e6f27d0e9530edd04a6343618eb98ea1cd748625f42aa0a7ea87b73a8bd886f7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 17:31

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General

Target

empyrean-main/builder/util/makeenv.py
Size

616B
MD5

9636255856ad526bbc00457b24373c54
SHA1

6fba0fb49e9698f9e8a818dcd02f236f4b07a428
SHA256

210579537257392e13074d978b255c0e2313d9bd089c6e6635adbc0109a90789
SHA512

d29b68a830bbe0e8190243df51a88e883da75cacd5b9824ec98f63c34e07582b49d5281ee89569d00520b0e567eaeccefef60e223cde8de2b06a29ac710b23d9

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2564	AcroRd32.exe
2564	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2604	2780	cmd.exe	32
PID 2780 wrote to memory of 2604	2780	cmd.exe	32
PID 2780 wrote to memory of 2604	2780	cmd.exe	32
PID 2604 wrote to memory of 2564	2604	rundll32.exe	33
PID 2604 wrote to memory of 2564	2604	rundll32.exe	33
PID 2604 wrote to memory of 2564	2604	rundll32.exe	33
PID 2604 wrote to memory of 2564	2604	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\makeenv.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\makeenv.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2604
- - 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\empyrean-main\builder\util\makeenv.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2564

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
d0e7644bcf33223ba68dd1961712c5a2

SHA1
f4803e15310fccce23bdc38a984eda25efd30107

SHA256
bdb3e0332e2cb1d05ece5d5dd7f843c4ad4d7fb044365f05a6173b2a3fac6385

SHA512
5ebddb559030e9ba959b3934adc6df000ea2b29ef09f2e2d8772a4c460a40b269a202629aec0eca65e24ae158b3a285c0a283b0a6dd209e7b684dd1de4cddfcd

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