Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
12-12-2023 04:00
Static task
static1
Behavioral task
behavioral1
Sample
2vka.exe
Resource
win7-20231129-en
General
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Target
2vka.exe
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Size
647KB
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MD5
2fdc906a1378fb1b0fa02af9b1a34c47
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SHA1
9478eef6a6238e11248b4c7a1c0fb3943dc93600
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SHA256
97684fe0c1e526bbc522a12c9f56857a7702ec4d1dc0d1d27b9914fbd12122b8
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SHA512
38ab61ec176fd74f2e4a0403acdc1a2bae79721054a0f962a21665da0f2b42a503dd4b6864b1e3e7cf5f6a45abf15a9ef7de69cc0ab73bb3a35e66e87f73b35e
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SSDEEP
12288:9a3IU8S6eUdLj9oPGt//fU7RZ32wzEdpYvYZuOcprN6A730zbPbBi3e:9wItSAdLyGl/S12wzO2AZuBEA7kXP
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.paksafety-sa.com - Port:
587 - Username:
[email protected] - Password:
ifran@paksafety - 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 1 IoCs
resource yara_rule behavioral1/memory/2324-3-0x00000000004F0000-0x0000000000508000-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 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2324 set thread context of 2984 2324 2vka.exe 30 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2324 2vka.exe 2324 2vka.exe 2984 2vka.exe 2984 2vka.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2324 2vka.exe Token: SeDebugPrivilege 2984 2vka.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2324 wrote to memory of 2540 2324 2vka.exe 28 PID 2324 wrote to memory of 2540 2324 2vka.exe 28 PID 2324 wrote to memory of 2540 2324 2vka.exe 28 PID 2324 wrote to memory of 2540 2324 2vka.exe 28 PID 2324 wrote to memory of 1128 2324 2vka.exe 29 PID 2324 wrote to memory of 1128 2324 2vka.exe 29 PID 2324 wrote to memory of 1128 2324 2vka.exe 29 PID 2324 wrote to memory of 1128 2324 2vka.exe 29 PID 2324 wrote to memory of 2984 2324 2vka.exe 30 PID 2324 wrote to memory of 2984 2324 2vka.exe 30 PID 2324 wrote to memory of 2984 2324 2vka.exe 30 PID 2324 wrote to memory of 2984 2324 2vka.exe 30 PID 2324 wrote to memory of 2984 2324 2vka.exe 30 PID 2324 wrote to memory of 2984 2324 2vka.exe 30 PID 2324 wrote to memory of 2984 2324 2vka.exe 30 PID 2324 wrote to memory of 2984 2324 2vka.exe 30 PID 2324 wrote to memory of 2984 2324 2vka.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2vka.exe"C:\Users\Admin\AppData\Local\Temp\2vka.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Users\Admin\AppData\Local\Temp\2vka.exe"C:\Users\Admin\AppData\Local\Temp\2vka.exe"2⤵PID:2540
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C:\Users\Admin\AppData\Local\Temp\2vka.exe"C:\Users\Admin\AppData\Local\Temp\2vka.exe"2⤵PID:1128
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C:\Users\Admin\AppData\Local\Temp\2vka.exe"C:\Users\Admin\AppData\Local\Temp\2vka.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2984
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