eac0f3d162b8aa13eb8095fb3c871f6a787bc287f7afb9eb49993a3396c2a31f

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 11:15

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General

Target

locales/af.pak
Size

353KB
MD5

464e5eeaba5eff8bc93995ba2cb2d73f
SHA1

3b216e0c5246c874ad0ad7d3e1636384dad2255d
SHA256

0ad547bb1dc57907adeb02e1be3017cce78f6e60b8b39395fe0e8b62285797a1
SHA512

726d6c41a9dbf1f5f2eff5b503ab68d879b088b801832c13fba7eb853302b16118cacda4748a4144af0f396074449245a42b2fe240429b1afcb7197fa0cb6d41
SSDEEP

6144:j54QCpN9/WiHIR9a5D4+kQMGSB+jC6kAw1TUKKpg3b9xIsVxSt2y5qP3ux5tPwDV:F9CpN9OiHIRX+HMT+jC6kAw1TYpg3b9P

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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2468	AcroRd32.exe
2468	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2224	2276	cmd.exe	28
PID 2276 wrote to memory of 2224	2276	cmd.exe	28
PID 2276 wrote to memory of 2224	2276	cmd.exe	28
PID 2224 wrote to memory of 2468	2224	rundll32.exe	30
PID 2224 wrote to memory of 2468	2224	rundll32.exe	30
PID 2224 wrote to memory of 2468	2224	rundll32.exe	30
PID 2224 wrote to memory of 2468	2224	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\af.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\af.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2224
- - 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\locales\af.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2468

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

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Downloads

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

Filesize
3KB

MD5
fbd47bbc97a44681d55da2666d5a603f

SHA1
f171db8e1a1c434467c2bee9a393694d983185ed

SHA256
fc6afddbf3dc25257e6b5670e782cd5a70b4c9b717cd4664e36e8f9ed2d56a7f

SHA512
57e5b22eb7774f49a40c995c6e7ab81816d09cd566e86b9d1a2d74a618a92beb5c97e7531e9cb802357ebe5472b442c3c3c6741d48e64004c56829ce214eec74

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