02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe

Analysis

max time kernel
45s
max time network
139s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 08:57

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General

Target

02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe.exe
Size

64KB
MD5

a420f9ca044c493919b4054c6ffdc870
SHA1

ed39b918f4f349ec5c65d9ab8c42261fff8627e6
SHA256

02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe
SHA512

a32818f4d7dedbfb2c68e4560e77f096ccc9fd8b4bc4e6d4151f41c770110d3095ffb5cfff3181410f7a5d01baf931e0bddfde00a4a98dbcc1f1bb5b4333d9f3
SSDEEP

1536:xET64WKch3dQzOwtwSI3yHBUJu5OXIvzpjIp/L:xq64Wx3dmqSSyHBknGzpjA/L

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1192	cmd.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1192	2020	02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe.exe	28
PID 2020 wrote to memory of 1192	2020	02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe.exe	28
PID 2020 wrote to memory of 1192	2020	02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe.exe	28
PID 2020 wrote to memory of 1192	2020	02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe.exe	28

C:\Users\Admin\AppData\Local\Temp\02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe.exe
"C:\Users\Admin\AppData\Local\Temp\02ef4243c21ba64d3622b0cdba21a598ca12da3b5fe5d5ba0e3871471e1cdcfe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Bvz..bat" > nul 2> nul
  2⤵
  - Deletes itself
  PID:1192

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

C:\Users\Admin\AppData\Local\Temp\Bvz..bat

Filesize
274B

MD5
13b151243eedd16a881a83a56552b15d

SHA1
447e9251f9ccf463b78bb928836591c1c9413675

SHA256
9198eb5528920e83769dda2b502cbebcadb7d3aa3757f757571d7a13d1951aac

SHA512
7ca0afca46548bbc78159d023fdd4c6d2166e9f819c6b745e3a400d9126abef3ef867d306fdc3649e28ea626895cc9ccac0d914ecd115c04ece1d40aa2ff8c41

Download Submit
memory/2020-54-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2020-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/2020-56-0x00000000002B0000-0x00000000002C8000-memory.dmp

Filesize
96KB

Download
memory/2020-57-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2020-59-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download