ae9593eef2c3b0d3656807f06c8c7ed4d4171384fbc3a1cc4c846d79c75dd31c

Resubmissions

17-08-2024 03:20

240817-dv6qrsxfnq 10

17-08-2024 03:17

240817-ds91eavajf 10

Analysis

max time kernel
1556s
max time network
1557s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 03:17

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General

Target

main.pyc
Size

7KB
MD5

9e124a6114567444762a274a0ec6dcf3
SHA1

ee2422931197aca302b7a93bca0eca081e733f80
SHA256

62200eba33f99cf10356670b1ef8000ac27aecbf53619940b51bfa73671561ef
SHA512

db9a2c3a97e598bcf6b5a6606f559606c9d68524b8f402c2ec80b835aa32d8015eee3dbaad9c7ef2918e34fb90fbf3f1d1ecee7af978a59c249ecf02966af010
SSDEEP

192:wrXolqMYD86kGWdXwXybi3mnOJhwxx3gcHX4MdwcW+unnw:UWAzWuH2S2f534PcWlw

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-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	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 2392 wrote to memory of 2712	2392	cmd.exe	31
PID 2392 wrote to memory of 2712	2392	cmd.exe	31
PID 2392 wrote to memory of 2712	2392	cmd.exe	31
PID 2712 wrote to memory of 2744	2712	rundll32.exe	32
PID 2712 wrote to memory of 2744	2712	rundll32.exe	32
PID 2712 wrote to memory of 2744	2712	rundll32.exe	32
PID 2712 wrote to memory of 2744	2712	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- 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:2712
- - 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: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
d621de48e5bfeb3f18cfa76d3f901220

SHA1
2f016d63dcd4667662f91d8795a9f1d228b474ac

SHA256
202f41fae9bb809eaff2f7c36168cdc570c14484a2f5f6806228b9bf3fd00e25

SHA512
b8de731d411672e2e9e7441f38e35ffd10deb0d2e1e3f9bc9a5d16ebf4ad23ee9456d6b8b2fe0cde90337e6d92985ce9a29ed74faea46fd3a37b37da7e82796f

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