0f697e9cca3455c8e54b7b049b4e9632115634615f38e43ddbeb781d978354db

Analysis

max time kernel
158s
max time network
84s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 17:43

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General

Target

web-client/translations/fr.json
Size

240KB
MD5

635ac93533ef3574fbfb8d4f91435e4a
SHA1

e346d36769f40217991bfae8095311fb7a2deb0a
SHA256

0caa5d00f88c1e2e189406a8621ebdcddc55031c58cc93a66ddcd92cdc989122
SHA512

45e16c6a4807c4a86136aef88c4ed2a9054fabd727a80280dcab927e2a93d45d4db2b94f372c4dcaddb583ace100a808be5e71477827b1546011571def239eef
SSDEEP

3072:iUoEIaUzyKHdFZv75aBc/qzvXA2wyWGdfJ0ulOdk2g4ptmERz2VoFQilXKOrvH6j:+d753v+Cso1pLlACHDopKJAvQg2y7N

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-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_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-1-5-21-2461186416-2307104501-1787948496-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3068	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3068	AcroRd32.exe
3068	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2476	2624	cmd.exe	30
PID 2624 wrote to memory of 2476	2624	cmd.exe	30
PID 2624 wrote to memory of 2476	2624	cmd.exe	30
PID 2476 wrote to memory of 3068	2476	rundll32.exe	31
PID 2476 wrote to memory of 3068	2476	rundll32.exe	31
PID 2476 wrote to memory of 3068	2476	rundll32.exe	31
PID 2476 wrote to memory of 3068	2476	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\web-client\translations\fr.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\web-client\translations\fr.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2476
- - 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\web-client\translations\fr.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3068

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
12ed4f51b6ed6159932cbe13b093d5b4

SHA1
4d2b3cf82928d72eff2104482ab9147c62c82dda

SHA256
95d26752caa722fd4df66b27650a6125bbfa365f1f7c90eddf786cc4bd7ac93d

SHA512
81867151bd735bfe994b0fba4f1e84662a7e8343af36491924c2b6ef1bc402729cc10ea740a3b5e452dc498a1c92b8f8b0e5c4c395e8b21b03d2793b4c757552

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