b1eaa9119e989f79c0f8335718647ff2053c42cc7338eb8bacd0424f243a449c

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 13:54

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General

Target

source_prepared.pyc
Size

65KB
MD5

7b2f91e8321387e4e65387d4f8aea236
SHA1

b60ad177dbe3560b5a7fc3ef01b1486c306af845
SHA256

081f923d1831b2ded898f97a629767cf5c1b3c1b7107c35efc610b7e71b3c99c
SHA512

74270400de01d3b6bcd18bddd5e826ee7253d54efe05fd1a4826a955982c407d4b6ebbf1ed24130653bd6166fe9191b44b0e72ce24c760044c9d8a6f247805cc
SSDEEP

1536:20EgVg19tVO8Bj1uYCFjUpFZCdBLoNFmmnf:4g25VnBkFwpFgLoR

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-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2608	AcroRd32.exe
2608	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2612	2192	cmd.exe	31
PID 2192 wrote to memory of 2612	2192	cmd.exe	31
PID 2192 wrote to memory of 2612	2192	cmd.exe	31
PID 2612 wrote to memory of 2608	2612	rundll32.exe	32
PID 2612 wrote to memory of 2608	2612	rundll32.exe	32
PID 2612 wrote to memory of 2608	2612	rundll32.exe	32
PID 2612 wrote to memory of 2608	2612	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:2192
- 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:2612
- - 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:2608

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
524766e5fe98e4a146b6075da15ad36e

SHA1
a9a6ad3a75c798740f81446770d69c893264619d

SHA256
8c486f0e070b59d5d9790ef9fec0028ce665b277307e56a2b295b3bbf3572b79

SHA512
93eb898f94d998e5e06d1aa40ad34e72de964b8621aea62c019f6a2e40ab0963940c053366e13689e4d20c42c49731b8a6fd9e126ed2f0796f7a1443affbcca1

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