7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7 | Triage

Analysis

max time kernel
110s
max time network
48s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 10:30

Sharing

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General

Target

7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe
Size

1.7MB
MD5

3105ff0da15084f3d6496bdff22544c9
SHA1

43d169e19ac3e9bd602136bb3230159df5015b6d
SHA256

7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7
SHA512

47287af8ccb92a873fa56dc697b371bcc31fc29ab9b3b89a1ccb6fec2a2713557a6f6ea35fcb9f9c0dd8e1f6679465368ef2ee61e1e8df30b8e0c35c936afd75

Score

7^/10

collection spyware stealer

Malware Config

Signatures

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe

description	pid	process	target process
PID 1740 set thread context of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

952 RegAsm.exe
952 RegAsm.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe

pid	process
1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe
1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 952 RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe

pid	process
1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe
1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe
1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe

pid	process
1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe
1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe
1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe

description	pid	process	target process
PID 1740 wrote to memory of 364	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 364	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 364	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 364	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 364	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 364	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 364	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe
PID 1740 wrote to memory of 952	1740	7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe
"C:\Users\Admin\AppData\Local\Temp\7984f74486d3ea0408c80b7474d555b4a2fe5cc9982d8468bd3887a8dbef22b7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
  2⤵
  PID:364
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/952-56-0x0000000000446F8E-mapping.dmp

Download
memory/952-59-0x0000000074590000-0x0000000074B3B000-memory.dmp

Filesize
5.7MB

Download
memory/1740-54-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1740-55-0x0000000000810000-0x0000000000856000-memory.dmp

Filesize
280KB

Download
memory/1740-58-0x0000000000860000-0x00000000008A6000-memory.dmp

Filesize
280KB

Download