8b542cb42667070d7595962d57a40f
SHA1

0a353d32f08d6ec9acb0a0e8b5262fcea3df8bec
SHA256

a2dc63fd4081a38e93a91bc9cf8ff59ccb16a25482a2471e91b638a3910544d9
SHA512

45e31b4a5611c27fafe3e067dfc14d4229559641e22a557db70d09b4ae8742d756125118fcc9c43d5113bc373f48c6838c20bec10f7048c5f794bd42cfecf3de

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 1988	2516	cmd.exe	32
PID 2516 wrote to memory of 1988	2516	cmd.exe	32
PID 2516 wrote to memory of 1988	2516	cmd.exe	32
PID 1988 wrote to memory of 2760	1988	rundll32.exe	33
PID 1988 wrote to memory of 2760	1988	rundll32.exe	33
PID 1988 wrote to memory of 2760	1988	rundll32.exe	33
PID 1988 wrote to memory of 2760	1988	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\start.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\start.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1988
- - 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\start.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
7ee4186e229a5329f2219ee58d0a31d7

SHA1
1e49f9e1de47f655b20bb58772c387382502059d

SHA256
7b492e180765bbd3a6fb2b63f2195a296760196fe27a33d9cac556292d81f771

SHA512
36abee1427b1de9658089af52650cabb8e9f81cc8dc84a77c9726d6910ff7872c9cf37841e4c72d54c092b88f009380d49a12b21b5f04d21520cf1c3103c7c15

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