da091f6395e82e09c6dcab3d47fbf22f978c1a3642eff0cee0d5a2cee818d17f

Analysis

max time kernel
119s
max time network
120s
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/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-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_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-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 2452	1144	cmd.exe	31
PID 1144 wrote to memory of 2452	1144	cmd.exe	31
PID 1144 wrote to memory of 2452	1144	cmd.exe	31
PID 2452 wrote to memory of 2724	2452	rundll32.exe	33
PID 2452 wrote to memory of 2724	2452	rundll32.exe	33
PID 2452 wrote to memory of 2724	2452	rundll32.exe	33
PID 2452 wrote to memory of 2724	2452	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-2.0a4\Epigrass\cpanel.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1144
- 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\cpanel.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2452
- - 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\cpanel.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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
d2afbce1986679b66127971a23a68a62

SHA1
fcb019262efca988295ea60de04ca3932d111970

SHA256
f45bbcf6bec1953c6d493b275821bcaa17581a6f9b8f5af8e9a115da70686813

SHA512
988081c1600b66c45cc62ca1304df78f0b09d14ab8e5c7088a8e9c5a90a99bc0fe8e1c59d12b8d58e3e087aa820517ce2fe3391d9f0f08e83a69da8d9e43b0cc

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