e10e4e255af0ba3293aed0222096b70d627a0a8217f1d3d76c2d6813e3074144

Analysis

max time kernel
117s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 21:04

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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-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2556	AcroRd32.exe
2556	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2572	1736	cmd.exe	29
PID 1736 wrote to memory of 2572	1736	cmd.exe	29
PID 1736 wrote to memory of 2572	1736	cmd.exe	29
PID 2572 wrote to memory of 2556	2572	rundll32.exe	30
PID 2572 wrote to memory of 2556	2572	rundll32.exe	30
PID 2572 wrote to memory of 2556	2572	rundll32.exe	30
PID 2572 wrote to memory of 2556	2572	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:1736
- 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:2572
- - 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:2556

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
479f4fd07c9a2097a80485d8ff773aa3

SHA1
421039711a59a0a682aad0bcff0648191ad0e537

SHA256
85f4566f9929fb7e012a2378ff54ce1e80d15a78479c7a84796d1177daba5a48

SHA512
ac047153669cbffc25f54196e58b16a7e4242cf8779d1c915ffa36ae2f1b4eaeab711f2ab1a673a823daea4d3bca5a864d1391fe5e18739577d1c012ba233a50

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