089b8ebe71570a3a6ddf42acef5cf8111c1804d3e75c17387618ffa7b30845e7

Resubmissions

23/08/2023, 15:17

230823-sph5vaef2t 3

23/08/2023, 08:27

230823-kcsvhscc6z 3

Analysis

max time kernel
299s
max time network
120s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
23/08/2023, 15:17

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General

Target

manifest.json
Size

283B
MD5

3748ab5a977e96405f7a367fd9542f2e
SHA1

cd762a72b992de834ce8c612c9206c0fb4390416
SHA256

6109e03cca696488e76b254ded9d81930cf481f9bac88112db1f283b4aa90384
SHA512

06da138fe15568d7be4d0df943428d24246b92e9a06da0b5355e0ef9d5f4519904f200ebfd7d0734fa877301f6d46b3986036eb4817d248e783dc0e73426991c

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-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_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-1-5-21-1024678951-1535676557-2778719785-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 2888	532	cmd.exe	29
PID 532 wrote to memory of 2888	532	cmd.exe	29
PID 532 wrote to memory of 2888	532	cmd.exe	29
PID 2888 wrote to memory of 2824	2888	rundll32.exe	30
PID 2888 wrote to memory of 2824	2888	rundll32.exe	30
PID 2888 wrote to memory of 2824	2888	rundll32.exe	30
PID 2888 wrote to memory of 2824	2888	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\manifest.json
1⤵
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\manifest.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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\manifest.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2824

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
af63f7dac211937f2137fa3f253e4587

SHA1
64849e17f47d6a785327be4ab9b33441f9d35520

SHA256
e79925c15ccb66b981ecf8fe0d7dbbe10905a6af081db64024d1f3e6359f5ec0

SHA512
4950f7022d2356d2a062add6621fe0f0bfe0c054fee3a8228cb1212ca2a76ed79190fc3177a8f0799945bc31f10e70435d62ddc1e9b0274578f61e1dffda6e47

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