Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03/04/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe
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Size
389KB
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MD5
a456262a3687a2e321a9c3405a60746b
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SHA1
e13ce926ba589227a0ea0699be6e05b8eb466245
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SHA256
a20d6f1b2ff848088c1a588170ad1a1d726af6bb6a929c31ddf4cfc0e9e76a5f
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SHA512
53fabf92479a8949006305e5aa0d21fac72db91f24ee78cfc51e8ab81de17ccc8d8b98a061be009b99ff85310ce9f66bb19c2239676383af41319fad913ea015
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SSDEEP
12288:sY/vGFNpOyMHBhqS4tP6qRlxq1EHHDR9LSB:7/uF33u3qSC5tjnuB
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
sg2plcpnl0023.prod.sin2.secureserver.net - Port:
587 - Username:
[email protected] - Password:
User@40378
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 5 IoCs
resource yara_rule behavioral1/memory/2816-9-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2816-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2816-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2816-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2816-13-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2528 set thread context of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 2816 RegSvcs.exe 2816 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe Token: SeDebugPrivilege 2816 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 PID 2528 wrote to memory of 2816 2528 a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2816
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