4e15af88aac65f1ac73a9ec2d18df57f44d37f19b38cc005f0b9daf4233d57ae

Analysis

max time kernel
104s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 17:00

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General

Target

epigrass-1.5.1/Epigrass/dgraph.py
Size

12KB
MD5

69c7aa71b4a2d76d03ca694504ad6b0e
SHA1

5375cb7ddcf5652899e9791c1a720326f8bb79b8
SHA256

c3f1db439d1440e3cd1ddf5bdcb6b8090492bd54765949fcf98773ae47f39837
SHA512

7962847d46bc5f4442c20acdf6fa8418ff99a4a5f4acb90f6a14672f8f3c5ad5033cdf62637ee311ebf6f72f3f3ca34bdfe69d0097a725331b4e060f29fd081c
SSDEEP

192:J+4hiqj+X4Wo9em9h17V73zzkQvs4xWNjNim92Jqj9Qk3JT:JlMqj+XD49DV3zQ4cjNim92JVe

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-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	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
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\Read	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
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
2904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2904	AcroRd32.exe
2904	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2792	2440	cmd.exe	30
PID 2440 wrote to memory of 2792	2440	cmd.exe	30
PID 2440 wrote to memory of 2792	2440	cmd.exe	30
PID 2792 wrote to memory of 2904	2792	rundll32.exe	31
PID 2792 wrote to memory of 2904	2792	rundll32.exe	31
PID 2792 wrote to memory of 2904	2792	rundll32.exe	31
PID 2792 wrote to memory of 2904	2792	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-1.5.1\Epigrass\dgraph.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\epigrass-1.5.1\Epigrass\dgraph.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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-1.5.1\Epigrass\dgraph.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2904

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
ed7847596961bb156921ea71fb0e996b

SHA1
7e294ca4f2aa8f2b94b570d0e608551d5daf3210

SHA256
a5a286c373a3fd8f20ce77179e679c2f501efd8bca7c429ede275c541674ed8f

SHA512
0fcacef58e39c0efebd8be06b36cc68e24d740ac4c56148ea88084836702e401450a3906f12b238c05e72d0aed630ab908abb77273b9306efed447d3a722e0a4

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