5b75ca26932388b6eb90c7d2540bf1d4f18ee9e3d6a6d21f488c9e0a231f3240

Analysis

max time kernel
117s
max time network
118s
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/de/messages.json
Size

4KB
MD5

7233c6e4056ce321550cb81beee99c49
SHA1

ed48cc7f67483452d89ab92e27f7b494e25e0494
SHA256

f479479ab172554e14c2f17b047eb00a409185b66d07a79f5240ba77e717f38a
SHA512

c181ea03665323001e476f1b062edbaebd848f8ace1d7b3860fa2a2cf525bfb245c116ead3847906ff6be162fb136e13164553e5fc0656e131f64a573598ac67
SSDEEP

48:PJvi9JkD6lS7e+y/Cunu0r+5300oRcVrkSV6tgFz0xhx/Ce2/+TNBoVUpEA6js:PJUJvJ/Cunu0r+5300oYzVzI2gcA

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-1-5-21-2958949473-3205530200-1453100116-1000_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-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1892	AcroRd32.exe
1892	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2800	2228	cmd.exe	31
PID 2228 wrote to memory of 2800	2228	cmd.exe	31
PID 2228 wrote to memory of 2800	2228	cmd.exe	31
PID 2800 wrote to memory of 1892	2800	rundll32.exe	32
PID 2800 wrote to memory of 1892	2800	rundll32.exe	32
PID 2800 wrote to memory of 1892	2800	rundll32.exe	32
PID 2800 wrote to memory of 1892	2800	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RoPro_Rex\_locales\de\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\de\messages.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2800
- - 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\de\messages.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1892

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
d39f91f6683d970514fd07a7e7088808

SHA1
ba50c6fc7c57cb73ea3d66b645f6bb7afaba72ee

SHA256
18bb6af9ba5ffc3b756d30e30d039e3190563021db659feb26f3d9e951bb9d43

SHA512
9eb5b097eb53c0c7b15b6bfd4f2f98c2d7b83d97ebcd3c1602e941f046b3f1420ca01baef73bfd6ff3b6c1343bbc585aba7a5f4b18b4353953e302e3ad8a5fbc

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