3d86b400635f5e0923ef1151cc730ade1f0381334f03ec1cecf87c54f03c585e

Analysis

max time kernel
103s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/08/2024, 19:06

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General

Target

02.08.202218.sh
Size

242KB
MD5

8ec6ddc750452f389a49543a9d66ba30
SHA1

59c15b4891277e9fda15f6e639cd9f4c320a87ae
SHA256

3d86b400635f5e0923ef1151cc730ade1f0381334f03ec1cecf87c54f03c585e
SHA512

72fa769fe34742a9a7d77c3374f6e7eaeb69177341e9101e922c9ac8a0749e3bad34b68d29c87ed378facd59bb93db7b03660e5c4772447ec23763ef813162ed
SSDEEP

6144:FOq40bpxC28497AjRhna1BbtZ+ZbarQJGkaQsmQBrL9h3i:4qtbjCeBURha1BbtZMOcgY

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2896	2488	cmd.exe	29
PID 2488 wrote to memory of 2896	2488	cmd.exe	29
PID 2488 wrote to memory of 2896	2488	cmd.exe	29
PID 2896 wrote to memory of 2740	2896	rundll32.exe	30
PID 2896 wrote to memory of 2740	2896	rundll32.exe	30
PID 2896 wrote to memory of 2740	2896	rundll32.exe	30
PID 2896 wrote to memory of 2740	2896	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\02.08.202218.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\02.08.202218.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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\02.08.202218.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

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

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Downloads

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

Filesize
3KB

MD5
b3b5393f33e7c7a5abb0ca996313047e

SHA1
ffb61b48372d6ce97a7bb5c25f25b24848bc25e8

SHA256
798a49f92a3f500f8e4a1f1b4448488c594a940b46faad04f82c8664f5bd48b3

SHA512
1180961e4e9e78c9e13fa86cbd3677cd2d3c0af96a4aa76bf8da01b712aa263bf2a495a9a03e859c47daeccfac062259efabb8772939d1f8531fefe6e906ab83

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