34155c536f48f9f58f8478ae666f995e23a17af679075294971fa77497c9385d

Analysis

max time kernel
1442s
max time network
1449s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22-07-2024 09:36

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General

Target

AsyncRAT_Modified.7z
Size

25.9MB
MD5

e8ece2bce3aa35c3c7ea3396eec0fdab
SHA1

70e6176f05e048e309650f976b0ec87fbe7bb310
SHA256

34155c536f48f9f58f8478ae666f995e23a17af679075294971fa77497c9385d
SHA512

66e4c643be85be013c5912f9fe5776cff73112c6636e633bde98aa5f29cb85ca2d7ccc1fa843c10715f7157f3b1b35d5bd2a3c0822d4b82d7f9f81c5067f5fde
SSDEEP

786432:6prWIWmB7N3hP4nW5zlVDmV4r/2LWhJIT5HcbkwLOvypMBIQFF8MI:LIWQXvzlVqV4725HZwBpO1I

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1248	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1248	AcroRd32.exe
1248	AcroRd32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 564	2056	cmd.exe	30
PID 2056 wrote to memory of 564	2056	cmd.exe	30
PID 2056 wrote to memory of 564	2056	cmd.exe	30
PID 564 wrote to memory of 2744	564	rundll32.exe	31
PID 564 wrote to memory of 2744	564	rundll32.exe	31
PID 564 wrote to memory of 2744	564	rundll32.exe	31
PID 2744 wrote to memory of 1248	2744	rundll32.exe	33
PID 2744 wrote to memory of 1248	2744	rundll32.exe	33
PID 2744 wrote to memory of 1248	2744	rundll32.exe	33
PID 2744 wrote to memory of 1248	2744	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\AsyncRAT_Modified.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\AsyncRAT_Modified.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:564
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\AsyncRAT_Modified.7z
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - 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\AsyncRAT_Modified.7z"
      4⤵
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      PID:1248

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
57b445848a24d149dc82754efc3b027a

SHA1
395bb6f3e1ce774a3093f225ef9ec1036ffb6bd6

SHA256
2c18cdd8d59743032840584f71a66e773819bf75554b383ca6f566c7537b623e

SHA512
c5a6239e86c88ddcc24bbcc73b77c584c4d2e185c275ebb0d7475725169c1b48cfb6d2b8afd79d8652e0647ba615b33ca39d1b7abb8ff662cbb657932a450fe2

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