92b198ccaa8e897e9d86a886c98cd03825ae6ba08f3c0b7464a318d212811116

Resubmissions

30-08-2024 02:07

240830-cj8wbasbqc 3

30-08-2024 02:00

30-08-2024 01:56

30-08-2024 01:52

30-08-2024 01:45

30-08-2024 01:42

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 01:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\bash_logout_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.bash_logout	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_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-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\bash_logout_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.bash_logout\ = "bash_logout_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\bash_logout_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\bash_logout_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\bash_logout_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2392 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2392 AcroRd32.exe
2392 AcroRd32.exe

pid	process
2392	AcroRd32.exe

pid	process
2392	AcroRd32.exe
2392	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2124 wrote to memory of 2060	2124	cmd.exe	rundll32.exe
PID 2124 wrote to memory of 2060	2124	cmd.exe	rundll32.exe
PID 2124 wrote to memory of 2060	2124	cmd.exe	rundll32.exe
PID 2060 wrote to memory of 2392	2060	rundll32.exe	AcroRd32.exe
PID 2060 wrote to memory of 2392	2060	rundll32.exe	AcroRd32.exe
PID 2060 wrote to memory of 2392	2060	rundll32.exe	AcroRd32.exe
PID 2060 wrote to memory of 2392	2060	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Cert\.bash_logout
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- 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:2060
- - 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:2392

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
b2df8c9e2a490cb92d9fa778f0c9887a

SHA1
d4b7dc0b56110d649e7da3f3a74262413026a397

SHA256
77344a1fe96770a5309df5d3e3d890a98d06ec221591c47da5896ac7e5add9bb

SHA512
6873902d55d183563d5941e27eab623cf9d0713e9fd32036e7a9dd62b8688a5833113652dcd3becf52f0815f3a70654a788e312f1ea7e24f190e11b40fa96d2b

Download Submit