3f70da063d48c6a6921fee36436a7ca0078c499746c43c575d17476c7aeb19e3

Analysis

max time kernel
119s
max time network
131s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
19-05-2024 19:52

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General

Target

locales/af.pak
Size

425KB
MD5

d16ef573959cf5cf0a6eea20136b9c0b
SHA1

e3384ae3ee92e1dae47a48e45589372e940aab33
SHA256

73a8401e6dc17c4daf86b42c65b81359348f7e6b4d62d8637138e747bb3ff0ae
SHA512

064c2912f766f10ec042adf82709ac9582cb8430e3550690fc17343c380dcbabadc0084e08aa5f3eb6faf79a652d26e1fe2606625a180b7f47808df07a566933
SSDEEP

12288:yL0N/vpzXda2KCh2bM70i2Jyngy86BVCgIxHSt2lyV9V5t/te6AziApNi2:yL0FxzXda2LIbM70i2Jyngy86BVCgIxZ

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2652	AcroRd32.exe
2652	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2748	1312	cmd.exe	29
PID 1312 wrote to memory of 2748	1312	cmd.exe	29
PID 1312 wrote to memory of 2748	1312	cmd.exe	29
PID 2748 wrote to memory of 2652	2748	rundll32.exe	30
PID 2748 wrote to memory of 2652	2748	rundll32.exe	30
PID 2748 wrote to memory of 2652	2748	rundll32.exe	30
PID 2748 wrote to memory of 2652	2748	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:1312
- 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:2748
- - 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:2652

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
f67de49b9b2af3fc59322be68dae93a2

SHA1
47d5e3e6bc3b3e874be2f566ef3a2918a157cc42

SHA256
90aaa8abdbf4b2c0abc9d4ff3e65fe121f0b58b45a67fd576720c818d151a32e

SHA512
6604e862b5b143e55268d373b0a4406fe4daf46830d1d212291d711e5cd87e067bf55a131f5b13a4ea5665cd5783d326f10798f851b44053d9ca8558516d2482

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