dcbb63002f5b6b4339ce494d3718e6517de650aeb4d3d72a601055f434f84949

Analysis

max time kernel
172s
max time network
135s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
16-10-2023 18:16

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General

Target

acacia_door.json
Size

464B
MD5

6debade82ac3d25a47bd2984cf216f3d
SHA1

0e74e59dd8e2c67b64b1f86147427c5c8c67f83d
SHA256

438cf826fe33e9b8234a2cfec29be9fe057251536b514795409948df5d6576ac
SHA512

b52b6730871233c285998e45556a42ac332ee6b1c109368a58e00bd8b6a5c3987ffb3a7a45fe9e3271f8709d21d20b895cfb96a65fca84d5d441ebdd8d8665c3

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-1-5-21-3849525425-30183055-657688904-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_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-1-5-21-3849525425-30183055-657688904-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 2000	1452	cmd.exe	29
PID 1452 wrote to memory of 2000	1452	cmd.exe	29
PID 1452 wrote to memory of 2000	1452	cmd.exe	29
PID 2000 wrote to memory of 1736	2000	rundll32.exe	30
PID 2000 wrote to memory of 1736	2000	rundll32.exe	30
PID 2000 wrote to memory of 1736	2000	rundll32.exe	30
PID 2000 wrote to memory of 1736	2000	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\acacia_door.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\acacia_door.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2000
- - 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\acacia_door.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1736

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
6970cb763c5ab405369c83fba676ba6f

SHA1
317f9ce4cb45054adaed01463b27a1adfe5e985e

SHA256
17c8b2af5b34a401dbe7e8dd753e875cc20018a2ff4d5cbe79eb7a22c829c848

SHA512
2782acbf47976b64cd861410930d0d7411c5d96650b2f0f50090b3464fa14b5b4a5513917d5de6968ce5f62c446802d9843faffae7a9d32c1354cc630def475b

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