Analysis
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max time kernel
135s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02-04-2023 10:51
Static task
static1
Behavioral task
behavioral1
Sample
TT SWIFT COPY $37,000.00.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
TT SWIFT COPY $37,000.00.exe
Resource
win10v2004-20230220-en
General
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Target
TT SWIFT COPY $37,000.00.exe
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Size
725KB
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MD5
627d531f2361508ce6d650dfb74f50b7
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SHA1
74cdf31cf47ce5898fc6391bfdd1b8801bc2813f
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SHA256
fa1cb59a2e33d1b2256194f4741afc762ef819cf058614afd490f56e5e92bcd5
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SHA512
e13dc5bdf4e48cabdfe165fdad52c686d64d583e91d7251ea0b70d0437dd13be7fbbc56e5d81ae1647a6a04ff47a3c8aa84076ba5a049e907fa0dd02afa51066
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SSDEEP
12288:nUuXMbBzUnxUn7bNVVebMyywV42hhmihgMDdvqv96q6GmdEk9z:fXMbynWnlwVHh1hbdvq16qSmu
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.southernboilers.org - Port:
587 - Username:
info@southernboilers.org - Password:
Sksmoke2018# - Email To:
obtxxxtf@gmail.com
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
TT SWIFT COPY $37,000.00.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation TT SWIFT COPY $37,000.00.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
TT SWIFT COPY $37,000.00.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT SWIFT COPY $37,000.00.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT SWIFT COPY $37,000.00.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT SWIFT COPY $37,000.00.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 22 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
TT SWIFT COPY $37,000.00.exedescription pid process target process PID 380 set thread context of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
TT SWIFT COPY $37,000.00.exepid process 380 TT SWIFT COPY $37,000.00.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
TT SWIFT COPY $37,000.00.exeTT SWIFT COPY $37,000.00.exedescription pid process Token: SeDebugPrivilege 380 TT SWIFT COPY $37,000.00.exe Token: SeDebugPrivilege 2844 TT SWIFT COPY $37,000.00.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
TT SWIFT COPY $37,000.00.exepid process 2844 TT SWIFT COPY $37,000.00.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
TT SWIFT COPY $37,000.00.exedescription pid process target process PID 380 wrote to memory of 2432 380 TT SWIFT COPY $37,000.00.exe schtasks.exe PID 380 wrote to memory of 2432 380 TT SWIFT COPY $37,000.00.exe schtasks.exe PID 380 wrote to memory of 2432 380 TT SWIFT COPY $37,000.00.exe schtasks.exe PID 380 wrote to memory of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe PID 380 wrote to memory of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe PID 380 wrote to memory of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe PID 380 wrote to memory of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe PID 380 wrote to memory of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe PID 380 wrote to memory of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe PID 380 wrote to memory of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe PID 380 wrote to memory of 2844 380 TT SWIFT COPY $37,000.00.exe TT SWIFT COPY $37,000.00.exe -
outlook_office_path 1 IoCs
Processes:
TT SWIFT COPY $37,000.00.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT SWIFT COPY $37,000.00.exe -
outlook_win_path 1 IoCs
Processes:
TT SWIFT COPY $37,000.00.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT SWIFT COPY $37,000.00.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\TT SWIFT COPY $37,000.00.exe"C:\Users\Admin\AppData\Local\Temp\TT SWIFT COPY $37,000.00.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IkhnidnnYYPv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDBBF.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\TT SWIFT COPY $37,000.00.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TT SWIFT COPY $37,000.00.exe.logFilesize
1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
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C:\Users\Admin\AppData\Local\Temp\tmpDBBF.tmpFilesize
1KB
MD57e2721292259896e870ea2866fafa2ee
SHA1c39cd3f160005de3a9ba30635061a0dc39e33060
SHA25697a710950fa65534131dbe831aa77fc1b2c687839130a90152d262eb6502a386
SHA512319eb756f917797c5b065c2cf9b7110e631e96037c49843861786c85d7acc36138b2cdd2915b63946e9878109ab94cc70b82683bd21c2edd1f32dd200bcc2ee6
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memory/380-137-0x0000000005820000-0x000000000582A000-memory.dmpFilesize
40KB
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memory/380-134-0x0000000005710000-0x00000000057AC000-memory.dmpFilesize
624KB
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memory/380-133-0x0000000000D10000-0x0000000000DCA000-memory.dmpFilesize
744KB
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memory/380-138-0x0000000005A40000-0x0000000005A96000-memory.dmpFilesize
344KB
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memory/380-139-0x0000000005B40000-0x0000000005B50000-memory.dmpFilesize
64KB
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memory/380-140-0x0000000005B40000-0x0000000005B50000-memory.dmpFilesize
64KB
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memory/380-135-0x0000000005DC0000-0x0000000006364000-memory.dmpFilesize
5.6MB
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memory/380-136-0x00000000058B0000-0x0000000005942000-memory.dmpFilesize
584KB
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memory/2844-144-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/2844-147-0x0000000004F40000-0x0000000004FA6000-memory.dmpFilesize
408KB
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memory/2844-148-0x0000000005230000-0x0000000005240000-memory.dmpFilesize
64KB
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memory/2844-149-0x0000000005230000-0x0000000005240000-memory.dmpFilesize
64KB
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memory/2844-150-0x00000000069F0000-0x0000000006A40000-memory.dmpFilesize
320KB
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memory/2844-151-0x0000000006D30000-0x0000000006EF2000-memory.dmpFilesize
1.8MB