eac0f3d162b8aa13eb8095fb3c871f6a787bc287f7afb9eb49993a3396c2a31f

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 11:15

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General

Target

locales/ar.pak
Size

624KB
MD5

fdbad4c84ac66ee78a5c8dd16d259c43
SHA1

3ce3cd751bb947b19d004bd6916b67e8db5017ac
SHA256

a62b848a002474a8ea37891e148cbaf4af09bdba7dafebdc0770c9a9651f7e3b
SHA512

376519c5c2e42d21acedb1ef47184691a2f286332451d5b8d6aac45713861f07c852fb93bd9470ff5ee017d6004aba097020580f1ba253a5295ac1851f281e13
SSDEEP

12288:K+sgtqIj5/XvYUtOkQIkqBJ5SNbW+eTtvZEMgSENjM:KD4Fek75z+K

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
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2684	1400	cmd.exe	29
PID 1400 wrote to memory of 2684	1400	cmd.exe	29
PID 1400 wrote to memory of 2684	1400	cmd.exe	29
PID 2684 wrote to memory of 2620	2684	rundll32.exe	30
PID 2684 wrote to memory of 2620	2684	rundll32.exe	30
PID 2684 wrote to memory of 2620	2684	rundll32.exe	30
PID 2684 wrote to memory of 2620	2684	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ar.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ar.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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\ar.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2620

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
02d9c893a16de7607d471fd80df5c8f0

SHA1
bcf1c15a914de139c7e3f99ec9da313c33d58cce

SHA256
a99381c13b57e0a171fb3e573aa001f5f78198c3c23b3de44f72db0f0cbb223b

SHA512
a084a1b79ee82111134b581bd1d0800fe6f73b0456b1684e1bd26eb555e410469fab4b2227e19939ca6ec1be060055d494473bfbc48b062cb6cdd60918b5bd66

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