56bacfb737076b0b10f9896ac124c2e8f83cb855f7b31ef5a95338b7529b3126

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 04:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

locales/am.pak
Size

519KB
MD5

1ef5cb04c40f553fad6dd74295ff4588
SHA1

9065653dc4ec508b657fb86f45a69114d1ab4be1
SHA256

9aa0bee97cd6957d3fa1dc43e3bc45b7fc4f55df6df9a33faa7aeaf6e2c46a71
SHA512

fe766d0841a1a247442e85b5e4890fd3f83c76686e61c2243ed93a373d7c4b9a79558200583e58fb17cfa64efe053d61c582d83beb078a62ef232376e4741ead
SSDEEP

12288:NYnfumzy8xVxKaPYw5Q90nFuTbQYx30jH8+Y:G3y8xVxKsYw5Q90nibQ0

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3048	AcroRd32.exe
3048	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2276	2164	cmd.exe	29
PID 2164 wrote to memory of 2276	2164	cmd.exe	29
PID 2164 wrote to memory of 2276	2164	cmd.exe	29
PID 2276 wrote to memory of 3048	2276	rundll32.exe	30
PID 2276 wrote to memory of 3048	2276	rundll32.exe	30
PID 2276 wrote to memory of 3048	2276	rundll32.exe	30
PID 2276 wrote to memory of 3048	2276	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\am.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2276
- - 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\am.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3048

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
fce5bcdb0e65b5285c039caa043bb6fc

SHA1
3b1dfcc5c56c87d718fb5b56e468004d3f00deb4

SHA256
c95d48552f90a7fd3dabd60c70a1746823eb475f0bd3a8662bcdca7b6014adec

SHA512
ee4774668239a9ddea3a3a4507065fc9668d1790e7527620093de00a937d4d6496dda9a1a82669dd934b17cf5c8de72749622cf4cf84ce5ccd6ee23ee9243293

Download Submit