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Analysis
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max time kernel
126s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06/05/2024, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe
Resource
win7-20240221-en
General
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Target
4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe
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Size
2.2MB
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MD5
221bf8e90cf25e7e31a866ab1bc928bb
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SHA1
4e8d627a94ed76d4b9d1ea285fbccc71d5c08af5
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SHA256
4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43
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SHA512
725d532396eafeb349707f8a6dc4d0c47b752018ee82b3df6d4a51b4f46f7f1d1d018f5cfa2b78ea7d0b875d80b94f0ac74599f013cf1b8d11d2257d1e0cb795
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SSDEEP
49152:h3J5Uw2r7T6z+WH4EDm7bEbnitl9pdZU+SwQQYQmBP:H5Uwyiz+WHgPE78XdG+S5
Malware Config
Extracted
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
y[/wk46uE}y(|Xn[
Extracted
agenttesla
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
y[/wk46uE}y(|Xn[ - 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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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/4604-4-0x00000000065E0000-0x0000000006810000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-14-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-16-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-28-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-34-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-48-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-44-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-42-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-38-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-36-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-46-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-32-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-40-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-30-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-24-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-22-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-20-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-19-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-12-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-10-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-8-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-26-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-7-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-54-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-70-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-68-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-66-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-64-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-62-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-61-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-58-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-56-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-52-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 behavioral2/memory/4604-50-0x00000000065E0000-0x0000000006809000-memory.dmp family_zgrat_v1 -
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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 23 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4604 set thread context of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4280 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 4280 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe Token: SeDebugPrivilege 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe Token: SeDebugPrivilege 4280 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4604 wrote to memory of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90 PID 4604 wrote to memory of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90 PID 4604 wrote to memory of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90 PID 4604 wrote to memory of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90 PID 4604 wrote to memory of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90 PID 4604 wrote to memory of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90 PID 4604 wrote to memory of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90 PID 4604 wrote to memory of 4280 4604 4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe"C:\Users\Admin\AppData\Local\Temp\4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Users\Admin\AppData\Local\Temp\4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe"C:\Users\Admin\AppData\Local\Temp\4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4df5664d100141701b1dc83bd04dbf55233f5a5e8ae9a243f892da225d310e43.exe.log
Filesize805B
MD558a9108e39c2ea50e65c23be3a9407cf
SHA1fb21f7b9330aa1a77080a3243b81b49035102d7b
SHA2566049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b
SHA51293804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf