92b198ccaa8e897e9d86a886c98cd03825ae6ba08f3c0b7464a318d212811116

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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
122s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 01:42

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General

Target

Cert/.bashrc
Size

3KB
MD5

1f98b8f3f3c8f8927eca945d59dcc1c6
SHA1

c4d853993e323432cb84359de2c319b9a767b729
SHA256

342099da4dd28c394d3f8782d90d7465cb2eaa611193f8f378d6918261cb9bb8
SHA512

33bb97936e54fe797b5046ece9c04313306fdc1470c959593f5cc2c641066372f2aee759db3a1bf45470b10c98ca964388172ded77eacaf2500e428d4f00331f

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
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bashrc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bashrc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bashrc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bashrc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.bashrc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.bashrc\ = "bashrc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bashrc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\bashrc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2848 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2848 AcroRd32.exe
2848 AcroRd32.exe

pid	process
2848	AcroRd32.exe

pid	process
2848	AcroRd32.exe
2848	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2424 wrote to memory of 2356	2424	cmd.exe	rundll32.exe
PID 2424 wrote to memory of 2356	2424	cmd.exe	rundll32.exe
PID 2424 wrote to memory of 2356	2424	cmd.exe	rundll32.exe
PID 2356 wrote to memory of 2848	2356	rundll32.exe	AcroRd32.exe
PID 2356 wrote to memory of 2848	2356	rundll32.exe	AcroRd32.exe
PID 2356 wrote to memory of 2848	2356	rundll32.exe	AcroRd32.exe
PID 2356 wrote to memory of 2848	2356	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Cert\.bashrc
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Cert\.bashrc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2356
- - 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\.bashrc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2848

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
029a13f07256dc7195894b2b7e6d240e

SHA1
e3ce1c3801b72d4cf1fca3572915aeaabcaf6a96

SHA256
d3739c649c14cdfa31916def0341606f6824275dc2e2bd3194863d65614afaae

SHA512
d43e49d3063fa1428a458123010b09b89bb3d1d7284818a539b66bd5b51f11e381ef87b93508def9178a01863af83ff2c42892208e2d55dd2f076a72afb138ae

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