56bacfb737076b0b10f9896ac124c2e8f83cb855f7b31ef5a95338b7529b3126

Analysis

max time kernel
122s
max time network
131s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 04:56

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General

Target

locales/af.pak
Size

321KB
MD5

3ab2fcf223a5fefe8a186741b3507e14
SHA1

9e851c09c08415a228fad02ba87a9caeb29e3b9b
SHA256

e6db19247e92d007323f9e0ee776c423a6a8a64ab321c9d5c964cf137e390a4d
SHA512

c1259f7953191b7c89694d826f4e45564d4c7b6be2aa7e85b73c5a6f723894b139ba62d215def008f45a95215fb3da7463e229c8ed014a6db4b03e64133891e9
SSDEEP

6144:KbzCIQTkrIWlr5J9e5D4oEa/kQjB6KAxborgjXgxzsB+xSk1yMx65tHwDwzl2i3s:004r5lr5Jfha8QjB6KAxborgjXgRVSkn

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_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-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2472	AcroRd32.exe
2472	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2608	2552	cmd.exe	29
PID 2552 wrote to memory of 2608	2552	cmd.exe	29
PID 2552 wrote to memory of 2608	2552	cmd.exe	29
PID 2608 wrote to memory of 2472	2608	rundll32.exe	30
PID 2608 wrote to memory of 2472	2608	rundll32.exe	30
PID 2608 wrote to memory of 2472	2608	rundll32.exe	30
PID 2608 wrote to memory of 2472	2608	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:2552
- 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:2608
- - 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:2472

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
07ecb00ffb1489990335c43fbdaf8917

SHA1
f095395df897bb548aea08672c965f5f1967d40c

SHA256
22c63913d4c48c23809e88a0858d7647ec2b986625b810d9885450d4caee2755

SHA512
7d49495e06b8e2dfec9b30047ec9b5a3b4d43c553b13f1790a8871d25d4a766a0eb5ca9536a45a60aaead824787b20e480bbb09cb58e58e9e774635d074a9ab6

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