540a75533296db8a7456934bdef88525d032a78b53a8335a44cecd372350162c

Analysis

max time kernel
102s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 16:55

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General

Target

epigrass-2.0/Epigrass/Ui_epgeditor.py
Size

10KB
MD5

c4197e11a3b0a2f40380be55ce1a8459
SHA1

46dfbc6efce93e2d7d92e0863a45088062d0577f
SHA256

23bc55d3063aa685d8cb18c836f2fe31a9cb74cbeeb9be552598520e7b8f8823
SHA512

f35bf47b64f8af0610765f2d88a8ab9c612f4854a584c734a54f73833bb2b5c39d2a15cf527de548cfa38e2f162d8f94baf82716e6dff88b71d401193373710f
SSDEEP

192:07c+3GR6/vANj4zLi+qgZfgWouDxktDFkWSFkijhuoPhTQJPgp4rk:ic+3GR63G+qgZfgWouDyZkWakijhTQJs

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-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_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
3052	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3052	AcroRd32.exe
3052	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2756	2484	cmd.exe	31
PID 2484 wrote to memory of 2756	2484	cmd.exe	31
PID 2484 wrote to memory of 2756	2484	cmd.exe	31
PID 2756 wrote to memory of 3052	2756	rundll32.exe	32
PID 2756 wrote to memory of 3052	2756	rundll32.exe	32
PID 2756 wrote to memory of 3052	2756	rundll32.exe	32
PID 2756 wrote to memory of 3052	2756	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-2.0\Epigrass\Ui_epgeditor.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\epigrass-2.0\Epigrass\Ui_epgeditor.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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-2.0\Epigrass\Ui_epgeditor.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3052

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
9ac4b0dd96415d815ed0335a80371941

SHA1
e6d71b368af06fbee0ce756159bbe6fef2b42dff

SHA256
d988083e716a537f72b4308552e3b752fb12c52d65e2f5ae6e53a3e22a8ac8b7

SHA512
3bf6fa1d685e1911470bbb64489f6363054c7d0d948e49e38f7b9856c78c3e0f53b59ac446992a55c63acf9205aeecde2c4f0d8da10fe19c9c546d3a31d06aea

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