42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a

Analysis

max time kernel
45s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 08:56

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General

Target

42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a.exe
Size

64KB
MD5

9d5aff4fdf7d8786e4e600fc005a4472
SHA1

c99eede3f559d6fb3169afdabeff6cd9d24614d0
SHA256

42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a
SHA512

9fc4b2e33b5fedcd0791deab85ce094957955114266eac97a05c9f9df8d08c373d3b8f9916f3d248c3e0360b01c4479f025ff9895e42e4482932813f2efbe44c
SSDEEP

1536:xET64WKch3dQzOwtwSI3yHBUJu5OXIvzpjIp/3:xq64Wx3dmqSSyHBknGzpjA/3

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
764	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 1308 wrote to memory of 764	1308	42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a.exe	27
PID 1308 wrote to memory of 764	1308	42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a.exe	27
PID 1308 wrote to memory of 764	1308	42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a.exe	27
PID 1308 wrote to memory of 764	1308	42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a.exe	27

C:\Users\Admin\AppData\Local\Temp\42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a.exe
"C:\Users\Admin\AppData\Local\Temp\42df8d4438a967c6c6bb2dd1cdf267ea36adeb6086fd6be8921b525376f9cb4a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Ewb..bat" > nul 2> nul
  2⤵
  - Deletes itself
  PID:764

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\Ewb..bat

Filesize
274B

MD5
3d537edb65cd0a0b2704a6b563991969

SHA1
dbe87606c412be351865d176403d6006299d5048

SHA256
f0eb4b89b4fc06db3e28ab46390e56b4d4971c41f952701aa2dd0332f67bceec

SHA512
f0b91ac9b4cef4df89cdc1f024c4c7126f1a4d26e53b252059ee795669cb0ef9db958d6fd02b465cd6251e8431dd638ef987e96f5829d221b5f407a80d50142b

Download Submit
memory/1308-54-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1308-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1308-57-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1308-56-0x00000000002B0000-0x00000000002C8000-memory.dmp

Filesize
96KB

Download
memory/1308-59-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download