5b75ca26932388b6eb90c7d2540bf1d4f18ee9e3d6a6d21f488c9e0a231f3240

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-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_GB/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-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_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
2744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 3052	2228	cmd.exe	31
PID 2228 wrote to memory of 3052	2228	cmd.exe	31
PID 2228 wrote to memory of 3052	2228	cmd.exe	31
PID 3052 wrote to memory of 2744	3052	rundll32.exe	33
PID 3052 wrote to memory of 2744	3052	rundll32.exe	33
PID 3052 wrote to memory of 2744	3052	rundll32.exe	33
PID 3052 wrote to memory of 2744	3052	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RoPro_Rex\_locales\en_GB\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- 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_GB\messages.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3052
- - 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_GB\messages.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2744

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
e63be771b89aa644dd80cada3f2869bc

SHA1
378e1c744d4e34dc0688b63a58c1a2b501fac41e

SHA256
9ac254a9736ea12f97f84cf607707882ae78cee25ffa1e7cf1c6fb7875e622d6

SHA512
03dfa8ea741f840b7bc45bfeebbee8967757e9d8097876e8c1fe5b37bd810c188ec0796e00398d5e07d0abd826e877093eb9fd92cb477dd0ff054d02f6170593

Download Submit