Analysis
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max time kernel
142s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
04-03-2023 08:02
Static task
static1
Behavioral task
behavioral1
Sample
42b73a725880a41150450f53c681a9e1.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
42b73a725880a41150450f53c681a9e1.exe
Resource
win10v2004-20230220-en
General
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Target
42b73a725880a41150450f53c681a9e1.exe
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Size
1.2MB
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MD5
42b73a725880a41150450f53c681a9e1
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SHA1
0fae6a0ac549aafcf6b9a203bca639aaec91e9ad
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SHA256
bc282c69e6f9c69b93651c0d399318577b6f9494c0b851eadb4a5b44bfef1262
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SHA512
76d157197995cea2fd7a0e340801762eed95e30c1e199d940de62546306a7cb6f0267cb6d37bff6d32b739ee5c643031f9e9ed748463d07e3f6cbb35ea94f0f5
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SSDEEP
12288:wmMOEAlI3MzSSV93ZCHcuB6XmKbxN4dAyIW6TmLmEfQ+DXtvb7sGpHXzFTg:w1YdSSI8sKsApmLyiXtvU+3zd
Malware Config
Extracted
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
Extracted
agenttesla
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$ - Email To:
[email protected]
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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 42b73a725880a41150450f53c681a9e1.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 42b73a725880a41150450f53c681a9e1.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 42b73a725880a41150450f53c681a9e1.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1288 set thread context of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4680 42b73a725880a41150450f53c681a9e1.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4680 42b73a725880a41150450f53c681a9e1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1288 wrote to memory of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 PID 1288 wrote to memory of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 PID 1288 wrote to memory of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 PID 1288 wrote to memory of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 PID 1288 wrote to memory of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 PID 1288 wrote to memory of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 PID 1288 wrote to memory of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 PID 1288 wrote to memory of 4680 1288 42b73a725880a41150450f53c681a9e1.exe 94 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 42b73a725880a41150450f53c681a9e1.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 42b73a725880a41150450f53c681a9e1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\42b73a725880a41150450f53c681a9e1.exe"C:\Users\Admin\AppData\Local\Temp\42b73a725880a41150450f53c681a9e1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\42b73a725880a41150450f53c681a9e1.exe"C:\Users\Admin\AppData\Local\Temp\42b73a725880a41150450f53c681a9e1.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4680
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\42b73a725880a41150450f53c681a9e1.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3