a3d7cd217684a58df277f072e1b7e1a4e00448f1b7530fdae13af3903d1327a5

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/01/2025, 06:42

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General

Target

Stub.pyc
Size

799KB
MD5

986ea60d59009e4643ac95b4d50d5fb4
SHA1

2936dd2ed94d101daaf12b947cada396e3b19b2c
SHA256

edfec6ec07fc31c0c9c3d875e6262f362a342fdf2acfb006d46fc6a36852b05f
SHA512

22ac112950353d71962737d3046db4e4ffedad7b8165efe11b1aa91c337b7dcd1a03c6bb830b9ed782a7663c4733f5c158e787d46e05e546baa38c93c56c32f1
SSDEEP

24576:ChGx/p2sXyHHOHZHIMXE+Ge+vKeo0qVCB7:YU2lumVJZsCZ

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-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 2996	1664	cmd.exe	31
PID 1664 wrote to memory of 2996	1664	cmd.exe	31
PID 1664 wrote to memory of 2996	1664	cmd.exe	31
PID 2996 wrote to memory of 2648	2996	rundll32.exe	32
PID 2996 wrote to memory of 2648	2996	rundll32.exe	32
PID 2996 wrote to memory of 2648	2996	rundll32.exe	32
PID 2996 wrote to memory of 2648	2996	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Stub.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2996
- - 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\Stub.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2648

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
fcbdd5033ae9bf258288a00441ba5041

SHA1
29c6eaf2bdf649ed60721639f3697d8577e7a7cf

SHA256
3aa6f9132fac6acf6d6efcb003d3e0eeb15e7f022eab660ea3bb54ba4674fcbb

SHA512
96281b60ebcca4602a3ca73a3420b21a61391593018743338aac407126f822a6c5231a15b0da4a19ebe4f3b4399534d1e81e919f298a34c52546b7a04b369621

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