f4b8876d0421a1d904d6bba62ed2ea0e966b33527e19a87603ffc5e76dd98450

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2022 06:50

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General

Target

41d43bd130d961af9030daaec5e1d4a1.exe
Size

440KB
MD5

41d43bd130d961af9030daaec5e1d4a1
SHA1

bf3b957d6b9048e2a627aa49f3f6676c575fd1c0
SHA256

f4b8876d0421a1d904d6bba62ed2ea0e966b33527e19a87603ffc5e76dd98450
SHA512

bee98d39a9a25cbddb702e12d5ee2deb28bf0e160c5b3bc65015ccde5cfa73e08c7fdc661b880a51dc6e0051f6d5b3b4bfed020c4ee534834425e05c1a7aecc5

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 552 set thread context of 1276	552	41d43bd130d961af9030daaec5e1d4a1.exe	81

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	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
552	41d43bd130d961af9030daaec5e1d4a1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 1276	552	41d43bd130d961af9030daaec5e1d4a1.exe	81
PID 552 wrote to memory of 1276	552	41d43bd130d961af9030daaec5e1d4a1.exe	81
PID 552 wrote to memory of 1276	552	41d43bd130d961af9030daaec5e1d4a1.exe	81
PID 552 wrote to memory of 1276	552	41d43bd130d961af9030daaec5e1d4a1.exe	81
PID 552 wrote to memory of 1276	552	41d43bd130d961af9030daaec5e1d4a1.exe	81

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\41d43bd130d961af9030daaec5e1d4a1.exe
"C:\Users\Admin\AppData\Local\Temp\41d43bd130d961af9030daaec5e1d4a1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552
- 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:1276

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/1276-135-0x0000000000D00000-0x0000000000D66000-memory.dmp

Filesize
408KB

Download
memory/1276-136-0x0000000005530000-0x00000000055CC000-memory.dmp

Filesize
624KB

Download