4aa5011c326557c30dd7ff7a0876db6d9015f9bcc1a2169fd6e28b2bcf233c06

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 03:59

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General

Target

reefer.dll
Size

100KB
MD5

3f5244090a5b3a807d59afbb50f3b529
SHA1

77d9d718b50673eb179adea0d4137bd0a931825e
SHA256

a389fafef3429061990ec264c0049e721b45ebffe07b0317f2e8155ebe2912d2
SHA512

9c3a6b43152d751fb5d3252111395ede7e5ef3e8c4e39d20f2d7424aa8f37858372d9846d3b4c7130ee563699b1ceb4323369995d2565e3d7b19ea48d55922f6
SSDEEP

3072:gYmAoaLe8QR3BQBVwutvDIZn3Gjlaqlx:doa6vVBiFIR36f

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1812	4832	WerFault.exe	84

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 4832	2288	rundll32.exe	84
PID 2288 wrote to memory of 4832	2288	rundll32.exe	84
PID 2288 wrote to memory of 4832	2288	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\reefer.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\reefer.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 568
    3⤵
    - Program crash
    PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4832 -ip 4832
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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