Analysis
- max time kernel
91s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
19/04/2022, 07:04
Static task
static1
Behavioral task
behavioral1
Sample
Swift Copy.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Swift Copy.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target Swift Copy.exe
- Size 786KB
- Sample220419-hvxv3sdfe7
- SHA256 e9bd3df24e3beacf41ddecf97a34c5cfdd696ad9d58e3fbe79dbea8f88487ad5
- MD5 ed6b17793a48cce9afdac74213fbac7a
- SHA1 a75f16d0f9aa9e4229f4975be1920677a4fa175c
- SHA512 3266302fd7edb80eb92420260170405ad3580bd9b304a70a73d3276fe465789270421ff69836f87c6873b9c775ef266f6450c34d80d59d8c7cd2fda430038fc8
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
webmail.mdist.us
-
Port
587
-
Username
-
Password
Jobs#4321
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
webmail.mdist.us
-
Port
587
-
Username
-
Password
Jobs#4321
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 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation Swift Copy.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tbKkO = "C:\\Users\\Admin\\AppData\\Roaming\\tbKkO\\tbKkO.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4552 set thread context of 4692 4552 Swift Copy.exe 85 - 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 4736 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4552 Swift Copy.exe 4692 RegSvcs.exe 4692 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4552 Swift Copy.exe Token: SeDebugPrivilege 4692 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4552 wrote to memory of 4736 4552 Swift Copy.exe 83 PID 4552 wrote to memory of 4736 4552 Swift Copy.exe 83 PID 4552 wrote to memory of 4736 4552 Swift Copy.exe 83 PID 4552 wrote to memory of 4692 4552 Swift Copy.exe 85 PID 4552 wrote to memory of 4692 4552 Swift Copy.exe 85 PID 4552 wrote to memory of 4692 4552 Swift Copy.exe 85 PID 4552 wrote to memory of 4692 4552 Swift Copy.exe 85 PID 4552 wrote to memory of 4692 4552 Swift Copy.exe 85 PID 4552 wrote to memory of 4692 4552 Swift Copy.exe 85 PID 4552 wrote to memory of 4692 4552 Swift Copy.exe 85 PID 4552 wrote to memory of 4692 4552 Swift Copy.exe 85 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YEyfAKXUWTdI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BA4.tmp"2⤵
- Creates scheduled task(s)
PID:4736
-
-
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:4692
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp2BA4.tmp
- Size 1KB
- SHA256 afaeee96b069b217660c68f87857079d1a50b21ebef7adf51346f8998115a5ad
- MD5 497a0dd4fca7d84861343896c39f9b39
- SHA1 95cd0a321c77410a3a6641b632b3a3904ae3a0b8
- SHA512 6615a4d0a763b9fd5095fb44a31dbf576ab142107e3775584a6611fa7b298a2250fab18ae634e6cd6f5947f0ab42b1aa05429e1fc7902a351a150b618d327e98
- MD5 SHA1 SHA512