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Analysis
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max time kernel
91s -
max time network
69s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/10/2022, 22:18
Static task
static1
Behavioral task
behavioral1
Sample
TT Wire.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
TT Wire.exe
Resource
win10v2004-20220812-en
General
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Target
TT Wire.exe
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Size
872KB
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MD5
276ab8f48c98e1c60608ee43d1825eef
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SHA1
b13d5bc0386ee638eb2b4ba1708b6e3674e6eec9
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SHA256
f9aa683158e2b07e7fdef14d6cb9c9b8034714a460bf9df6f90c7e58e2b1d47d
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SHA512
696aaf81a04a6f1f5ceffdf49d14dcb66c79e718716c5b393b8d5e0ea3d77a91b68f38cd2708f6184b13964b034c840a00f4b73216b18f6dbbde339e9be806a8
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SSDEEP
12288:XHKQ4A7s08hR64ngp2NAxGNHXx2ACFw4uTjzWADqjJ5nH:XC08znHNAQdXxSLjrH
Malware Config
Extracted
Protocol: smtp- Host:
mail.bluemaster.es - Port:
587 - Username:
[email protected] - Password:
F5a&T4w&
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT Wire.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT Wire.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT Wire.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 112 set thread context of 912 112 TT Wire.exe 30 -
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.
pid Process 1072 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 112 TT Wire.exe 112 TT Wire.exe 912 TT Wire.exe 912 TT Wire.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 112 TT Wire.exe Token: SeDebugPrivilege 912 TT Wire.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 112 wrote to memory of 1072 112 TT Wire.exe 27 PID 112 wrote to memory of 1072 112 TT Wire.exe 27 PID 112 wrote to memory of 1072 112 TT Wire.exe 27 PID 112 wrote to memory of 1072 112 TT Wire.exe 27 PID 112 wrote to memory of 1020 112 TT Wire.exe 29 PID 112 wrote to memory of 1020 112 TT Wire.exe 29 PID 112 wrote to memory of 1020 112 TT Wire.exe 29 PID 112 wrote to memory of 1020 112 TT Wire.exe 29 PID 112 wrote to memory of 912 112 TT Wire.exe 30 PID 112 wrote to memory of 912 112 TT Wire.exe 30 PID 112 wrote to memory of 912 112 TT Wire.exe 30 PID 112 wrote to memory of 912 112 TT Wire.exe 30 PID 112 wrote to memory of 912 112 TT Wire.exe 30 PID 112 wrote to memory of 912 112 TT Wire.exe 30 PID 112 wrote to memory of 912 112 TT Wire.exe 30 PID 112 wrote to memory of 912 112 TT Wire.exe 30 PID 112 wrote to memory of 912 112 TT Wire.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT Wire.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 TT Wire.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\TT Wire.exe"C:\Users\Admin\AppData\Local\Temp\TT Wire.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BFKdBSyxg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF26B.tmp"2⤵
- Creates scheduled task(s)
PID:1072
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C:\Users\Admin\AppData\Local\Temp\TT Wire.exe"{path}"2⤵PID:1020
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C:\Users\Admin\AppData\Local\Temp\TT Wire.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:912
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5e5ee4a66b3892788edc55edbc6c8a4a3
SHA1de943b46ab2ca419ef36ce0deff7f09158646c7e
SHA256674ddecccac0c2e58536441eae165949259c0c45190d705c2a6e0104dc0be6b1
SHA5122fe2d2268c2940bba624b09a17604c3b1a02d3f26c7a1c6ec1e0a2ec760eb222287c6403e3bb21aec277415fcb7d8c2a5223f6bcf7509dd53baa35b0a11b05a5