faa8a6c4c3649d6bca89270696b68fe6b0f20237ae5e2f0749913151779e02a3

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
31-08-2024 21:16

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General

Target

main.pyc
Size

7KB
MD5

d1309346ad11e3818a65a53dbd71cb92
SHA1

91eaf951d5d571aeb41074db495ccd046b3f6e16
SHA256

a9fa6c696b08a23f4f107ce739f59e27be04107603641da8dc06a396597af910
SHA512

b0b3aab32ba4c15fe8881ff85efd4d012372bb51c4a9b81fc51ee32aec9494c14a76f248e93a635e55dd92bd5756ec4a45d7170c8e32a14a7b1cb52fdb780cc5
SSDEEP

192:w6Hr2zP4laAJaD8tEWdXwTgSWLKqtCQJhw9F5MdwBJs1Cnw:twBAJqWu0hn2/5Pbw

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-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_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-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2888	AcroRd32.exe
2888	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 988	2404	cmd.exe	31
PID 2404 wrote to memory of 988	2404	cmd.exe	31
PID 2404 wrote to memory of 988	2404	cmd.exe	31
PID 988 wrote to memory of 2888	988	rundll32.exe	33
PID 988 wrote to memory of 2888	988	rundll32.exe	33
PID 988 wrote to memory of 2888	988	rundll32.exe	33
PID 988 wrote to memory of 2888	988	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- 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:988
- - 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:2888

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
7ea71638eb69a10a01a20422826f9ad5

SHA1
7170fcf006c497b56f1df8fef5ec7fa786c12395

SHA256
8dbc8d2a8a3ed6bea73305cf98c7c9c908638e6ea83a803b5b02ae9c4c9f6a69

SHA512
eb12627d0e68fd4cefc4871def8afd588fd5f845284602a41ec39a83074156bc3b7988d6691be2638a464e3da7bc367f493d2aded8ce42021a2e1158812902ca

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