f468da34285c74eee812a02dac1fa5b22d84d5b3535a31618d33c644249e1c5d

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
14-08-2023 14:57

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General

Target

assets/template.modelmaskpreset.json
Size

2KB
MD5

fdd2097edb518f089bac5edefdf52d85
SHA1

9e9732fc53f0a8c0388c1bd8a64a2fc1335b528c
SHA256

0be9d12e2c792961657d70438e2caa8fda29a0eb3535d9706b49896afd6f55b3
SHA512

104190f88788afb6ae3a69fe234d302ee8967ad0b1f42b3b78a5a748aa8c7359636b5fb949fd9b28edd0046b7a5e4d51d79cb8bd1b7c45fd1f7d9a534a7157b2

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
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_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-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2916	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2916	AcroRd32.exe
2916	AcroRd32.exe
2916	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2700	2204	cmd.exe	29
PID 2204 wrote to memory of 2700	2204	cmd.exe	29
PID 2204 wrote to memory of 2700	2204	cmd.exe	29
PID 2700 wrote to memory of 2916	2700	rundll32.exe	32
PID 2700 wrote to memory of 2916	2700	rundll32.exe	32
PID 2700 wrote to memory of 2916	2700	rundll32.exe	32
PID 2700 wrote to memory of 2916	2700	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\assets\template.modelmaskpreset.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\assets\template.modelmaskpreset.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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\assets\template.modelmaskpreset.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2916

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
86f396272ef54fb9d79091d8b779b2bc

SHA1
f0de99e3fdf49456c7c6168d72d86a2c4005ae02

SHA256
beb53e6f0fe8c759e34f139e13c1cd2fefe54508394fbb1ac0958a342f99e6c6

SHA512
41f5aeae0060aae7198d84ed88c15ccd1f3af53c955d85378d9f116a0de4c5973e2339eeeb912632fab00caf6f977f5749ec7f11a0fc817f06bc66c095af9d1f

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