47be59af1862f9ee7c9e8391512cd79f226fd09ebaca37b8902c126a85722027

Resubmissions

20/09/2024, 04:02

240920-els9raxhrn 1

20/09/2024, 03:58

20/09/2024, 03:52

20/09/2024, 03:48

20/09/2024, 03:44

Analysis

max time kernel
103s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/09/2024, 03:44

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General

Target

Cert/.bash_logout
Size

220B
MD5

22bfb8c1dd94b5f3813a2b25da67463f
SHA1

dc216ac4a4c232815731979db6e494f315b507dd
SHA256

26882b79471c25f945c970f8233d8ce29d54e9d5eedcd2884f88affa84a18f56
SHA512

c3d739f4934824d81f561c9b626b494e3c256b5a97642667882632db030fc1a8c7d23eb1ae5db7e9f63ae46ee84dbee69d15130dd1482a2c1e8aade1dfc545a2

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-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\bash_logout_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\bash_logout_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\bash_logout_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\bash_logout_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\bash_logout_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.bash_logout	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.bash_logout\ = "bash_logout_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\bash_logout_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2792	2260	cmd.exe	30
PID 2260 wrote to memory of 2792	2260	cmd.exe	30
PID 2260 wrote to memory of 2792	2260	cmd.exe	30
PID 2792 wrote to memory of 2712	2792	rundll32.exe	31
PID 2792 wrote to memory of 2712	2792	rundll32.exe	31
PID 2792 wrote to memory of 2712	2792	rundll32.exe	31
PID 2792 wrote to memory of 2712	2792	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Cert\.bash_logout
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Cert\.bash_logout
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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\Cert\.bash_logout"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2712

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
818da1af2acb827e9608e03cb7d407d7

SHA1
1deec64ede89979b1a2960e56bbbe843a0be763b

SHA256
a89967b00dca36be28d1b1ae5420ed405f9b35eab65050f0025cce32e17d4ba9

SHA512
e1cf37404ecdf9face82746053bf5c195646e76f78636b6ec186560a53dd7d672cdcf07d761f0c96b52d13f66e4feba54b4d7d217ce92e7a697b55cf89894d8d

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