Analysis
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max time kernel
139s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 07:43
Static task
static1
Behavioral task
behavioral1
Sample
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
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Size
723KB
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MD5
1c83d78c1969a7ebc3deaa1990c9dc9e
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SHA1
2918dc3b764c8c60d0fb64f8bc54bf4f92ba1f0f
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SHA256
c39785b91858501d961c57f85b4c28fc6e674fc68f40244ecbc649870fa749ad
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SHA512
9250a4adf4f43ba422988acbf8447133890b0cbfb650e2ac3e9d7a4a5892c0c2bb61801a156450440c20f1017b68d7a2aca907e15372fc631d983eb59d7d4b4b
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SSDEEP
12288:QoQEWqEtJPwMSrmNeJgfV3jPzt9eZaxFrPUuN+JQVU:FhEtJPFSr32fV3dAcx1PUuNfU
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.vivaldi.net - Port:
587 - Username:
[email protected] - Password:
K@maR1-2019Hotelss
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/1100-12-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exedescription pid process target process PID 3352 set thread context of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exepid process 1100 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1100 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exepid process 1100 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 1100 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exedescription pid process target process PID 3352 wrote to memory of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe PID 3352 wrote to memory of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe PID 3352 wrote to memory of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe PID 3352 wrote to memory of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe PID 3352 wrote to memory of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe PID 3352 wrote to memory of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe PID 3352 wrote to memory of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe PID 3352 wrote to memory of 1100 3352 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe -
outlook_office_path 1 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe -
outlook_win_path 1 IoCs
Processes:
1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe.logFilesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
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memory/1100-19-0x0000000006710000-0x0000000006776000-memory.dmpFilesize
408KB
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memory/1100-18-0x0000000005D40000-0x0000000005D58000-memory.dmpFilesize
96KB
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memory/1100-12-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1100-24-0x00000000057F0000-0x0000000005800000-memory.dmpFilesize
64KB
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memory/1100-23-0x0000000006880000-0x00000000068D0000-memory.dmpFilesize
320KB
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memory/1100-22-0x00000000057F0000-0x0000000005800000-memory.dmpFilesize
64KB
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memory/1100-21-0x0000000074EA0000-0x0000000075650000-memory.dmpFilesize
7.7MB
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memory/1100-17-0x00000000057F0000-0x0000000005800000-memory.dmpFilesize
64KB
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memory/1100-16-0x0000000074EA0000-0x0000000075650000-memory.dmpFilesize
7.7MB
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memory/1100-25-0x00000000057F0000-0x0000000005800000-memory.dmpFilesize
64KB
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memory/3352-8-0x0000000074EA0000-0x0000000075650000-memory.dmpFilesize
7.7MB
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memory/3352-1-0x0000000074EA0000-0x0000000075650000-memory.dmpFilesize
7.7MB
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memory/3352-10-0x00000000070B0000-0x0000000007136000-memory.dmpFilesize
536KB
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memory/3352-15-0x0000000074EA0000-0x0000000075650000-memory.dmpFilesize
7.7MB
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memory/3352-9-0x0000000005BA0000-0x0000000005BB0000-memory.dmpFilesize
64KB
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memory/3352-3-0x0000000005900000-0x0000000005992000-memory.dmpFilesize
584KB
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memory/3352-2-0x0000000005E10000-0x00000000063B4000-memory.dmpFilesize
5.6MB
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memory/3352-6-0x00000000058C0000-0x00000000058CA000-memory.dmpFilesize
40KB
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memory/3352-7-0x00000000052F0000-0x0000000005304000-memory.dmpFilesize
80KB
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memory/3352-0-0x0000000000E40000-0x0000000000EFC000-memory.dmpFilesize
752KB
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memory/3352-5-0x0000000005BA0000-0x0000000005BB0000-memory.dmpFilesize
64KB
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memory/3352-4-0x00000000059A0000-0x0000000005A3C000-memory.dmpFilesize
624KB
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memory/3352-11-0x0000000007130000-0x000000000716C000-memory.dmpFilesize
240KB