3953661397d96baa773cf45497e1f8216046663172924fed0c8f0fc5b32bc18c

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 17:33

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General

Target

version.dat
Size

12.0MB
MD5

3a43bf84db7c06571f932b32c8e45d4c
SHA1

4d51d9385107ba98f0b3dafc12a5c8c4d3bd0846
SHA256

eb2d24b5c941c1a081076f2d31ece01d97f3d1ce5b3df22105a6a21b8a4932bd
SHA512

f72e8dffc2162d52f0bce05986418a61952cc567ac5f9b3f575b6dfe11832fc1f14e80f3cf68ba5313e70bfd7e5e1d6ce7c76eb9f7a85493c4031fdea09fe323
SSDEEP

393216:xMAnhGpSDbURuocn9bpbeWk8eSYkvEgvDtUySD7mVNbT1cUbPB5QBzBlFNBiRRi4:uu1cUbpqN7iRRx95qDS

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-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.dat	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\dat_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2912	2300	cmd.exe	32
PID 2300 wrote to memory of 2912	2300	cmd.exe	32
PID 2300 wrote to memory of 2912	2300	cmd.exe	32
PID 2912 wrote to memory of 2664	2912	rundll32.exe	33
PID 2912 wrote to memory of 2664	2912	rundll32.exe	33
PID 2912 wrote to memory of 2664	2912	rundll32.exe	33
PID 2912 wrote to memory of 2664	2912	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\version.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\version.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2912
- - 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\version.dat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2664

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
424d19a7c74b893212c6ef34a2405f7a

SHA1
7d799eef474733e2bd3a8c1e68504145f25180b0

SHA256
ea7a4cf1cd8393073dd07e4cca6b1d67bad73ff96197287c82814e9b38deed8c

SHA512
f9d6bb57242ad85ecf09b022b83d0b199803aa40ddfba35e9fd19e7b9978f45dfb5b5f58535ac0dff7c4e91013d6af0078473d635916299a114eb2bb9318ddac

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