4e15af88aac65f1ac73a9ec2d18df57f44d37f19b38cc005f0b9daf4233d57ae

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, 17:00

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General

Target

epigrass-1.5.1/Epigrass/cpanel.py
Size

20KB
MD5

e5e54ce8fe3a728a6e6be0434b17b2ce
SHA1

09db6829570e8769696328986965eaaa9898efad
SHA256

86155455b6f5118941bd7c855a1802ed40a883ee0ece3794f8d66c6f0923888d
SHA512

50ea28ee4ebc7eddb647d2987e056a167f2292eaf6749c72479dfd248389476f070a0eeabeb5c08e0ac001394d3a098b2367a5ba50ec3b6a08890e173444347d
SSDEEP

384:/nanHx0XMGrJ0p9c+yQ9tEPVwZrv/yaJ/:/1keaB

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-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_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
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2320	1152	cmd.exe	31
PID 1152 wrote to memory of 2320	1152	cmd.exe	31
PID 1152 wrote to memory of 2320	1152	cmd.exe	31
PID 2320 wrote to memory of 2836	2320	rundll32.exe	33
PID 2320 wrote to memory of 2836	2320	rundll32.exe	33
PID 2320 wrote to memory of 2836	2320	rundll32.exe	33
PID 2320 wrote to memory of 2836	2320	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-1.5.1\Epigrass\cpanel.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-1.5.1\Epigrass\cpanel.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2320
- - 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-1.5.1\Epigrass\cpanel.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2836

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
cd1d61ca8aa0e119c5b4041dc84283a9

SHA1
f0c12a68ac0c7bd40be82915c94cbbd63fed517d

SHA256
a59c172028b1a7a2e1c4a5e717442218bb97f7fcee3d2bbaf616f8469686c490

SHA512
d0dd215eb05597ec949ed85b839135d945e2ea5c36a0cdfad27e59b2e932775a1cde9bc417ef9065c689b8fd47a0f96c352b8243a57a7d9f22b635914eaeec46

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