b8f925e583f322b25392ce1adb1387982f3263ea03e7b4ad82b707a5f11bab58

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 09:09

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General

Target

Forskelsstempledes/primaterne.bal
Size

210KB
MD5

4dfbb2735095e469334f2bb752c97b92
SHA1

2aa2b420850beb79d50473f48bbc73c529d116ed
SHA256

c390ab2776a0e32c28be6343032abafa8ebded9be4fb718c4dbf10cc6c490322
SHA512

7c56514a242ec54fb5adb96d4085601426b38b9131e63ab866e21e9e9df16bca855ae317a17fc8df064854f47fd2e8d343c25f9c3adf3923844a96b4d957eaca
SSDEEP

768:jVwgfuB4aFRsNFBhpNBReXfqXR6B4ScaMrFXE1vMrLt+NCXrdM+R33TG2zEfGKg2:j9/LZxXIiYD0xC

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-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bal_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bal_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.bal	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bal_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bal_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.bal\ = "bal_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bal_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bal_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2872	AcroRd32.exe
2872	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2556	1728	cmd.exe	31
PID 1728 wrote to memory of 2556	1728	cmd.exe	31
PID 1728 wrote to memory of 2556	1728	cmd.exe	31
PID 2556 wrote to memory of 2872	2556	rundll32.exe	33
PID 2556 wrote to memory of 2872	2556	rundll32.exe	33
PID 2556 wrote to memory of 2872	2556	rundll32.exe	33
PID 2556 wrote to memory of 2872	2556	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Forskelsstempledes\primaterne.bal
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Forskelsstempledes\primaterne.bal
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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\Forskelsstempledes\primaterne.bal"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2872

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
08e6a98b7acbffb4a248cb5d52968d2b

SHA1
a75d504b3bc4dc0e2189d0f644d6e0f544bb5d62

SHA256
5000430a3f69bf531e08cde224cff39ee6f56647ae2892138586f834ca2db597

SHA512
6f922b8d9831c29c7943a14d761a1e659d20623800a9d6f0e3606af13d107fb4d63c4dde7ae2bb6077fe431d068c7e00c7d26ab15c81cfe5a2cc0ae3a98db8cf

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