Analysis
-
max time kernel
53s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
28-03-2023 17:22
Static task
static1
Behavioral task
behavioral1
Sample
swft copy $57,000.00.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
swft copy $57,000.00.exe
Resource
win10v2004-20230221-en
General
-
Target
swft copy $57,000.00.exe
-
Size
741KB
-
MD5
40077888e6bb26f772519a6ed8e503b4
-
SHA1
1b0026ac6a5a9ac704e211916f03dbf120529d0e
-
SHA256
33f7516da3fd501837bfd69123229607d900dabf2d94d4f140b613a39c740c92
-
SHA512
07411139bc664c2edb509b6461828fe7ec80ab209bfe9080a14c118cd39aeb9d7460a149184ced71b916c985e10fef7ad2942541f6d088422a32d99e8c0a126e
-
SSDEEP
12288:nNNnqMhbkNyVL5pDEgTw3pO1mNAecKyihZj9196hBCyeT:n7ndxkNOpD5c3pEFePyihihBCyeT
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.southernboilers.org - Port:
587 - Username:
[email protected] - Password:
Sksmoke2018# - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 swft copy $57,000.00.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 swft copy $57,000.00.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 swft copy $57,000.00.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1416 set thread context of 1816 1416 swft copy $57,000.00.exe 29 -
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 268 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1416 swft copy $57,000.00.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1416 swft copy $57,000.00.exe Token: SeDebugPrivilege 1816 swft copy $57,000.00.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1816 swft copy $57,000.00.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1416 wrote to memory of 268 1416 swft copy $57,000.00.exe 27 PID 1416 wrote to memory of 268 1416 swft copy $57,000.00.exe 27 PID 1416 wrote to memory of 268 1416 swft copy $57,000.00.exe 27 PID 1416 wrote to memory of 268 1416 swft copy $57,000.00.exe 27 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 PID 1416 wrote to memory of 1816 1416 swft copy $57,000.00.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 swft copy $57,000.00.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 swft copy $57,000.00.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\swft copy $57,000.00.exe"C:\Users\Admin\AppData\Local\Temp\swft copy $57,000.00.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TNjgjbsA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAA9.tmp"2⤵
- Creates scheduled task(s)
PID:268
-
-
C:\Users\Admin\AppData\Local\Temp\swft copy $57,000.00.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1816
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5b943581cbe39d6467f74382a97c0808f
SHA17e3ef98be6e1c5b09c6723ae3b32647c213b0fda
SHA256f9e67b919c0bd431de8e3a51e80cf3e2b3904bd102b6a2b3e2c89e9cfa8a8594
SHA512521dc4d4ce57dfead8db1c832cb80795a6e7e9cf33fa6d3039f6c2e5aa28d9ef2f0960d96719063bd0353fc207947264eb4f6ca5929efb45f8feb71fd8b52a16