Analysis
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max time kernel
97s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 00:59
Static task
static1
Behavioral task
behavioral1
Sample
Swift_098845.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Swift_098845.exe
Resource
win10v2004-20220414-en
General
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Target
Swift_098845.exe
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Size
445KB
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MD5
233b33cb478e8e8d1a75543f039024b8
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SHA1
8d72b67ea52e0927d03d00d168bd8065fd5211c2
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SHA256
dfca8cf09994229afec678b5c279d247e3e69c45f2878f816025b4933f3bc3b0
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SHA512
c2acf510e40a9efefdc7c6ca1bf8574258c343adda592412c97946c33bcd02541a82bd682253e7d348ffe2ac7254c2db01d37c07609f354068fa8608e711d95e
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
ImSCJnu6
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
ImSCJnu6
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/392-135-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Swift_098845.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation Swift_098845.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:
Swift_098845.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift_098845.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift_098845.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift_098845.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Swift_098845.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" Swift_098845.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Swift_098845.exedescription pid process target process PID 3764 set thread context of 392 3764 Swift_098845.exe Swift_098845.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 4 IoCs
Processes:
Swift_098845.exeSwift_098845.exepid process 3764 Swift_098845.exe 3764 Swift_098845.exe 392 Swift_098845.exe 392 Swift_098845.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Swift_098845.exepid process 392 Swift_098845.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Swift_098845.exeSwift_098845.exedescription pid process Token: SeDebugPrivilege 3764 Swift_098845.exe Token: SeDebugPrivilege 392 Swift_098845.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Swift_098845.exeSwift_098845.exedescription pid process target process PID 3764 wrote to memory of 3812 3764 Swift_098845.exe schtasks.exe PID 3764 wrote to memory of 3812 3764 Swift_098845.exe schtasks.exe PID 3764 wrote to memory of 3812 3764 Swift_098845.exe schtasks.exe PID 3764 wrote to memory of 632 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 632 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 632 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 392 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 392 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 392 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 392 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 392 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 392 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 392 3764 Swift_098845.exe Swift_098845.exe PID 3764 wrote to memory of 392 3764 Swift_098845.exe Swift_098845.exe PID 392 wrote to memory of 444 392 Swift_098845.exe netsh.exe PID 392 wrote to memory of 444 392 Swift_098845.exe netsh.exe PID 392 wrote to memory of 444 392 Swift_098845.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
Swift_098845.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift_098845.exe -
outlook_win_path 1 IoCs
Processes:
Swift_098845.exedescription 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 Swift_098845.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Swift_098845.exe"C:\Users\Admin\AppData\Local\Temp\Swift_098845.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\AlgdnhUnFZq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2124.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Swift_098845.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Swift_098845.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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_v2.0_32\UsageLogs\Swift_098845.exe.logFilesize
496B
MD5cb76b18ebed3a9f05a14aed43d35fba6
SHA1836a4b4e351846fca08b84149cb734cb59b8c0d6
SHA2568d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349
SHA5127631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c
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C:\Users\Admin\AppData\Local\Temp\tmp2124.tmpFilesize
1KB
MD5dc03e582f4dd56134b7dbf0baaddbe72
SHA11c883c1b1784c8fd7c19d58925853e07c3099d27
SHA2567d863fe7e5a14fa492484e6187fc65be23b3418fb62a78c2c29331ed875930df
SHA512b22059aab0af7f4b2d57d3408c15a92a0d40592ec1f747900e7bab7ac3e489c396fd3af66e7f8b5876f926d2a1c49f4f0efed8688ecf0b10da12c4acff06a6f1
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memory/392-134-0x0000000000000000-mapping.dmp
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memory/392-135-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/392-137-0x0000000074690000-0x0000000074C41000-memory.dmpFilesize
5.7MB
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memory/444-138-0x0000000000000000-mapping.dmp
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memory/632-133-0x0000000000000000-mapping.dmp
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memory/3764-130-0x0000000074690000-0x0000000074C41000-memory.dmpFilesize
5.7MB
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memory/3812-131-0x0000000000000000-mapping.dmp