540a75533296db8a7456934bdef88525d032a78b53a8335a44cecd372350162c

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 16:55

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General

Target

epigrass-2.0/Epigrass/Ui_display.py
Size

5KB
MD5

4934f6bfc1f5fef100352c3b5c05d471
SHA1

b646d146eebe78341a777935d13c0c4c1f4e96ad
SHA256

cd08ed78ca81f8555959f84d1c3e40d3df72dc203ba7a463e98d9416f5081de5
SHA512

a46279997365b58eec1fffbb40951cf08a1b75f7e2a150ed7a1d83700f67d1d28439220125718040598e9a112e041bba2c2fce775701fa8b9852b771e096e61f
SSDEEP

96:JmA3Qn4PWB2KkVy8IKSr3ALLurTfRYyJm6zGzVoQrnbuoRarMwh:cJ5Kw/zAHuxXFzgus6oRarJh

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-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_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
2884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 1864	2168	cmd.exe	31
PID 2168 wrote to memory of 1864	2168	cmd.exe	31
PID 2168 wrote to memory of 1864	2168	cmd.exe	31
PID 1864 wrote to memory of 2884	1864	rundll32.exe	33
PID 1864 wrote to memory of 2884	1864	rundll32.exe	33
PID 1864 wrote to memory of 2884	1864	rundll32.exe	33
PID 1864 wrote to memory of 2884	1864	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-2.0\Epigrass\Ui_display.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- 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_display.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1864
- - 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_display.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2884

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
1e1c7164482dd82112e36ba0df4cbd11

SHA1
20e14a2f286befbb244e25f12ac3a6107c4c23d3

SHA256
5ca2715fdea616c2a92da0f20447f94749b5813b71a4ac250a8e661f36020332

SHA512
56de5019a29db257e111a0edc1dad9e501b8f2dfc8fee68ce11bfae79de82dec3c22df3d89809cb50d5069da82328277bcffd6db195918e37d7c470f22284efe

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