da091f6395e82e09c6dcab3d47fbf22f978c1a3642eff0cee0d5a2cee818d17f

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 16:54

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General

Target

epigrass-2.0a4/Epigrass/dgraph.py
Size

35KB
MD5

e0cfd13e6a2dfb20e0af95362e78898d
SHA1

9b8383220ced9b0f399d69cb51eb70d2ed1b0524
SHA256

7b201ac51cd884c13829a83ddc86e81cebcd3051ec86913fe48b8a465b5e1cf4
SHA512

9796ad037ea5f7e2b0c4fb6c85d0bc91aa1830e096ac5217c27ee164f219e3bf23330b849bf913431d85255a8be482d30a7286bedb5303f5372a7453e69e961b
SSDEEP

384:EW93EjKPRSPzKtdAkwyi88N85nQMcBZ5/n/lVDVEa0:132KPEPzKtTVixN85Q3Z5/n/lVL0

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
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2972	AcroRd32.exe
2972	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2188	1152	cmd.exe	32
PID 1152 wrote to memory of 2188	1152	cmd.exe	32
PID 1152 wrote to memory of 2188	1152	cmd.exe	32
PID 2188 wrote to memory of 2972	2188	rundll32.exe	33
PID 2188 wrote to memory of 2972	2188	rundll32.exe	33
PID 2188 wrote to memory of 2972	2188	rundll32.exe	33
PID 2188 wrote to memory of 2972	2188	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-2.0a4\Epigrass\dgraph.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\epigrass-2.0a4\Epigrass\dgraph.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2188
- - 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\epigrass-2.0a4\Epigrass\dgraph.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2972

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
04306dbc782ad1d80e17f58e949f9439

SHA1
14f5511f3d1dda2c16f82ae9ad3cae00ef377c5e

SHA256
092ea5e567bfc054cb64d5a3514a76d000c0a00fc31b32dbdecc724fd378a632

SHA512
f0f25b77b0633972b6d4d788dc76a63ade7e1b5b9af0bdd6346f49186367ff0495a5b71e38451133bc1e0aa03b2bfb2b310c842a4e0872c4c23d30998fd4d46f

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