2b0f8f354fca4d967aaef9e1b68cfbf858cd3f299fd2f3cb3b7ae882436cd9dd

Analysis

max time kernel
120s
max time network
125s
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/Ui_about4.py
Size

27KB
MD5

c923ac966eb2d2f107e80539b956c8b6
SHA1

e9eb4e0035eddf4bb8f523c7e3378a7e78f0969a
SHA256

4b7852f26c1bd6564dc16fe9172fcc160a4b674d78d7e67622be0df0128826d0
SHA512

404adab2476c876521bfa6cdd85e071935f8b257894484bb9477c7db44278cf4c73ff390ccbb90718ae054cbb9ae8597b87cd8574e06a88bde1fd1d33d23cd85
SSDEEP

768:6aVR20Rgw1vxJqZ/FO4KIjzsVvFEHG7YrUWptYqd:DrQ9vd

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-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_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
1724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1724	AcroRd32.exe
1724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 2228	1364	cmd.exe	31
PID 1364 wrote to memory of 2228	1364	cmd.exe	31
PID 1364 wrote to memory of 2228	1364	cmd.exe	31
PID 2228 wrote to memory of 1724	2228	rundll32.exe	32
PID 2228 wrote to memory of 1724	2228	rundll32.exe	32
PID 2228 wrote to memory of 1724	2228	rundll32.exe	32
PID 2228 wrote to memory of 1724	2228	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-2.0b1\Epigrass\Ui_about4.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1364
- 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\Ui_about4.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2228
- - 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\Ui_about4.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1724

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
5e252961d2b54c7e172289627dab39f7

SHA1
e613f2d527da3181fad6801fffdb63188a942d4c

SHA256
954278109700507deea7c90eaaadcfb1359af5795604772fddfb6aaaf69bda8b

SHA512
b41bd20c346bb4584727eaa10d0d6b8f2add50a66a15cfcb666b39c6ccd3162fee3ee8abd0cfaf872874e3be68ee3a6f6d36575d56392ecb35fffd894554862a

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