b7111d51e5a77bca18ad278cee2b990937ab9e23d58b60f7d6f16093a0971906

Analysis

max time kernel
117s
max time network
117s
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-3072-openssl-275.pem
Size

604B
MD5

98d1e67bb46dc306bc0383ee4f53437f
SHA1

c480a09e6a7fb7923c4dbdfca1ea76ace3aa9599
SHA256

d1d97ae15c1fcc8e071936eeddbee1d2671f0a9a32cf084c2c8e9dc362b8dd74
SHA512

9b5bf1d45955ccae6e12b018aa160270ba084fe2ddf96fa97b01ffff9f5793c28b94799a213141fd21b9c44ac915dece951c2871a6fd82238994bd3d822c2340

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-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pem_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pem_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pem_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pem_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pem_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.pem	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.pem\ = "pem_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3068	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3068	AcroRd32.exe
3068	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2532	2708	cmd.exe	31
PID 2708 wrote to memory of 2532	2708	cmd.exe	31
PID 2708 wrote to memory of 2532	2708	cmd.exe	31
PID 2532 wrote to memory of 3068	2532	rundll32.exe	32
PID 2532 wrote to memory of 3068	2532	rundll32.exe	32
PID 2532 wrote to memory of 3068	2532	rundll32.exe	32
PID 2532 wrote to memory of 3068	2532	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\dheater-0.4.3\data\dhparam-ffdhe-3072-openssl-275.pem
1⤵
- Suspicious use of WriteProcessMemory
PID:2708
- 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-3072-openssl-275.pem
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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-3072-openssl-275.pem"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3068

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
f02c8ed6372fd5cbdaf50889a66c3447

SHA1
f8f69bc880fb9b52fd3d2b6a2fc42091822fa802

SHA256
db215876e61e1e47fca325cdaf030215fb4d72b83eed74177fb534aeeea0187f

SHA512
0eacd9064cf02532ced6ff77b03444091cd9968973d359149010a5822db3999960dc1a5bb1e0ffe1c0079bed77b7fa52d37cb27454c8c8afac429d7e996e18f3

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