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Analysis
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max time kernel
47s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/01/2023, 07:32
Static task
static1
Behavioral task
behavioral1
Sample
2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Resource
win10v2004-20221111-en
General
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Target
2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
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Size
943KB
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MD5
21e603ea77b316cce2ec68a44cd735c7
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SHA1
2bc285f3a8bd60f55bd659b360b1c77eab820b5e
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SHA256
221a81d66ccd5492f313733aca66534af9350f427c50a6b30c7a65dce1ea0fbb
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SHA512
0256baa5a9e545d3936e98a77eebdaa457aaa78c25c2c9717762d2fbaa103ab26f45bb93164a40374ec0b324b538c42992440ffda7df89b8bef621d2a694b39e
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SSDEEP
12288:ziWHxYV/jqmkMD2DExj6L+lMBebblLTMGa9EDL9y3r9FibYjIaCJVbDGo:ztHxYgExj6L+lMBebbRMCD7sjIxJDv
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
host39.registrar-servers.com - Port:
587 - Username:
[email protected] - Password:
payment 12345
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.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 2036 set thread context of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.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 1748 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 1348 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 1348 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 1348 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe Token: SeDebugPrivilege 1348 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1748 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 28 PID 2036 wrote to memory of 1748 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 28 PID 2036 wrote to memory of 1748 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 28 PID 2036 wrote to memory of 1748 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 28 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 PID 2036 wrote to memory of 1348 2036 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe"C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CDNABzJvQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp622D.tmp"2⤵
- Creates scheduled task(s)
PID:1748
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C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1348
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5640988d3c03a120d142c778a0e26c836
SHA1abe36376824f4210c02f49acb5a9d541b7ee56eb
SHA2569f6caf9fd0bdee83ead4668231aaa46575eeff4662e2cabb6f8e8b3113c76424
SHA5126713de5c14158a99450d4d780d86a335643c4714c9987d0ecb67f7d5b237f6346200271b0aacf8b688f55bd69b108f2d1ba39df517f6922ec496ecd1583502b6