30091faafd62ea7ba9868db2ee575dab98fd126a78d39590f57ea7b38b20d966

Resubmissions

21-09-2024 02:25

240921-cwhvna1bmc 10

20-09-2024 21:59

240920-1wjzqa1amp 10

Analysis

max time kernel
361s
max time network
367s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 02:25

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General

Target

locales/am.pak
Size

776KB
MD5

92ffe73f193d41c5a90303955b2da67f
SHA1

1d4136d8bb752da2834ebf0f4f62de56efefd78f
SHA256

325dd137903fc0d9e5010a62a314d9c6984ff82afbdff2254f7c48bd03dda06a
SHA512

6c4f0aac10276ab84ec4e63ec9ad0e20a1b3ce9d2368ec966cc6471600c3d28df8f9e501b4843bafa5bcf2aab57242559ba430d58853180ea653afbc8f468e67
SSDEEP

24576:/Ky3ATZg8/xp1GCj+VRRz08519tcV03OzPkS:yy3J54

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-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1752	AcroRd32.exe
1752	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2908	2812	cmd.exe	31
PID 2812 wrote to memory of 2908	2812	cmd.exe	31
PID 2812 wrote to memory of 2908	2812	cmd.exe	31
PID 2908 wrote to memory of 1752	2908	rundll32.exe	32
PID 2908 wrote to memory of 1752	2908	rundll32.exe	32
PID 2908 wrote to memory of 1752	2908	rundll32.exe	32
PID 2908 wrote to memory of 1752	2908	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\am.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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\locales\am.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1752

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
5b2b78cea95f6e79f27bf32fbb0818f5

SHA1
cd5d8053046d7e9ccd5dd746feb67ba9193944f9

SHA256
26e43fbc62c42c8ebe57708cffb255fc518bcf4e0f4f935e5cad6168117ca342

SHA512
1076044bff02aa9a3e012ae4798901b3afc388218fae966bca421cb4c07f75fea399a4d7c233d664715c1e5b28c37ee719f18fe208cc7c6714c69b277b829b99

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