b7111d51e5a77bca18ad278cee2b990937ab9e23d58b60f7d6f16093a0971906

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 15:16

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General

Target

dheater-0.4.3/data/dhparam-ffdhe-2048-openssl-225.pem
Size

429B
MD5

cad06fac64fe7868503bd15dec15107c
SHA1

78e07815724ab11452284219f03b62954ed77df5
SHA256

6cefb9fa2f9e2ce13c40bd890d4fe4a076695f22028b911b6b1172c340bffc88
SHA512

b746b89a8694ef3bf6b14b9ec09d88a73fe674b3a29cdbec219ad1017d124c2469137a2bc65814cf3b68852890a133fcb97e5d4fa7211bf21f9d6e969ae73c47

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pem_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pem_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pem_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pem_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pem	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pem\ = "pem_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pem_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pem_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2860	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 2248	1460	cmd.exe	31
PID 1460 wrote to memory of 2248	1460	cmd.exe	31
PID 1460 wrote to memory of 2248	1460	cmd.exe	31
PID 2248 wrote to memory of 2860	2248	rundll32.exe	32
PID 2248 wrote to memory of 2860	2248	rundll32.exe	32
PID 2248 wrote to memory of 2860	2248	rundll32.exe	32
PID 2248 wrote to memory of 2860	2248	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\dheater-0.4.3\data\dhparam-ffdhe-2048-openssl-225.pem
1⤵
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\dheater-0.4.3\data\dhparam-ffdhe-2048-openssl-225.pem
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2248
- - 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\dheater-0.4.3\data\dhparam-ffdhe-2048-openssl-225.pem"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
c7df08c83a397b8255c3ff013a915034

SHA1
5283cd8226b98b9e0e1805ecea2d4344c8bb02ac

SHA256
aa0d23e85fe6e20e8c84fa96825419e823b322c70b8b0c18c1f95486b81f2809

SHA512
e55cf789201b6117495de84af4c45d144a8676051875854d313feeb28c65eb91cb0d51eb6acca44bde59566f7b0ed8e494f10ab5642996662688f1e7bdc96178

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