fe143d2a4e74094c076bd72bd144ee1cfb4764bb62545a252113bff470011123

Resubmissions

20-09-2024 09:52

240920-lv22ks1ark 10

20-09-2024 06:22

240920-g49qkasfjd 10

05-10-2022 16:33

221005-t2pntsfbcr 10

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 06:22

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General

Target

download.dat
Size

255KB
MD5

b891973576a20bd786cc5144152dd89b
SHA1

76e90bda364d331f592d3d318e645446d4a74cc6
SHA256

fe143d2a4e74094c076bd72bd144ee1cfb4764bb62545a252113bff470011123
SHA512

5e0068152615b2ad9ce5afd3a09013346c2aa27a38bfef505366aa5635729b1e21a2a6ffb238122347eed875fb5c4bc56aaadf3ea61f86e22ab3c544dd398f37
SSDEEP

6144:ROre8kPd0EQIp1s4/q3C1BIAFzm50xJKoQGX:RWIPd0ENbsEq3C1BHFq5CKoQ

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-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.dat	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\dat_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
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2728	2676	cmd.exe	32
PID 2676 wrote to memory of 2728	2676	cmd.exe	32
PID 2676 wrote to memory of 2728	2676	cmd.exe	32
PID 2728 wrote to memory of 2788	2728	rundll32.exe	33
PID 2728 wrote to memory of 2788	2728	rundll32.exe	33
PID 2728 wrote to memory of 2788	2728	rundll32.exe	33
PID 2728 wrote to memory of 2788	2728	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\download.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\download.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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\download.dat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2788

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
57cefc466ade27ccb40929167ed90640

SHA1
a3a0f1180da886d89f20640ea592e997e1ddde88

SHA256
5575bd2561df20eecf90aa1ef0e22dd39e00a7f0f7468d869f6439bc935f4f57

SHA512
909eec5072acb72bb7340dc5c2798c308d0529c405c05fd12ee05a1f17aa1df98c6c9376523ec6eb45025037f0a96f6498e7cf34df44b315a956510489623d4a

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