7286fcbf81023ecf75eaaf308a35f87d4a4d51ff73df6913c540bd32a20db7ab

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 21:43

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General

Target

tools/ak3-core.sh
Size

33KB
MD5

be2c5b2dcd28a976558199ebba4a949d
SHA1

774baecf91987fa9ab648861e628a92594e65516
SHA256

7c2ff4571d56a2969295966b3c90a1b3bd2126df3557982e01881f6c4dae3932
SHA512

927481c54d5821a6322ab1e198a09c978c6d861725a11042ebe1d77aa95381a7dc080696826849ec29e46ff71436ddeeffe5df56cd06226bd629e308e8b35f2e
SSDEEP

768:6dDod1osreJJIzGdTadB5vqcKbOEEx0xe53k3wGy2+AJGf1IzpcLJc:lPeJJIz4+N1Iz3

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\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_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\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2776	AcroRd32.exe
2776	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2616	2312	cmd.exe	31
PID 2312 wrote to memory of 2616	2312	cmd.exe	31
PID 2312 wrote to memory of 2616	2312	cmd.exe	31
PID 2616 wrote to memory of 2776	2616	rundll32.exe	32
PID 2616 wrote to memory of 2776	2616	rundll32.exe	32
PID 2616 wrote to memory of 2776	2616	rundll32.exe	32
PID 2616 wrote to memory of 2776	2616	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tools\ak3-core.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tools\ak3-core.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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\tools\ak3-core.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2776

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
9bc6b10b29275a86db8231a9f6c13df1

SHA1
ef38eeea5e2afed7b0c5524200ed4c20419488c0

SHA256
7d1023d3dc4dbf7e71940a419217d6fb31cb17b4ac224c7991107fbf48313a5b

SHA512
928f25405673f01360a4847833e2451e6b87c017e51b19e1a0a3c48dbcd15174ca01795958f85f0eb4ce39b049797d9c704675afa72e5b4cc8b3bfad817596df

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