fe9ef92c748a292553f5a2b93fae0154750581642ececf5671ea68013ee51066

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 16:15

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General

Target

Setup/locales/en-GB.pak
Size

299KB
MD5

05ac84aa6987eb1f55021b6fba56d364
SHA1

58cb66bba3af0c6cc742488ccc342d33fc118660
SHA256

e1e357c853eed83fb6c4133f8f4df377a8eda4fe6f0e55395f21c5ab6e38faa8
SHA512

c615e1eb01412c5e2c0402242d442a6cf08965318d1c0d261ca5bc6df9acba5efa2c87ade20e1e4740d2239ea56d1ce4d3fc7a4c3eabe81b876ecb364b3e91b6
SSDEEP

6144:WJeP/KOb6vG8GGvDJAgdMP9ectcaAfaYEnG2J05SSvqo:1COb6ugdMrcarnGf5SSio

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-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_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-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2876	AcroRd32.exe
2876	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2884	2096	cmd.exe	29
PID 2096 wrote to memory of 2884	2096	cmd.exe	29
PID 2096 wrote to memory of 2884	2096	cmd.exe	29
PID 2884 wrote to memory of 2876	2884	rundll32.exe	30
PID 2884 wrote to memory of 2876	2884	rundll32.exe	30
PID 2884 wrote to memory of 2876	2884	rundll32.exe	30
PID 2884 wrote to memory of 2876	2884	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Setup\locales\en-GB.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Setup\locales\en-GB.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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\Setup\locales\en-GB.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2876

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
e8aefb5618f4fbe122f94e4f76ad949c

SHA1
98a2e6dd378518e193b2bb39bfbb2b6e59da0272

SHA256
7ed18c1e24dab70a10d671ae42449118355fb773690dd71ef39a7fcec8a22eae

SHA512
f382977f1f4a9a2a12c3068222229981b98144f7efcbac2b296e172eb636b8444c844551009824b2adef83dc40e5ff1fa56458880fcb38d108b6fc713703dfec

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