e10e4e255af0ba3293aed0222096b70d627a0a8217f1d3d76c2d6813e3074144

Analysis

max time kernel
117s
max time network
133s
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/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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2588	AcroRd32.exe
2588	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2900	2052	cmd.exe	29
PID 2052 wrote to memory of 2900	2052	cmd.exe	29
PID 2052 wrote to memory of 2900	2052	cmd.exe	29
PID 2900 wrote to memory of 2588	2900	rundll32.exe	30
PID 2900 wrote to memory of 2588	2900	rundll32.exe	30
PID 2900 wrote to memory of 2588	2900	rundll32.exe	30
PID 2900 wrote to memory of 2588	2900	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:2052
- 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:2900
- - 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:2588

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
15942a48cca07f626341a5e1ed360724

SHA1
6c7d5e5e837939be32f406f90d3618cb5d8a152b

SHA256
80fef82b0077fe7428c493dc44f96e9967e3548722c25b4e9b969a31420663a1

SHA512
7d27b6657233daf5f726f539645d86a9e064c7dd3fd2d9d6fc38af3d2acbe65451b97a8eab40c1727736cd77d4256b5a8c65fb22d968c0b52c3a8102f9d9d828

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