aee487cfb44d63408f984764a1a3ffafbe6986db198a66d90c1ac97c389d95ff

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 09:00

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General

Target

sample.tar
Size

810.6MB
MD5

7fe98a6e5f0d17baeac7e42c3723d128
SHA1

27bb29e7b919df8f9f9e39a5048d262b7ea6c2c5
SHA256

3a1905a02d95a95fe9ffa32e967794f30cb67ffbf58f3157d2a900d0e939ec51
SHA512

957d6ce70f9a9167b38fa89fc73c004fd0a5b5475719338e071da5a74b2fa639a3c4ee006348b206747b96364952b987fbe2190fdf5911f2d5cbd03096a99320
SSDEEP

12288:Cti6NGb1oa6i42ez6fu1P+t8UTWibJEw5roaH6NqC:z1oY/21PITbOw5rZS

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2820	2672	cmd.exe	32
PID 2672 wrote to memory of 2820	2672	cmd.exe	32
PID 2672 wrote to memory of 2820	2672	cmd.exe	32
PID 2820 wrote to memory of 2540	2820	rundll32.exe	33
PID 2820 wrote to memory of 2540	2820	rundll32.exe	33
PID 2820 wrote to memory of 2540	2820	rundll32.exe	33
PID 2540 wrote to memory of 2736	2540	rundll32.exe	35
PID 2540 wrote to memory of 2736	2540	rundll32.exe	35
PID 2540 wrote to memory of 2736	2540	rundll32.exe	35
PID 2540 wrote to memory of 2736	2540	rundll32.exe	35

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sample.tar
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sample.tar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sample.tar
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - 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\sample.tar"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      PID:2736

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
ee680e5816fe8fb0be764b4b199e458f

SHA1
d4f1e9c64f5d8a58f1fee69cfaca5054f93a9fa2

SHA256
fd44948d4590fe37447ddbbe8d59030c7853d131d3d98cb8ace807c642789c67

SHA512
5fb1e1f98cf5e474cf95c539f5a19b4eb947f4ef42f0651c052805905455da2d1ce55f374ac431791e7d34d60df67cc9c6303393022c2848b232ef25e0be7dfc

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