b83462b8922a0950e9375b6cde29598d0a740b98a30c1178ecc3945a052f5f74

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2022 15:41

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General

Target

VIOLETMAN BOTNET.exe
Size

440KB
MD5

e8a8b0d94a2815277c8926454b8506ff
SHA1

0fae661a4d1e25d9e5ba845f0dfffe1e306c2126
SHA256

b83462b8922a0950e9375b6cde29598d0a740b98a30c1178ecc3945a052f5f74
SHA512

68eaf0265cc26aacdc6a464a990088f67483d387d55defd9135d734e996c61deb7cb2912c861621ef3fa4914c95288d4da8e3243cb4dc3e8fb9fca943411d6c6
SSDEEP

12288:+WnxfgsRL4u/1AlLK6FRY2n8OPKxGvYmB:txgsRftD0C2nKG

Score

6^/10

collection

Malware Config

Signatures

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 4348	2500	VIOLETMAN BOTNET.exe	82

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

System Information Discovery
T1082

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	24	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2500	VIOLETMAN BOTNET.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 4348	2500	VIOLETMAN BOTNET.exe	82
PID 2500 wrote to memory of 4348	2500	VIOLETMAN BOTNET.exe	82
PID 2500 wrote to memory of 4348	2500	VIOLETMAN BOTNET.exe	82
PID 2500 wrote to memory of 4348	2500	VIOLETMAN BOTNET.exe	82
PID 2500 wrote to memory of 4348	2500	VIOLETMAN BOTNET.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\VIOLETMAN BOTNET.exe
"C:\Users\Admin\AppData\Local\Temp\VIOLETMAN BOTNET.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - outlook_office_path
  - outlook_win_path
  PID:4348

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4348-135-0x0000000001150000-0x00000000011B6000-memory.dmp

Filesize
408KB

Download
memory/4348-136-0x0000000005790000-0x000000000582C000-memory.dmp

Filesize
624KB

Download