a7482e665aa974507d5c7605acc2da8d260465d765416472ebe798f73f99184e

Resubmissions

22/08/2024, 19:09

240822-xtvrnashnb 10

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 19:09

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General

Target

source_prepared.pyc
Size

178KB
MD5

d429f4b6fbf828c1da60dce1f333e89b
SHA1

ec48e15938fcd59cdb3c4160c3bd4d6880e2eaa1
SHA256

c2b1fccbcf5c4731b61205cce680330fdf02965a8d14a29440b146830525c637
SHA512

3d223cc760aa08742d7c20736c6e621cbeec3c0f2c80cb9a248010041d4f890bdbb1861bfd2584a009831b9dda238d191b5350d41f350982e6476536cca7526a
SSDEEP

3072:ZaLaddA9XBTQowPEtelZN+thZaxdVgu8flCkI1:IWdYtQow8cN+rZaxdVgu8tCb

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2672	1956	cmd.exe	31
PID 1956 wrote to memory of 2672	1956	cmd.exe	31
PID 1956 wrote to memory of 2672	1956	cmd.exe	31
PID 2672 wrote to memory of 2636	2672	rundll32.exe	32
PID 2672 wrote to memory of 2636	2672	rundll32.exe	32
PID 2672 wrote to memory of 2636	2672	rundll32.exe	32
PID 2672 wrote to memory of 2636	2672	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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\source_prepared.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2636

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
cfc4f9c2bbff601dab2a5db71e085dbd

SHA1
d36725afb73c4e914f223c18f499feb9c6d69cfb

SHA256
ede451107361ea0b961c1b20bb1e686903d388bca7961bb57d54de55e87fc246

SHA512
1f33fb6c7f2a2da7cd4bca6edfb38dadbbd4dc6ecc1abf247883c5557ec51c8aba41c19145be6f2d58397c180c272e90db1ebd2ab4025f5b6617e287b93ebe69

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