5b75ca26932388b6eb90c7d2540bf1d4f18ee9e3d6a6d21f488c9e0a231f3240

Analysis

max time kernel
104s
max time network
21s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 01:14

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

RoPro_Rex/_locales/en/messages.json
Size

4KB
MD5

94a75b93caacabd05bf1a0987a14afae
SHA1

7a0606f4c9c8a8937dda955f9e2df6aae3c1da75
SHA256

21706c41c93af0d4b8d23c822e43c5b7d7011c9f4ed5048a5aecf12a0f785ac5
SHA512

103973cc303bd12d422ca329f9770eecdf5253bdd836aca681f9ef3f9818959a157621e7a61fbcdef8aa9e0caa67085ccf4c75379b1f67da0034a276a9a00a52
SSDEEP

48:W0dekVdX+CTyTCauTk2u0LG33cQvc4UfoGV0jt3ThDxrhx/4TkPNZj1q0vh:WDtCTyTCauTk2u0m3cQ8fDV0Bz1Tb

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1312	2488	cmd.exe	30
PID 2488 wrote to memory of 1312	2488	cmd.exe	30
PID 2488 wrote to memory of 1312	2488	cmd.exe	30
PID 1312 wrote to memory of 2788	1312	rundll32.exe	31
PID 1312 wrote to memory of 2788	1312	rundll32.exe	31
PID 1312 wrote to memory of 2788	1312	rundll32.exe	31
PID 1312 wrote to memory of 2788	1312	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RoPro_Rex\_locales\en\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RoPro_Rex\_locales\en\messages.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1312
- - 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\RoPro_Rex\_locales\en\messages.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
f25ab06ea73e6b44bdd8851348a830e2

SHA1
30b59d5986c9ef646da45aef14d1a5d968bd8cd8

SHA256
18b906a2e4d8dc2d3e6d8feab6390fa9459876d69d2ca4a149146b1e934f6aa6

SHA512
9ccf59b10495b5b562a06ac50c455ac535b5131e156e053b3caee1dcab691aa25754c976f475d116c9620689a7526d0698234a5890eb268a3b48e4f3ef4fd9a3

Download Submit