280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768 | Triage

Analysis

max time kernel
114s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 10:37

Sharing

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General

Target

280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
Size

1.4MB
MD5

86f075418b4a2548a7d74ea35e2e237e
SHA1

0a1d40d105164a3a95d398c6ebdbaf701feabc09
SHA256

280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768
SHA512

48d721bc13b3d1424e5082ab5e25b8dd27c5a7cebcb6b8b32acc58428d243410050b66af98adb067a3c5c996681ae1377017a26c77d22b516b33343737dd980e

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-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe

description	pid	process	target process
PID 1256 set thread context of 3368	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

3368 RegAsm.exe
3368 RegAsm.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe

pid	process
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 3368 RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe

pid	process
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe

pid	process
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe

description	pid	process	target process
PID 1256 wrote to memory of 3236	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3236	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3236	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 1180	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 1180	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 1180	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3868	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3868	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3868	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3368	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3368	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3368	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe
PID 1256 wrote to memory of 3368	1256	280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\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-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe
"C:\Users\Admin\AppData\Local\Temp\280aeae432031afd88c1e72db036aebb6aee5d466bd6b9a69b5f82f41b302768.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
2⤵
PID:3236

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
2⤵
PID:1180

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
2⤵
PID:3868

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:3368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1256-130-0x0000000003930000-0x0000000003976000-memory.dmp

Filesize
280KB

Download
memory/1256-132-0x0000000003810000-0x0000000003856000-memory.dmp

Filesize
280KB

Download
memory/3368-131-0x0000000000000000-mapping.dmp

Download
memory/3368-133-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download