Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 01:33
Static task
static1
Behavioral task
behavioral1
Sample
f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe
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Size
685KB
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MD5
f935b6c7f24be477a23044fa9a9dc9a5
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SHA1
e67fb9bcf9975e0c6c4122ec7b25e61de6d1ba24
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SHA256
4827c1bdf5000cc8fc280fa631d36c752d0cdd7b0b357671ef1ebc46a11c440f
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SHA512
4b9587402b0f2e99af2aeec67307db55c0323228b8e863506f52b7d8d612aa3fdef4104ded5f5adbff7c546a2e91f558c45080f45b80fbf51ee98baeefc9dd34
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SSDEEP
12288:8Bszn2zd6HX+qs+WWhRmmXikb0iTvDcicTB4vs8w:2mnAd6OqszYRmsXb0iTrcVyvs8w
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.karsanmax.com - Port:
587 - Username:
[email protected] - Password:
erk#bmc2007 - 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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AgentTesla payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2280-3-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exedescription pid process target process PID 1680 set thread context of 2280 1680 f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 2280 MSBuild.exe 2280 MSBuild.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exepid process 1680 f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 2280 MSBuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 2280 MSBuild.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exedescription pid process target process PID 1680 wrote to memory of 2280 1680 f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe MSBuild.exe PID 1680 wrote to memory of 2280 1680 f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe MSBuild.exe PID 1680 wrote to memory of 2280 1680 f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe MSBuild.exe PID 1680 wrote to memory of 2280 1680 f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\f935b6c7f24be477a23044fa9a9dc9a5_JaffaCakes118.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2280
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1680-1-0x0000000000600000-0x0000000000700000-memory.dmpFilesize
1024KB
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memory/1680-2-0x00000000008B0000-0x00000000008B2000-memory.dmpFilesize
8KB
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memory/2280-3-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2280-4-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/2280-5-0x0000000005E20000-0x00000000063C4000-memory.dmpFilesize
5.6MB
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memory/2280-6-0x0000000005970000-0x0000000005A02000-memory.dmpFilesize
584KB
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memory/2280-7-0x00000000058E0000-0x00000000058F0000-memory.dmpFilesize
64KB
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memory/2280-8-0x0000000005BA0000-0x0000000005C3C000-memory.dmpFilesize
624KB
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memory/2280-9-0x0000000005B80000-0x0000000005B98000-memory.dmpFilesize
96KB
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memory/2280-10-0x0000000006910000-0x0000000006976000-memory.dmpFilesize
408KB
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memory/2280-11-0x0000000074790000-0x0000000074F40000-memory.dmpFilesize
7.7MB
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memory/2280-12-0x00000000058E0000-0x00000000058F0000-memory.dmpFilesize
64KB
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memory/2280-13-0x0000000006B80000-0x0000000006BD0000-memory.dmpFilesize
320KB
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memory/2280-14-0x0000000005E10000-0x0000000005E1A000-memory.dmpFilesize
40KB