0432dca5d3f8623103c1e112f052a4ed7990d550b029c445858ffc94a9abe65b

Resubmissions

15/04/2024, 17:37

240415-v66nksed8w 7

15/04/2024, 17:34

240415-v5ll1sed3z 7

15/04/2024, 17:30

240415-v3fmzsca66 3

15/04/2024, 17:27

240415-v1vdcseb8w 7

Analysis

max time kernel
18s
max time network
20s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 17:34

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General

Target

WindowsPowerShell/v1.0/Modules/MsDtc/MSFT_DtcAdvancedHostSettingTask_v1.0.cdxml
Size

3KB
MD5

8ad3984071cd41f88be85478d9d3b927
SHA1

de487ad34ef752c5bd7128829fa06fc7a47bd723
SHA256

ef1d87489f53c6fac620fc4e1656931ac6b4050b2bba6ff03412417b5006ddc1
SHA512

4325334fe608c0bf5c98b0b7c263ee7c2c9d1f66010c2b3f931a6fc60265ba73cd8981a90ee54cd86374a81b22a74df7f18e87bde027de13c8061677f1606ef8

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.cdxml	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.cdxml\ = "cdxml_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cdxml_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cdxml_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cdxml_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cdxml_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cdxml_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cdxml_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 3004	2936	cmd.exe	29
PID 2936 wrote to memory of 3004	2936	cmd.exe	29
PID 2936 wrote to memory of 3004	2936	cmd.exe	29
PID 3004 wrote to memory of 2604	3004	rundll32.exe	30
PID 3004 wrote to memory of 2604	3004	rundll32.exe	30
PID 3004 wrote to memory of 2604	3004	rundll32.exe	30
PID 3004 wrote to memory of 2604	3004	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\WindowsPowerShell\v1.0\Modules\MsDtc\MSFT_DtcAdvancedHostSettingTask_v1.0.cdxml
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\WindowsPowerShell\v1.0\Modules\MsDtc\MSFT_DtcAdvancedHostSettingTask_v1.0.cdxml
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3004
- - 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\WindowsPowerShell\v1.0\Modules\MsDtc\MSFT_DtcAdvancedHostSettingTask_v1.0.cdxml"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2604

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
699a4c83a77431dee5a207728efc470c

SHA1
705a53cd221acf41ce3dd04a97c3885c639111b6

SHA256
0b561bbaef4a4f101743e3c13b978d8e30e18b1887929ed65da180fa8d73a778

SHA512
f3601649a36129c322034ec4386b61f8797892141843e40ac33bf1afe2cf89348cd933a895ba6e5832512488d51244cb92d9467bd9137114bd56f3d58afedad6

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