80a2f9e557e81028d751037e5d27bb90cd7b822bc0e6a6e4201287074d8fec08

Analysis

max time kernel
117s
max time network
132s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-02-2024 20:04

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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-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_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
2704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2704	AcroRd32.exe
2704	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 844	2240	cmd.exe	29
PID 2240 wrote to memory of 844	2240	cmd.exe	29
PID 2240 wrote to memory of 844	2240	cmd.exe	29
PID 844 wrote to memory of 2704	844	rundll32.exe	30
PID 844 wrote to memory of 2704	844	rundll32.exe	30
PID 844 wrote to memory of 2704	844	rundll32.exe	30
PID 844 wrote to memory of 2704	844	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:2240
- 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:844
- - 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:2704

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
57693eb9c15aed6cc84f7b599ded6524

SHA1
6630f6899500e6c8b8ac744b700bc4a76dc623a9

SHA256
8823f7ee7b2ead93e8cc61cc040a8d55307a46d0ae39ae4fdd67bb989737a18f

SHA512
f18ab68c596336f7574f1f4c92cf579928e10e128247a10019d2a88e25d7d9367700f2e4dc6686121be40fb0f2e98f3a6de8fa1b5469a4b195fce47027f595a3

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