b8f925e583f322b25392ce1adb1387982f3263ea03e7b4ad82b707a5f11bab58

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 09:09

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General

Target

$PROGRAMFILES/staalarbejders/Evalueringsrutines.fol
Size

420KB
MD5

2fbcd583334544f0dccd7fc03a2ae5f1
SHA1

2c9d12078bcc5a6c9ccfcaafa5965479dc7004d1
SHA256

b9dcbe5fc57990181fbdef92cfdced9cab5b4f31dbf52baa46118d0328518ee4
SHA512

65547391709858eacee7c0bf542bf31f3680eb0aa0c67dfe7fb59e01b1d2be2be5c3adc81611107e039101c02d266bc986d407d2b4fc8d172dabe00b3361a1a1
SSDEEP

1536:MTZegg2cDdDNNkJkl+bM4fKHqYcAl4MFhqSe:0f+qHAldY

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\fol_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\.fol\ = "fol_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\fol_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\fol_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\fol_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\.fol	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\fol_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\fol_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
2624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2624	AcroRd32.exe
2624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2840	2788	cmd.exe	31
PID 2788 wrote to memory of 2840	2788	cmd.exe	31
PID 2788 wrote to memory of 2840	2788	cmd.exe	31
PID 2840 wrote to memory of 2624	2840	rundll32.exe	32
PID 2840 wrote to memory of 2624	2840	rundll32.exe	32
PID 2840 wrote to memory of 2624	2840	rundll32.exe	32
PID 2840 wrote to memory of 2624	2840	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\staalarbejders\Evalueringsrutines.fol
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\$PROGRAMFILES\staalarbejders\Evalueringsrutines.fol
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2840
- - 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\$PROGRAMFILES\staalarbejders\Evalueringsrutines.fol"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
38b1a267e0e72b096b3089b7dbe084f6

SHA1
1fe5b07f92a0006d24f02a77a3f0162d590bbcc6

SHA256
0c805c380aa2f7017f9c9dc9359978a6d152149e564d10ed8863bc79e9d3f31e

SHA512
09f718fcb89dd49e291feb076c0afed93b219f0b1cd1c7c171a5666d5362812fa30f4424e0e3ac5c556550f0a7cab9005c65b9eafc3b0edaa93723241ff2ec53

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