92b198ccaa8e897e9d86a886c98cd03825ae6ba08f3c0b7464a318d212811116

Resubmissions

30/08/2024, 02:07

240830-cj8wbasbqc3

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
Sample240830-b4pgqs1dla
SHA256 342099da4dd28c394d3f8782d90d7465cb2eaa611193f8f378d6918261cb9bb8
MD5 1f98b8f3f3c8f8927eca945d59dcc1c6
SHA1 c4d853993e323432cb84359de2c319b9a767b729
SHA512 33bb97936e54fe797b5046ece9c04313306fdc1470c959593f5cc2c641066372f2aee759db3a1bf45470b10c98ca964388172ded77eacaf2500e428d4f00331f
MD5 SHA1 SHA512

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-1-5-21-3551809350-4263495960-1443967649-1000_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

pid	Process
2848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2848	AcroRd32.exe
2848	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2356	2424	cmd.exe	31
PID 2424 wrote to memory of 2356	2424	cmd.exe	31
PID 2424 wrote to memory of 2356	2424	cmd.exe	31
PID 2356 wrote to memory of 2848	2356	rundll32.exe	33
PID 2356 wrote to memory of 2848	2356	rundll32.exe	33
PID 2356 wrote to memory of 2848	2356	rundll32.exe	33
PID 2356 wrote to memory of 2848	2356	rundll32.exe	33

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 d3739c649c14cdfa31916def0341606f6824275dc2e2bd3194863d65614afaae
MD5 029a13f07256dc7195894b2b7e6d240e
SHA1 e3ce1c3801b72d4cf1fca3572915aeaabcaf6a96
SHA512 d43e49d3063fa1428a458123010b09b89bb3d1d7284818a539b66bd5b51f11e381ef87b93508def9178a01863af83ff2c42892208e2d55dd2f076a72afb138ae
MD5 SHA1 SHA512

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