da091f6395e82e09c6dcab3d47fbf22f978c1a3642eff0cee0d5a2cee818d17f

Analysis

max time kernel
103s
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, 16:54

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General

Target

epigrass-2.0a4/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-1-5-21-457978338-2990298471-2379561640-1000_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	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	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_auto_file\shell	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
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 2784	904	cmd.exe	30
PID 904 wrote to memory of 2784	904	cmd.exe	30
PID 904 wrote to memory of 2784	904	cmd.exe	30
PID 2784 wrote to memory of 2816	2784	rundll32.exe	31
PID 2784 wrote to memory of 2816	2784	rundll32.exe	31
PID 2784 wrote to memory of 2816	2784	rundll32.exe	31
PID 2784 wrote to memory of 2816	2784	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\epigrass-2.0a4\Epigrass\dataObject.py
1⤵
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\epigrass-2.0a4\Epigrass\dataObject.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2784
- - 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-2.0a4\Epigrass\dataObject.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

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
e653a2123e9f80c7970bcaa05c458a87

SHA1
3c92465fe7099ff17f93ed05fd37245dfb7281a1

SHA256
5c7f4eb08a39590cfe75e1abd7e0ef0cd78449838c726df092e0866b98303dde

SHA512
7168db66daf5a81efbe9c451f40b81219c01288755b33b16641563b269f5204626fa91a0f3a963c5e002116254e4c05fce6c5dabd382cbe70abe5cf25cac7a6c

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