eb8afbda006962da47bf99f5ecc2d73ae2d51f293965ae4ad637acbf55108645

Analysis

max time kernel
118s
max time network
129s
platform
windows7_x64
resource
win7-20240221-de
resource tags

arch:x64arch:x86image:win7-20240221-delocale:de-deos:windows7-x64systemwindows
submitted
13/06/2024, 10:49

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General

Target

locales/vi.pak
Size

439KB
MD5

065179c466c5b7457e249f11d152b99f
SHA1

cfc05e9dfb91b2af2944aed4718fa05b43844914
SHA256

b75694e390bd2e20780b3bc72f6e1473ba45d7537c27642a7d888dfd3bb6c3bb
SHA512

fb598391a028b7d3c7e25cae21ccfde655e6f871e498767a54f7cf0d5d4e48207213cd2598ca88e4f46c303cd2d8175238a5a5b720ab37beec1873d681165a8d
SSDEEP

12288:liWu4Bnzm058lwSwS2J6RlV5qhWziZ+UHNJziVyYH:liWxBnzm05kwSr2SX5uEiZ+UtliVyYH

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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2680	2072	cmd.exe	29
PID 2072 wrote to memory of 2680	2072	cmd.exe	29
PID 2072 wrote to memory of 2680	2072	cmd.exe	29
PID 2680 wrote to memory of 2748	2680	rundll32.exe	30
PID 2680 wrote to memory of 2748	2680	rundll32.exe	30
PID 2680 wrote to memory of 2748	2680	rundll32.exe	30
PID 2680 wrote to memory of 2748	2680	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\vi.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\vi.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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\vi.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2748

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
b49a45e98d2f55288e9196bf795d37e6

SHA1
ed7550a45ac9162dec6bfdbf19bcc2e8cf475c5a

SHA256
cdf162f5f6de80a97b3e637e6c6d7bb5c6974118355a4298d7a442a8ca2bad9f

SHA512
972b05525a4abd36143654d23802e5ff405eaa53455197817f83daa56c3c3386a213f8286c30fe6a1eca96c5d4a916ac41d65feb0095d31134dd1af10771d4d5

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