e46a0a9810193509839f7c21e2358e16195ce5a95d9609064da9fdec8a1282db

Resubmissions

08/06/2024, 18:36

240608-w85dzaee2x7

08/06/2024, 18:34

240608-w73hzsfc667

08/06/2024, 18:28

240608-w4d18aed517

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
08/06/2024, 18:28

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Dreamless/config.json
Size 40B
Sample240608-w4d18aed51
SHA256 7cc8adda38d0442786d12ad622f704217e562ed1bc568090a2a957103c02cd18
MD5 7decfc86e1a5cdc9a0a8890a45a4a481
SHA1 5bc16a8f13be1432b811f52b29a6cf66006601d0
SHA512 f0c3f13ec3b200ab8849a68b6f66443684a267a30b861dd98bfabc863782775f2589328ca426b4ea3e63b63df91a7364948e0c167becb654ecf7bce76ae49c16
MD5 SHA1 SHA512

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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2876	1832	cmd.exe	29
PID 1832 wrote to memory of 2876	1832	cmd.exe	29
PID 1832 wrote to memory of 2876	1832	cmd.exe	29
PID 2876 wrote to memory of 2620	2876	rundll32.exe	30
PID 2876 wrote to memory of 2620	2876	rundll32.exe	30
PID 2876 wrote to memory of 2620	2876	rundll32.exe	30
PID 2876 wrote to memory of 2620	2876	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Dreamless\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Dreamless\config.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2876
- - 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\Dreamless\config.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2620

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

Loading Replay Monitor...

Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 55d5bd97eece965c78237e32311f328c724050c657424c570f5023ff55b8e5e6
MD5 ffad36eb322e3210f201769cfe10c3b4
SHA1 387311e286cbd267f0cdd9888126036a95a7c15c
SHA512 5694d26d350ea685315def1974fa5d3e107827260e6046763010415844242885ac7c10a75f464d60685499d7239c79e0078b74874f65b7c8c867bf47b959bb04
MD5 SHA1 SHA512

Submit Download