39ec76a40c9ca23930ef6191263e8b613d7cf2280cc1371dc9ee3b6ea7827d24

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 12:39

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General

Target

lib/os.pyc
Size

23KB
MD5

2e34b81cabfe5d0a88d6cd8d8733a582
SHA1

1ec0112301bb9b4439682f50d5a6dbd096239c26
SHA256

27722ffe85c9f31eded94ee409d527dae21a45b958db236a4544b6be644b7517
SHA512

f61b6c11be1782c48be39165ad82560960d536a63f6959d306626ddc62d4a7ebcf46ba49779dec14df7c1e18853485df955ac8668889d6e4c27780d83d466623
SSDEEP

384:EfV3QmcQEDFqJyKVPJPumFJ9ZKUyQp75r5lCB8LFDsL+LnwL+GLsHL1LfGLGGLqD:EtynD2NxeUhd5r5gB8LVsL+LwLhLsHLn

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2476	2072	cmd.exe	31
PID 2072 wrote to memory of 2476	2072	cmd.exe	31
PID 2072 wrote to memory of 2476	2072	cmd.exe	31
PID 2476 wrote to memory of 2744	2476	rundll32.exe	33
PID 2476 wrote to memory of 2744	2476	rundll32.exe	33
PID 2476 wrote to memory of 2744	2476	rundll32.exe	33
PID 2476 wrote to memory of 2744	2476	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lib\os.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\lib\os.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2476
- - 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\lib\os.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2744

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
1e6fccc52c752ccc03d619d52569c69a

SHA1
51f9d28343695bd01d6b05cfd24822020b479932

SHA256
13e4bb3cccb01e1b211b2b2d0030a47078b18c4e11f784b08ac7fae4c59c7581

SHA512
3a90549892badd559f169c6d31937989f4040a62b51aa7dc5f368f573d166ad683f2eaecb13a21ac934b8eee5cc43cabbc3f66bb4d3ab09a42f5d42135283ae1

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