4887920ef09966bfd09a3930b12912f64c22d52eb9c11f228581de1aab9e5dae

Resubmissions

07/07/2024, 11:29

240707-nlxrlstcmd10

07/07/2024, 11:29

240707-nlmlms1cjq3

Analysis

max time kernel
117s
max time network
124s
platform
windows7_x64
resource
win7-20240705-de
resource tags

arch:x64arch:x86image:win7-20240705-delocale:de-deos:windows7-x64systemwindows
submitted
07/07/2024, 11:29

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General

Target
resources.pak
Size 9.1MB
Sample240707-nlxrlstcmd
SHA256 43a70ef718619fa77560983e1ad246ac1133042fb2fc6675a3eaf71de12266b4
MD5 a3248235d9a5c412eaff789fc318367c
SHA1 46265bfd6ccf55370064307ad4e3df8770a1e410
SHA512 f3308c31a591301784d2a24e9b3a9e8d64189dfb279851c23b44a478b8a450ae0a9ea15c756b489235dcf1a0322060bae9b6a95d0ce82309e60d24232f7e3da0
SSDEEP 196608:xEIeZpyF1gBGOXxIuMwGDK7Skr6/2oj2snmm4bdr2aN:leZp+MBIup97SkrU2AB4Jh
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_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-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2596	AcroRd32.exe
2596	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2908	2788	cmd.exe	31
PID 2788 wrote to memory of 2908	2788	cmd.exe	31
PID 2788 wrote to memory of 2908	2788	cmd.exe	31
PID 2908 wrote to memory of 2596	2908	rundll32.exe	32
PID 2908 wrote to memory of 2596	2908	rundll32.exe	32
PID 2908 wrote to memory of 2596	2908	rundll32.exe	32
PID 2908 wrote to memory of 2596	2908	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\resources.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\resources.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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\resources.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2596

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 7a60dea23cfde203afea12aa75980a14442facf504f7910362d73355e3411593
MD5 a9e5692ba24730e6816b28f81079784c
SHA1 00e9796c9b2181910cb249358d9f949326e5379f
SHA512 edc7d18f5bba91d3523dbde1e2c401946cec6b716c26bfa2b5f13a6001aa5327de05a2ea0884e8b33abd468f8c114348e24f0c57c6a92ede603fd0a54f469408
MD5 SHA1 SHA512

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