5b75ca26932388b6eb90c7d2540bf1d4f18ee9e3d6a6d21f488c9e0a231f3240

Analysis

max time kernel
119s
max time network
121s
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

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General

Target

RoPro_Rex/_locales/am/messages.json
Size

5KB
MD5

ae8c20cf62cdf7d774911e0cb3a0c505
SHA1

ab7e50a3b98f46f696bd85045dc1fdeb459bfa14
SHA256

4b61b117be381a8b621082b7e817e7e2dbddf0672e071e151053362b1b26284f
SHA512

b256097843b9003399a97e1b7f9ab4a73c4dcc9c43a792caad14c92fdc372dca7ad098d9d95fa06194b4cea16942ff546c073df84ce70950a6976e433dbdf927
SSDEEP

48:XglUhjkfv6xhFRsTUYhYIoDu3QzuYx3QTc6qSKrVKz0FgfxEx/dBjadnOnvQ4sHg:g6jTjRe9Gu3+uYx3BSKVuiBjaNWJ

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
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\json_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2984	AcroRd32.exe
2984	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 2716	1920	cmd.exe	31
PID 1920 wrote to memory of 2716	1920	cmd.exe	31
PID 1920 wrote to memory of 2716	1920	cmd.exe	31
PID 2716 wrote to memory of 2984	2716	rundll32.exe	32
PID 2716 wrote to memory of 2984	2716	rundll32.exe	32
PID 2716 wrote to memory of 2984	2716	rundll32.exe	32
PID 2716 wrote to memory of 2984	2716	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RoPro_Rex\_locales\am\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- 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\am\messages.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2716
- - 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\am\messages.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2984

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

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Downloads

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

Filesize
3KB

MD5
b417c2c163e6d2cb8f18823d02f7252d

SHA1
a36e6ac790c5a4f0adda6e8d335d2fbaff7ddeb5

SHA256
c861716a130d0c490e9ff6f9c72c223a449ff9c566c24855b13202db45474958

SHA512
fe2349107c64d852aa010ad1a9dbc325bd043b792b6a81528817eef96836b334dd50eaf92032d0ff344f9e1e5a08b8a0e6150a01c5ee4a2b0f132c0e5b17cda6

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