c3b699aaaf2a476cf84ca13efd09ac86e66b501e3baaa5b0ef7cdabc47ee9ec1

Analysis

max time kernel
60s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
16/03/2021, 19:32

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General

Target
603afc39509ea12acf6ef69b94af3fad.exe
Size 1.1MB
Sample210316-psn431m6se
SHA256 c3b699aaaf2a476cf84ca13efd09ac86e66b501e3baaa5b0ef7cdabc47ee9ec1
MD5 603afc39509ea12acf6ef69b94af3fad
SHA1 8690249cb2040c7d32e09d8b84c888f0fd0c736f
SHA512 22dd13a57007a44ae01d2a8af2bf301f7387e08c8950f94e20ca5e7e9708c463a98fa5826a05b5e570b84377793db55b85d669216495c91ce2e39f9e01ad4f6d
MD5 SHA1 SHA512

Score

8^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
420	Volevo.exe.com
808	Volevo.exe.com

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	ip-api.com

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

System Information Discovery
T1082

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
4044	timeout.exe
1536	timeout.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
652	PING.EXE

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 744	4776	603afc39509ea12acf6ef69b94af3fad.exe	75
PID 4776 wrote to memory of 744	4776	603afc39509ea12acf6ef69b94af3fad.exe	75
PID 4776 wrote to memory of 744	4776	603afc39509ea12acf6ef69b94af3fad.exe	75
PID 4776 wrote to memory of 4300	4776	603afc39509ea12acf6ef69b94af3fad.exe	77
PID 4776 wrote to memory of 4300	4776	603afc39509ea12acf6ef69b94af3fad.exe	77
PID 4776 wrote to memory of 4300	4776	603afc39509ea12acf6ef69b94af3fad.exe	77
PID 4300 wrote to memory of 3272	4300	cmd.exe	79
PID 4300 wrote to memory of 3272	4300	cmd.exe	79
PID 4300 wrote to memory of 3272	4300	cmd.exe	79
PID 3272 wrote to memory of 2808	3272	cmd.exe	80
PID 3272 wrote to memory of 2808	3272	cmd.exe	80
PID 3272 wrote to memory of 2808	3272	cmd.exe	80
PID 3272 wrote to memory of 420	3272	cmd.exe	81
PID 3272 wrote to memory of 420	3272	cmd.exe	81
PID 3272 wrote to memory of 420	3272	cmd.exe	81
PID 3272 wrote to memory of 652	3272	cmd.exe	82
PID 3272 wrote to memory of 652	3272	cmd.exe	82
PID 3272 wrote to memory of 652	3272	cmd.exe	82
PID 420 wrote to memory of 808	420	Volevo.exe.com	83
PID 420 wrote to memory of 808	420	Volevo.exe.com	83
PID 420 wrote to memory of 808	420	Volevo.exe.com	83
PID 808 wrote to memory of 1892	808	Volevo.exe.com	87
PID 808 wrote to memory of 1892	808	Volevo.exe.com	87
PID 808 wrote to memory of 1892	808	Volevo.exe.com	87
PID 1892 wrote to memory of 4044	1892	cmd.exe	89
PID 1892 wrote to memory of 4044	1892	cmd.exe	89
PID 1892 wrote to memory of 4044	1892	cmd.exe	89
PID 808 wrote to memory of 3312	808	Volevo.exe.com	90
PID 808 wrote to memory of 3312	808	Volevo.exe.com	90
PID 808 wrote to memory of 3312	808	Volevo.exe.com	90
PID 3312 wrote to memory of 1536	3312	cmd.exe	92
PID 3312 wrote to memory of 1536	3312	cmd.exe	92
PID 3312 wrote to memory of 1536	3312	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\603afc39509ea12acf6ef69b94af3fad.exe
"C:\Users\Admin\AppData\Local\Temp\603afc39509ea12acf6ef69b94af3fad.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo mhVHg
  2⤵
  PID:744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Windows\system32\cmd.exe < Pei.xlt
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4300
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3272
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /V /R "^uBsSoIpvIJGhNuexkKusALItJzpkMYqewoXyccSsQnIMTBwgGzwgYfVcTjoOnYJKIEkEoXZPRPAweWkisVFzWMrMhBjojtSSPYrfdvyJzkvp$" Vai.xla
      4⤵
      PID:2808
  - - C:\Users\Admin\AppData\Roaming\UgwIPUUWRxfZSNm\Volevo.exe.com
      Volevo.exe.com A
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:420
    - - C:\Users\Admin\AppData\Roaming\UgwIPUUWRxfZSNm\Volevo.exe.com
        
        C:\Users\Admin\AppData\Roaming\UgwIPUUWRxfZSNm\Volevo.exe.com A
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:808
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\tbyqnucfa & timeout 2 & del /f /q "C:\Users\Admin\AppData\Roaming\UgwIPUUWRxfZSNm\Volevo.exe.com"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:1892
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout 2
        7⤵
        Delays execution with timeout.exe
        
        PID:4044
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\tbyqnucfa & timeout 2 & del /f /q "C:\Users\Admin\AppData\Roaming\UgwIPUUWRxfZSNm\Volevo.exe.com"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:3312
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout 2
        7⤵
        Delays execution with timeout.exe
        
        PID:1536
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 30
      4⤵
      Runs ping.exe
      PID:652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/808-16-0x0000000001870000-0x0000000001871000-memory.dmp

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