88e5ade2ec431b3a7398b1f81dfc4ed6119a9e95657c29a9d6646fb396f3761b

Resubmissions

29/06/2024, 22:21

240629-19544s1epm 7

29/06/2024, 22:13

240629-145amaxfjc 7

Analysis

max time kernel
122s
max time network
131s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 22:13

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General

Target

locales/am.pak
Size

727KB
MD5

3cfd7c5bb92ab72c63e003208a9e4529
SHA1

165d2f69ab6a6e237f0fec943b5577123cefea87
SHA256

12e9e1bec1c46e5ea706157726e17a4429acf288a5754fa183bd9b4cf7d3853b
SHA512

cd7c7837d758ea66abc871503cda6fe99ff45990405e60c1133e7c1f4cb29ee69723c9558bb2d3eccb42948da57351f4f095062616686ab2e255acd3c86236f0
SSDEEP

12288:LMlGLQXTZou76VIx2TERZ3ej5dMNzLY5S9ZSVrBO0Pcx30jH8+F:Lc9XTZsVIxJRZuj5dMNzLY5S9ZSVrBOg

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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2692	2068	cmd.exe	29
PID 2068 wrote to memory of 2692	2068	cmd.exe	29
PID 2068 wrote to memory of 2692	2068	cmd.exe	29
PID 2692 wrote to memory of 2708	2692	rundll32.exe	30
PID 2692 wrote to memory of 2708	2692	rundll32.exe	30
PID 2692 wrote to memory of 2708	2692	rundll32.exe	30
PID 2692 wrote to memory of 2708	2692	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:2068
- 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:2692
- - 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:2708

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
5d606448faca39fbf8774ba02f8679d1

SHA1
8a4d4c90a3188e0c42acbdca5edce09c8a3d62c8

SHA256
b71d090ee5b4dd8a07963ac247ad208d93ad118eaff01744b268b9f413d03113

SHA512
5069ed01323f104ca83eecd81e8bcca0cda3863b156b2f426c7977da39f6a26caf246e0a27a77de4cc30c05705a44e3e729fdbd50452ac9c2be701cd22c69048

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