e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b

Analysis

max time kernel
46s
max time network
55s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 23:20

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General

Target

e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.exe
Size

559KB
MD5

0b6f019dfba8b53f8b53000e738f7000
SHA1

779e1a5f6f881c68605fcb5954fd64a93e45d835
SHA256

e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b
SHA512

f051606872dc6f38d8c354b62235093f78e6652b32a4e5240704e7ec84412307389408989ef09f71ef1b6b368e32f38ebf030b4ca3ed58f6581633a78f70da7c
SSDEEP

12288:DEvln7lT4VXb+XOeYnghAHRWC4DR3aJc9VI1kfgjdkAx:QvrTmXaXOebUsR3cc9VjgjT

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
612	mrf.exe

Loads dropped DLL 2 IoCs

pid	Process
2020	e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.exe
2020	e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.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 612	2020	e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.exe	28
PID 2020 wrote to memory of 612	2020	e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.exe	28
PID 2020 wrote to memory of 612	2020	e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.exe	28
PID 2020 wrote to memory of 612	2020	e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.exe	28

C:\Users\Admin\AppData\Local\Temp\e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.exe
"C:\Users\Admin\AppData\Local\Temp\e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Roaming\mrf.exe
  "C:\Users\Admin\AppData\Roaming\mrf.exe"
  2⤵
  - Executes dropped EXE
  PID:612

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\Roaming\mrf.exe

Filesize
559KB

MD5
0b6f019dfba8b53f8b53000e738f7000

SHA1
779e1a5f6f881c68605fcb5954fd64a93e45d835

SHA256
e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b

SHA512
f051606872dc6f38d8c354b62235093f78e6652b32a4e5240704e7ec84412307389408989ef09f71ef1b6b368e32f38ebf030b4ca3ed58f6581633a78f70da7c

Download Submit
\Users\Admin\AppData\Roaming\mrf.exe

Filesize
559KB

MD5
0b6f019dfba8b53f8b53000e738f7000

SHA1
779e1a5f6f881c68605fcb5954fd64a93e45d835

SHA256
e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b

SHA512
f051606872dc6f38d8c354b62235093f78e6652b32a4e5240704e7ec84412307389408989ef09f71ef1b6b368e32f38ebf030b4ca3ed58f6581633a78f70da7c

Download Submit
\Users\Admin\AppData\Roaming\mrf.exe

Filesize
559KB

MD5
0b6f019dfba8b53f8b53000e738f7000

SHA1
779e1a5f6f881c68605fcb5954fd64a93e45d835

SHA256
e8eaf42688c3c7114032c03275b44d7272b084ea565c642f05d40cf1fbb93d1b

SHA512
f051606872dc6f38d8c354b62235093f78e6652b32a4e5240704e7ec84412307389408989ef09f71ef1b6b368e32f38ebf030b4ca3ed58f6581633a78f70da7c

Download Submit
memory/2020-54-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

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