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
1556s
max time network
1565s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/06/2024, 18:36

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General

Target
Dreamless/config.json
Size 40B
Sample240608-w85dzaee2x
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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2560	1524	cmd.exe	29
PID 1524 wrote to memory of 2560	1524	cmd.exe	29
PID 1524 wrote to memory of 2560	1524	cmd.exe	29
PID 2560 wrote to memory of 2688	2560	rundll32.exe	30
PID 2560 wrote to memory of 2688	2560	rundll32.exe	30
PID 2560 wrote to memory of 2688	2560	rundll32.exe	30
PID 2560 wrote to memory of 2688	2560	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:1524
- 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:2560
- - 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:2688

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 2eb5cf35d53e09b193608c1197f689d84bdc291d46fb27e44e4fddfa81993e9c
MD5 50c9b30a038d9c2cebfbb6333800383c
SHA1 5280b9385607a55dd2236e970975896dd82be578
SHA512 f31d5f49f405bbd87fae80531ea7c68a78954a871fab2123169c824c0ca9d7699ea01536540f9a9e0eedd733ca50d16042c15e3e4461241ddff62dbf5907604c
MD5 SHA1 SHA512

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