75a3295f8c688359fcb7555b80e3f71ee42c5ac1d4525a39b2571107acf06a45

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-06-2024 12:37

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General

Target

themes.json
Size

2KB
MD5

ecc97a512f2bee4c4344a7a4126b5a5b
SHA1

73cd4d3e586b17d307decebd1ba8bea105977e29
SHA256

b5eeb2b5d8656f0399220039f15e50c2566bf13124681f67c65f8b042d8fdc4c
SHA512

4d411ea0b3c67f2b38034fc9c1491dca070801e6521cc7cd8cdf91e2343a7caa7861313445e3d53cbe8dc8f64a0ce8169b191a054536c186dc2d1dcfba25bd18

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	AcroRd32.exe
2656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2700	1900	cmd.exe	29
PID 1900 wrote to memory of 2700	1900	cmd.exe	29
PID 1900 wrote to memory of 2700	1900	cmd.exe	29
PID 2700 wrote to memory of 2656	2700	rundll32.exe	30
PID 2700 wrote to memory of 2656	2700	rundll32.exe	30
PID 2700 wrote to memory of 2656	2700	rundll32.exe	30
PID 2700 wrote to memory of 2656	2700	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\themes.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\themes.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\themes.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2656

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
b0e36684984c506ad91c3475563c4002

SHA1
bba690405dec0f77e038c3b10a6ce249120c20d9

SHA256
a3e67cddae2346fb75a20b17dec7a580691a8a44719795606e607c04a3fb1a9f

SHA512
634370caadb421295a237b38521a66884decaa9148945136c5189c330992390292038249f7d7dfd1b0d90235c644ff59e8ad30060924f204341b88ca4f3e4623

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