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Analysis
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max time kernel
140s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
23/01/2024, 14:28
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.DropperX-gen.18290.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Win32.DropperX-gen.18290.exe
Resource
win10v2004-20231215-en
General
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Target
SecuriteInfo.com.Win32.DropperX-gen.18290.exe
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Size
149KB
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MD5
c8f0a0467f93a78e0fbbafe91d60be91
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SHA1
e98b43e8c0cf076ba250f764885fbffc9e5fcaf6
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SHA256
9749e1e9a73aa3bad510d2bde35e011e00283aa46443ad86ade820b560ade944
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SHA512
cb86f8c76f45af544845ab1b9186e48cb8fe8a14b4f75f1e56bfdb570c9f873f90baa16648d614e0d45c54022a04ca2e6cffed9d3aa6866807f977e524efc232
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SSDEEP
3072:Qecoqbo81ZvFe3sf8Y1DXylHyoWmbdyFQgrqyYTXrDD6vVT:Qectz1ZvFe3sf1XylSioFgTjq
Malware Config
Extracted
Protocol: smtp- Host:
server1.coleoffice.shop - Port:
587 - Username:
[email protected] - Password:
ABM!-_@9BG@_
Extracted
agenttesla
Protocol: smtp- Host:
server1.coleoffice.shop - Port:
587 - Username:
[email protected] - Password:
ABM!-_@9BG@_ - 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/3540-3-0x0000000005320000-0x00000000053CA000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-4-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-5-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-7-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-9-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-11-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-13-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-15-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-17-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-19-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-21-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-23-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-25-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-27-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-29-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-31-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-33-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-35-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-37-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-39-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-41-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-43-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-45-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-47-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-49-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-51-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-53-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-55-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-57-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-59-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-61-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-63-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-65-0x0000000005320000-0x00000000053C5000-memory.dmp family_zgrat_v1 behavioral2/memory/3540-67-0x0000000005320000-0x00000000053C5000-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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Juwgonk = "C:\\Users\\Admin\\AppData\\Roaming\\Juwgonk.exe" SecuriteInfo.com.Win32.DropperX-gen.18290.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 20 api.ipify.org 21 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3540 set thread context of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 324 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 324 SecuriteInfo.com.Win32.DropperX-gen.18290.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe Token: SeDebugPrivilege 324 SecuriteInfo.com.Win32.DropperX-gen.18290.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3540 wrote to memory of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88 PID 3540 wrote to memory of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88 PID 3540 wrote to memory of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88 PID 3540 wrote to memory of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88 PID 3540 wrote to memory of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88 PID 3540 wrote to memory of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88 PID 3540 wrote to memory of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88 PID 3540 wrote to memory of 324 3540 SecuriteInfo.com.Win32.DropperX-gen.18290.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.18290.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.18290.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.18290.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.18290.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:324
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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\SecuriteInfo.com.Win32.DropperX-gen.18290.exe.log
Filesize1KB
MD5c3941d9fa38f1717d5cecd7a2ca71667
SHA133b5362675383b58b4166ed9f9a61e5aa6768d2e
SHA256f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256
SHA51298f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45