2b0f8f354fca4d967aaef9e1b68cfbf858cd3f299fd2f3cb3b7ae882436cd9dd

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 16:53

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General

Target

epigrass-2.0b1/Epigrass/dataObject.py
Size

1KB
MD5

482a52d7ce3b11ed52f5e46a36c4abae
SHA1

76030d0fe65a7122be135935aaac0504bd1563d7
SHA256

1c8f328596277fcd97c4bdef63679465411ffaa47d29a132987d935fb42a174e
SHA512

16374fec2890e38b8ed52d413d8cb34bc8f82e695eb618c6d6d9fd99b447cdde3de8b6a7f916144b95a92e02a104b6bba8a03df6c2fca1da582d8de9a224d059

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\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_auto_file\shell\Read	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
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
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	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2344	AcroRd32.exe
2344	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1752	2452	cmd.exe	31
PID 2452 wrote to memory of 1752	2452	cmd.exe	31
PID 2452 wrote to memory of 1752	2452	cmd.exe	31
PID 1752 wrote to memory of 2344	1752	rundll32.exe	32
PID 1752 wrote to memory of 2344	1752	rundll32.exe	32
PID 1752 wrote to memory of 2344	1752	rundll32.exe	32
PID 1752 wrote to memory of 2344	1752	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-2.0b1\Epigrass\dataObject.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\epigrass-2.0b1\Epigrass\dataObject.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1752
- - 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-2.0b1\Epigrass\dataObject.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2344

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
ed489f53367440de6a89bbb1f59b236a

SHA1
807bc75ad0d6e23b1ad53f5e60977a78468170b9

SHA256
bb050a1e7ba29fa77db38d068f92142df9dbe1ce3208bbce848c9308fa7cf0a1

SHA512
7f2de3c2182e6c0823981e84856d4a5836fd7a3b3729f4ce8025d8fe39aaad325eb86de6bb734ad74b10fbc2ae788204bbd17df1b4b6267bd7612a7c7c4823e4

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