Analysis
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max time kernel
120s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
13-05-2024 23:10
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Invoices 388382.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Proforma Invoices 388382.exe
Resource
win10v2004-20240508-en
General
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Target
Proforma Invoices 388382.exe
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Size
248KB
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MD5
e2e2483cbb49aceb57866f248537a32e
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SHA1
7865c3376d7381b90efc2525edaeba2fdcf5dd79
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SHA256
08503937d0b31fcc3e8410bb75291a864bf698adb08b34d0172c67979378d1dc
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SHA512
842214f9ef70d61c15288665382ca90e7855fb56f451af4fb273c7ad8df3ca1d0a5370c0cd3f4b610e3c4ebe82627eb98839c58152b2bd511e0ce9907637557e
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SSDEEP
3072:Mzca1dPK29ddNnCDDRvLGyrOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/SPYm21KB:MzcaCKstvLGxOLbMUsK68H
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
YuWsikfV67lD - 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 behavioral1/memory/1848-3-0x00000000088C0000-0x0000000008AF0000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-7-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-4-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-5-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-9-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-11-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-13-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-15-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-17-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-19-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-21-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-23-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-25-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-27-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-29-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-31-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-33-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-35-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-37-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-39-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-41-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-45-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-47-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-49-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-51-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-43-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-53-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-55-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-57-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-59-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-61-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-63-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-67-0x00000000088C0000-0x0000000008AE9000-memory.dmp family_zgrat_v1 behavioral1/memory/1848-65-0x00000000088C0000-0x0000000008AE9000-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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe" Proforma Invoices 388382.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 3 api.ipify.org 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1848 set thread context of 2612 1848 Proforma Invoices 388382.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2612 Proforma Invoices 388382.exe 2612 Proforma Invoices 388382.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1848 Proforma Invoices 388382.exe Token: SeDebugPrivilege 1848 Proforma Invoices 388382.exe Token: SeDebugPrivilege 2612 Proforma Invoices 388382.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28 PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28 PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28 PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28 PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28 PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28 PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28 PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28 PID 1848 wrote to memory of 2612 1848 Proforma Invoices 388382.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoices 388382.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoices 388382.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\Proforma Invoices 388382.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoices 388382.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2612
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