2421a42eb5fb1dd545839d4ef72add5f3c0846beb3c7e187f336ddb7c7ac28dd

Analysis

max time kernel
102s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08/08/2024, 18:32

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General

Target

02.08.2022163.sh
Size

218KB
MD5

5aa5514d8bd9d3ad9226d3b9611b22df
SHA1

666cee97054524e4f43763958adff22e4d1b32c6
SHA256

2421a42eb5fb1dd545839d4ef72add5f3c0846beb3c7e187f336ddb7c7ac28dd
SHA512

f9ee15b91d6fadfad70af03220d234ef15ff040f374f1c9f8e5cecef53aa42c70797c3a8f3bb4c1a485c402f27ce9dc85b0d747125afde7e26ec060681903030
SSDEEP

3072:XMrRUotTzP/kvPyI1PQ9NgYp/uuhBMheFC/AnuLMjYPS:XMr7t/kisQJpdAhezpjGS

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-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_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-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sh_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2860	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2748	1752	cmd.exe	31
PID 1752 wrote to memory of 2748	1752	cmd.exe	31
PID 1752 wrote to memory of 2748	1752	cmd.exe	31
PID 2748 wrote to memory of 2860	2748	rundll32.exe	32
PID 2748 wrote to memory of 2860	2748	rundll32.exe	32
PID 2748 wrote to memory of 2860	2748	rundll32.exe	32
PID 2748 wrote to memory of 2860	2748	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\02.08.2022163.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\02.08.2022163.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2748
- - 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\02.08.2022163.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2860

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
c4bc793870cc5e1a19371b1e9a28d848

SHA1
c67450564f5d7e0de9734783178cbbb4440deeec

SHA256
c4414cb11d7b5f45ef97243e062fe39390ac39ea3225ae01787bf76a284f419a

SHA512
0891fcd8407064f4c0e726624a7277a34c90e84770aa5ab296668e340245c949c524fbccec4daabc843fa05ff623b3363d16823a3c0f39f308f1cbe506fb9980

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