05fcb9ebcd239eaae4f76527366ac2fdcdd4d6d27ec7fc5a2c59c752a1b4880c

Analysis

max time kernel
122s
max time network
141s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 22:10

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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
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2864	AcroRd32.exe
2864	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1148	2616	cmd.exe	29
PID 2616 wrote to memory of 1148	2616	cmd.exe	29
PID 2616 wrote to memory of 1148	2616	cmd.exe	29
PID 1148 wrote to memory of 2864	1148	rundll32.exe	32
PID 1148 wrote to memory of 2864	1148	rundll32.exe	32
PID 1148 wrote to memory of 2864	1148	rundll32.exe	32
PID 1148 wrote to memory of 2864	1148	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\af.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- 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:1148
- - 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:2864

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
9c391ab37955089e4c09f35a423363d1

SHA1
a177f43c287edb72cdf36727f5ef27402f47cad7

SHA256
fb3128c345e79eb55c0eb74d37deb9d3ab530e7e8914b4fab7f17ca667910e1b

SHA512
d049bbaa63c2d23c07f7ee70817f58a721615c85bdd056012632283ccf5fb01688cecca83b568df9856e830f1312e1a93d23f5cbf679cc0fe406913bfa17d293

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