1c5bf7e3edbccd4fe44d97baba8529438169f346769e109b2b660d1b45b2a02b

Analysis

max time kernel
145s
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, 01:16

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General

Target
a79e9aff885b5aa305517c3836d10be1.exe
Size 440KB
Sample220909-bmtp5adcek
SHA256 1c5bf7e3edbccd4fe44d97baba8529438169f346769e109b2b660d1b45b2a02b
MD5 a79e9aff885b5aa305517c3836d10be1
SHA1 a71d4faf5b3d863144d361129c4f52b6e66de27d
SHA512 d8d7f5ed21a3c76c6ffa430f44f964d76529fb31c6eb4a838b5b74265a5c989d239111b530fb3673358ef70fc0a51e6adb0630dca0fbfe72a66b9802d2d9fd4f
SSDEEP 12288:d8WnxfgsRL4u/1AlLK6FRY2n8OPKxGvYmB:dnxgsRftD0C2nKG
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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 2220 set thread context of 4868	2220	a79e9aff885b5aa305517c3836d10be1.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	20	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2220	a79e9aff885b5aa305517c3836d10be1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 4868	2220	a79e9aff885b5aa305517c3836d10be1.exe	82
PID 2220 wrote to memory of 4868	2220	a79e9aff885b5aa305517c3836d10be1.exe	82
PID 2220 wrote to memory of 4868	2220	a79e9aff885b5aa305517c3836d10be1.exe	82
PID 2220 wrote to memory of 4868	2220	a79e9aff885b5aa305517c3836d10be1.exe	82
PID 2220 wrote to memory of 4868	2220	a79e9aff885b5aa305517c3836d10be1.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\a79e9aff885b5aa305517c3836d10be1.exe
"C:\Users\Admin\AppData\Local\Temp\a79e9aff885b5aa305517c3836d10be1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220
- 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:4868

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/4868-135-0x0000000000D90000-0x0000000000DF6000-memory.dmp

Download

memory/4868-136-0x0000000005840000-0x00000000058DC000-memory.dmp