Analysis
-
max time kernel
68s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
12/01/2023, 19:16
Static task
static1
Behavioral task
behavioral1
Sample
59f96b6392f723136ccad74732829f34ff4b9466.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
59f96b6392f723136ccad74732829f34ff4b9466.exe
Resource
win10v2004-20221111-en
General
-
Target
59f96b6392f723136ccad74732829f34ff4b9466.exe
-
Size
817KB
-
MD5
525d3818a894e22a88f2fa98ed14f3a1
-
SHA1
59f96b6392f723136ccad74732829f34ff4b9466
-
SHA256
7466aa2d482d74a4da0d1772009319a1507da78580178d9b2560586e53f99b74
-
SHA512
797ea3e75742bb4023cc52143b74eed20cbde8849391c38c4a99f7bcb98d3f6245f126d3ec5985d61185cc725a6a4d4f892e90e9bcd689f2695eb331b4ba69a2
-
SSDEEP
12288:3MUgbiZU6XgScm6mTGL0r/HXYxAWO2DPpfhdCsbxlZhhu6Y+9HvDZEYV0zMpz17i:LPXgVSTGLq/XYxAWFv4uD0
Malware Config
Extracted
Protocol: smtp- Host:
mail.qualitysolutions.co.in - Port:
587 - Username:
[email protected] - Password:
9873335231
Extracted
agenttesla
Protocol: smtp- Host:
mail.qualitysolutions.co.in - Port:
587 - Username:
[email protected] - Password:
9873335231 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yqWDN = "C:\\Users\\Admin\\AppData\\Roaming\\yqWDN\\yqWDN.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1628 set thread context of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1204 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 1236 RegSvcs.exe 1236 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe Token: SeDebugPrivilege 1236 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1628 wrote to memory of 1204 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 28 PID 1628 wrote to memory of 1204 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 28 PID 1628 wrote to memory of 1204 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 28 PID 1628 wrote to memory of 1204 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 28 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 PID 1628 wrote to memory of 1236 1628 59f96b6392f723136ccad74732829f34ff4b9466.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\59f96b6392f723136ccad74732829f34ff4b9466.exe"C:\Users\Admin\AppData\Local\Temp\59f96b6392f723136ccad74732829f34ff4b9466.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IFblStagVvJI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64FB.tmp"2⤵
- Creates scheduled task(s)
PID:1204
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1236
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5ca5e20a79b75e156e4556f2e02aa3b21
SHA1bdee02888163b969f9f5b90348c6aed9e1ec9bfe
SHA256e2f7ef96a62595f3fb7a873d2c6b993091b388d7cfb68c2615cab11e30bee10b
SHA512a6f67c5b7fe185913468d5af9b30918b68fa3bc3747848b3e99566b7bdb0ae7f931816934f1b9a90f52c3c2ccc7df3393f80149dcdeadb7a0484825816d23680