0f697e9cca3455c8e54b7b049b4e9632115634615f38e43ddbeb781d978354db

Analysis

max time kernel
120s
max time network
143s
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/pt-BR.json
Size

232KB
MD5

22bd2d79ad2ccfbaf3d9de20572d847a
SHA1

aabe4984f62c404e89d5880b4da619a35c160d40
SHA256

3358b77fe149fda92a403b2aa60eb61cf461c8255bffb989d9b059668f76a273
SHA512

cdd0b8f136aa97bd6fbb6f66a7174ee59b1669b74e621bb1bdf34d472c262e92e2f3e7b2ab4e0c7fdd09cf4055d1198340791714ff7d52ea95b1b68083e30ac3
SSDEEP

3072:Z+wAE/jofDYUlsnle3W/NAVzb9AKl7ljU9udgOHxQTIjVi9UfJ125ULJTy/9fq5i:oFg1Xn8gVXt

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-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_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-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\json_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2704	AcroRd32.exe
2704	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 3016	1808	cmd.exe	29
PID 1808 wrote to memory of 3016	1808	cmd.exe	29
PID 1808 wrote to memory of 3016	1808	cmd.exe	29
PID 3016 wrote to memory of 2704	3016	rundll32.exe	30
PID 3016 wrote to memory of 2704	3016	rundll32.exe	30
PID 3016 wrote to memory of 2704	3016	rundll32.exe	30
PID 3016 wrote to memory of 2704	3016	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\web-client\translations\pt-BR.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1808
- 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\pt-BR.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3016
- - 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\pt-BR.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2704

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
24b7e75463b32631059fcaffd8d68341

SHA1
a059cfd3c523eaae6b0fd5dc8f71de4954e7aa9b

SHA256
d00c54e8c0c5f7948b86c47915ded5f565118a8f6dc27140db9e2b5398fe0f49

SHA512
3db33b7102f9ebea95444e660e8760e534e698994bbb98bc1ac231e92a650e416888d617fb88056630ce3840a6d2872af37e0ffd6e9646263f179ad32e0f16cf

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