e73bb9abd07a3075baacff2be37bf9b32bc612de7e03af85ef4d51ff7b494e94

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 20:28

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General

Target

main.pyc
Size

3KB
MD5

16e27d323fbbe72066c2f6db0c85e9c9
SHA1

71ca30614315dd3b125f8f0f08cbe8cbd566b8ac
SHA256

24b9e6f7c9b79435d9d08b6199bb54474ae0634d96d746ee188ffae6966aae6a
SHA512

9c7ceb6c38223fdd317d6774ce4b8b19192ba42caa343bdc48450915a1953e0590dde6b9f370a4754ae7c7f6d14b7703d281f7fd6825873d717eea97d7457f3a

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-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_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-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2704	2260	cmd.exe	31
PID 2260 wrote to memory of 2704	2260	cmd.exe	31
PID 2260 wrote to memory of 2704	2260	cmd.exe	31
PID 2704 wrote to memory of 2764	2704	rundll32.exe	32
PID 2704 wrote to memory of 2764	2704	rundll32.exe	32
PID 2704 wrote to memory of 2764	2704	rundll32.exe	32
PID 2704 wrote to memory of 2764	2704	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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\main.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2764

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
1b31faaca9ddeeebfe65d3fc5d5524ef

SHA1
d20566ba0f5ae3b8cb4913c01624cf3d23c08d3e

SHA256
ebe0d1743febb2e24fdc53b344aae81bf2417c3430fb88ea270049d4b3cf25b6

SHA512
9e64e9adcec93af79648e96a32f3c8809bcc439b068351779b1f79155c97a0f3418a6b2b8ba944b97ad8414659e01d4869e085e346c841e7a9c46b9fbe32d8cb

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