a3807794c390acc037b4de2d88f9869406ec661946af0a9e4a06cbe1ee0ba4a5

Analysis

max time kernel
153s
max time network
45s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
30/06/2023, 18:56

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General

Target

01_Alex_Dcast.json
Size

1KB
MD5

eb3161bfe706207cc4fdcc49ccd7bb0f
SHA1

392593bb0eb8d4cfd4319d97ed780694a7b46ed3
SHA256

8938f9c3ea27d7c972cb96e02547b37f0d3e90d8b03eb0c691573bce27c9f800
SHA512

dbb7607b3f27b4bf3515e12d76800e247127eccad5721317387cedd72fca1e5cb8e509f6b3fdb5890567053f996ea21791db7a664eca03d2320602294dcb0cf8

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-1-5-21-3465915139-4244146034-2076118314-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1240	AcroRd32.exe
1240	AcroRd32.exe
1240	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 1496	304	cmd.exe	28
PID 304 wrote to memory of 1496	304	cmd.exe	28
PID 304 wrote to memory of 1496	304	cmd.exe	28
PID 1496 wrote to memory of 1240	1496	rundll32.exe	30
PID 1496 wrote to memory of 1240	1496	rundll32.exe	30
PID 1496 wrote to memory of 1240	1496	rundll32.exe	30
PID 1496 wrote to memory of 1240	1496	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\01_Alex_Dcast.json
1⤵
- Suspicious use of WriteProcessMemory
PID:304
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\01_Alex_Dcast.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1496
- - 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\01_Alex_Dcast.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1240

Network

MITRE ATT&CK Enterprise v6

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
1eb4a05526f59673c2959a1bc5e6fa55

SHA1
0a60a2d9d6ecdf36afdae91aeb0815485f467749

SHA256
1117e8e932afaa6ec16af19723b4b1457d3d637656f5f76ea08632b08264cee3

SHA512
89ee143ae1f51f13483c8b9d3c9df99fb8f92b4881a96295b4cdef749ace09848b4199969e914c2630bcbcaaf1c4f7723ea5c9baff731e200a0b8b2f49ce09f6

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