eb39e3c3215ee01a3ed0148766b22b139d1cf42a3631b7c99144ae2d181bbb8c

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/08/2024, 02:09

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General

Target
2017.6.30/012.vir
Size 280KB
Sample240830-ck7dwascka
SHA256 2d051ae4aef03805c77bc5de3ae425ca66440cecda0826f5fcd6fac55c18adf3
MD5 76bc6a5abe9b68a208d1837c29cb1d5b
SHA1 65d0084a88f9cd5df41e8e943a14ad30ad14391e
SHA512 735d657dfc38f1f325f03375144e0a0425b2bd7fbe98688d37449891b27dd3aa52f5303d28363cad98a58f8441780a32b4ab767a9e1426bbc71ec8ee2f44482e
SSDEEP 3072:tou9YlI6eHSxu05uIf+fDM5iIY4c8OT2ihkJooAO+vLAOlya/7NbC4Ugah66:t9E3B/2ae4c8OqIecOSEOlyaDJY
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\vir_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\vir_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\vir_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\vir_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\vir_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\vir_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.vir	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.vir\ = "vir_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2016	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2016	AcroRd32.exe
2016	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2912	2604	cmd.exe	30
PID 2604 wrote to memory of 2912	2604	cmd.exe	30
PID 2604 wrote to memory of 2912	2604	cmd.exe	30
PID 2912 wrote to memory of 2016	2912	rundll32.exe	31
PID 2912 wrote to memory of 2016	2912	rundll32.exe	31
PID 2912 wrote to memory of 2016	2912	rundll32.exe	31
PID 2912 wrote to memory of 2016	2912	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\2017.6.30\012.vir
1⤵
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\2017.6.30\012.vir
  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\2017.6.30\012.vir"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2016

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 81b4c87d862280965a42d98f045bc3ee7b0885cfc02bb9b32b5370e5c606130b
MD5 9fed32452c51f22490a6354a807e8b8e
SHA1 2601b19bb032f123bd54ecb9c8b29948f9a50980
SHA512 dd5618b06342fcb76c439fa2030e157e82b6d95831e71376bdb65f432e775973f6e4bf7e66e3a7884e2c7cb42513dcdf2b8e62a77e4b55226a841df8df616be1
MD5 SHA1 SHA512

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