44862c8e6b56a4e1c67508a5eb55a19ab73a707d8dc90d2c84971e893f2a3267

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 15:06

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General

Target

locales/en.default.json
Size

12KB
MD5

78edadbb257b1de906000c8556664d5a
SHA1

d0472a0b10a026abe0a4f058c5448047cec76c25
SHA256

24c135056f7326f9250e08a923a0809b7dd9c92f602c8601dba382f8019c314b
SHA512

d9328195a79db3748026a5c581253b65a8955543ae2a8921552a08c7fb5fa42c1ed5a2d73c43d7db0c1821789e462f7bdf4c723d4e81b0c12f4a769407ce7482
SSDEEP

192:VMjzgTOHvtVY9W+2j/EjSBDmrxuUmV/N/lKvAD/jJieL6tvxf4PtEW8:08OVCcwSBDm9UL3lLJ8

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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2472	AcroRd32.exe
2472	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2660	1488	cmd.exe	29
PID 1488 wrote to memory of 2660	1488	cmd.exe	29
PID 1488 wrote to memory of 2660	1488	cmd.exe	29
PID 2660 wrote to memory of 2472	2660	rundll32.exe	30
PID 2660 wrote to memory of 2472	2660	rundll32.exe	30
PID 2660 wrote to memory of 2472	2660	rundll32.exe	30
PID 2660 wrote to memory of 2472	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\en.default.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\en.default.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\locales\en.default.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2472

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
c6842a573255ede54b6cf7c6af86ddce

SHA1
2bd5ce775f2e2e32772a8320f718797836033b74

SHA256
ea1f5ac53f476f5aa3fe0d61bc4a5690b9dc7798f1eeab16bfc6736ed2de7751

SHA512
6dfa67d3228263bfa1eb570cd3b41a56ce2c0b4a26079c5e906c7cd76a9b436986cc47519e183b299cbc7b90796123de3168b2d7074917e3689731722a116d28

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