d12d66c29aab99e084b97a06fe4c18823cf7639c3015043775c1755bd5953428

Analysis

max time kernel
149s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06-02-2023 21:58

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General

Target

Bedless Client/mods.json
Size

6KB
MD5

652d7c025a5a0f77ad9a579583deae24
SHA1

d5048d928ca0e3b36b030f34cfd3db6e241f689b
SHA256

9b763d0a4916342f92d16a1f94edfc3ef9b7db8172133e9a0f3e6c12a7bcbd80
SHA512

ca982098ef6cebecc432ebf4a18b06d185b98dec498f5ecfe6c766232ade7f82d6e28a9f34edddab1265e3d828dc0b82071dfa1226f6330efe1b1a11a370796c
SSDEEP

96:HT96ODaaV/FJw7kXQS5nhsIZjuFtsUNLtdAyiyPvLtZ:Hk2VN6KQAhHjuFtsUZjViyPDD

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 760	1768	cmd.exe	28
PID 1768 wrote to memory of 760	1768	cmd.exe	28
PID 1768 wrote to memory of 760	1768	cmd.exe	28
PID 760 wrote to memory of 892	760	rundll32.exe	29
PID 760 wrote to memory of 892	760	rundll32.exe	29
PID 760 wrote to memory of 892	760	rundll32.exe	29
PID 760 wrote to memory of 892	760	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Bedless Client\mods.json"
1⤵
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Bedless Client\mods.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:760
- - 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\Bedless Client\mods.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/892-82-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1768-54-0x000007FEFC591000-0x000007FEFC593000-memory.dmp

Filesize
8KB

Download