eb39e3c3215ee01a3ed0148766b22b139d1cf42a3631b7c99144ae2d181bbb8c

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
30/08/2024, 02:09

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General

Target
2017.6.30/003.vir
Size 635KB
Sample240830-ck7dwascka
SHA256 f259d1b9aab8e7afe82e316e140112de4d706c721a53581326ddd108896a4094
MD5 4fb20fb692d86b447844054745d373c3
SHA1 075de51a1abc4da355d4ea88c6b32d3082608f2d
SHA512 2f82efba12b356fc3c4e2ef7323bd4e9aba81386bec4580625ab53a934eb53cf77a087239032f889a203555b1720bbeab7d297bcc81155d45682224181d7a60d
SSDEEP 3072:AGhyhsLS0kFMSnTbhJk7hxGP9SRSSp4OR5bFP73NiVMC:AGhyh8SnTIhQO95xPkVMC
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-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\vir_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.vir	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\vir_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_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-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\vir_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.vir\ = "vir_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\vir_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\vir_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2744	2648	cmd.exe	31
PID 2648 wrote to memory of 2744	2648	cmd.exe	31
PID 2648 wrote to memory of 2744	2648	cmd.exe	31
PID 2744 wrote to memory of 2836	2744	rundll32.exe	32
PID 2744 wrote to memory of 2836	2744	rundll32.exe	32
PID 2744 wrote to memory of 2836	2744	rundll32.exe	32
PID 2744 wrote to memory of 2836	2744	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\2017.6.30\003.vir
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- 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\003.vir
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2744
- - 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\003.vir"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2836

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 f2828d218b5bd67b1e5a50b1313289b69e941ddd646ef058a03170b59ff63667
MD5 21b10ad195a67d7c47446ae9c08542f3
SHA1 9f40cc04858b8c73b8dfd5ea2a57c6daf2f2155e
SHA512 e2206dd6b02b9ddc5222f4d32b8e2db02180955f35ae59298f714cf87794a289cff9d4b9f6fccbe62cdcb327bfad0e29cb8478034553f74793d0bc54d156a3d7
MD5 SHA1 SHA512

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