3b530ace3209771f676e361ebc54dfc5d992d5069db93d416cd4b60745ccc400

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 13:15

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General

Target

Ejerkredsen/Lulledes/Filateliens31.don
Size

32KB
MD5

6fb59e59913aa4e8e262ecaea92a5912
SHA1

36443d1f834aad43a9510205a212e6dc91e54ac8
SHA256

995ee626fc426825115d09a13f22484a92cf5b05904d66f1754e2745d4644ad0
SHA512

dd135914f216d2cd56cbf551cdfada946e22127de6ad2e22c4f9bc9bcd108de0d7c98e5973b67a7c700b3c07c86dab793dbb0ebdd748ac09346a1f1e911bd9a8
SSDEEP

768:w87qjTuYvsf3fBooh3t37kn96z6D5eTr7Bn1zCGWjM8K:pcsf3fBoo9t37knYgeT3Z1zCpM1

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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\don_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\don_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.don	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\don_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\don_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\don_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\don_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.don\ = "don_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2952	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2952	AcroRd32.exe
2952	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2672	2784	cmd.exe	29
PID 2784 wrote to memory of 2672	2784	cmd.exe	29
PID 2784 wrote to memory of 2672	2784	cmd.exe	29
PID 2672 wrote to memory of 2952	2672	rundll32.exe	30
PID 2672 wrote to memory of 2952	2672	rundll32.exe	30
PID 2672 wrote to memory of 2952	2672	rundll32.exe	30
PID 2672 wrote to memory of 2952	2672	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Ejerkredsen\Lulledes\Filateliens31.don
1⤵
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Ejerkredsen\Lulledes\Filateliens31.don
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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\Ejerkredsen\Lulledes\Filateliens31.don"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2952

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
714f79ded4961386c6681b8e033e7b11

SHA1
de886838bab13324119585f7a876e1bea57f5aae

SHA256
f5ad1bc6aa73ef9fb2172564a86c4905ef9dc7d504be3787603ac6fc6e828c26

SHA512
a9b627a0ba170d17be6a5d71e0437817fef962c0bb8e910e80be9bc0a1f159b7137c010f4d318ccd796bffc111778f54fea313400aabf8b1653528606dc53138

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