71d55286d6ff61f51b9a5ffb0eaf05dfaf996dd544df0655ee333f47630e3a9b

Analysis

max time kernel
118s
max time network
133s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 04:29

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General

Target

locales/af.pak
Size

125KB
MD5

46f982ccd1b8a98de5f4f9f1e8f19fe5
SHA1

13165653f2336037d4fb42a05a90251d2a4bc5cf
SHA256

9e0aeb9d58fecc27d43e39c8c433c444b2ce773cc5d510fc676e0ebbcab4bddf
SHA512

2c40e344194df1ca2d2e88dba0cb6c7ef308dd9c83e10bbc45286b5e3bc1d98a424a60ec28b2700606916105968984809321505765078d7caddbb1c4d3f519de
SSDEEP

3072:Q4R1VbSVwDwaPwT6HUrLOd+QeeSsL0J6tuBMWoXO3I9GLfXEAbZt1ScE:rR19SVwDwa3qLOds80KO3q

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\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pak	rundll32.exe
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
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\pak_auto_file	rundll32.exe
Set value (str)	\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\ = "pak_auto_file"	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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2456	AcroRd32.exe
2456	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2608	2072	cmd.exe	29
PID 2072 wrote to memory of 2608	2072	cmd.exe	29
PID 2072 wrote to memory of 2608	2072	cmd.exe	29
PID 2608 wrote to memory of 2456	2608	rundll32.exe	30
PID 2608 wrote to memory of 2456	2608	rundll32.exe	30
PID 2608 wrote to memory of 2456	2608	rundll32.exe	30
PID 2608 wrote to memory of 2456	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: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\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:2456

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
283b76f812fce052e80701238aa8d9b7

SHA1
c9a294670886e7553faa0de28a12742384c5254c

SHA256
f7b7484c3b579a22255001458c567e6d1b3d9a44b29286f1752c50a5a8a3a608

SHA512
6c29cfb61ce6ae27525ce0fc4e163c02332d1f4b2401a095e3693c0956971ec648c8bac700b5bb76813256fdec8dc63bac85202e0e2f3d10c5beb7ffea86aadb

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