5b75ca26932388b6eb90c7d2540bf1d4f18ee9e3d6a6d21f488c9e0a231f3240

Analysis

max time kernel
122s
max time network
124s
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/ca/messages.json
Size

4KB
MD5

1c74cdc1ebf28bf2f6e6b4ceb3d1feed
SHA1

726d53126d1ddb7419da38acb489b0523920033f
SHA256

05e5992a8672aa491aaeb835c1f8a266203fb546dcf11135c670377ae237e311
SHA512

6803873fd2ec966b125ee1ebbc2df1ff268eddc2c9ccd8fd2f0b024f59c1ca166667fdc266cd93f07fe12f85dc65f07c42acf1f15068d604f6f3bf6ab4292b41
SSDEEP

96:u6bwFAghRtnuLuQTlhD3FfqeDVe2RgcFwx:u6bpgZni1TlPfXVeMgN

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2400	1312	cmd.exe	31
PID 1312 wrote to memory of 2400	1312	cmd.exe	31
PID 1312 wrote to memory of 2400	1312	cmd.exe	31
PID 2400 wrote to memory of 2836	2400	rundll32.exe	33
PID 2400 wrote to memory of 2836	2400	rundll32.exe	33
PID 2400 wrote to memory of 2836	2400	rundll32.exe	33
PID 2400 wrote to memory of 2836	2400	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RoPro_Rex\_locales\ca\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1312
- 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\ca\messages.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2400
- - 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\ca\messages.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2836

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
cb21a66e1cba9c689dc47a664113859a

SHA1
48be5c63fbdbcbf51dd053132a22e3b4dd08b3e7

SHA256
812155608f9593279c4a81d2a25fd1f79fc8e4b7d29ed032552a4dfc1f5e131a

SHA512
7759a9bf360f645b3831a28bd906a0abf3de5f1e72de9fe9cf92b643da3cea0378bbb062a43ab03e79d66dcf90af7be9001437dcddf69f8bd2ac589953e5f138

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