Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17/05/2024, 14:46
Static task
static1
Behavioral task
behavioral1
Sample
500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe
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Size
375KB
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MD5
500ea89f7af90595e91e45d97fc0d06d
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SHA1
c14f0fe9b31e955a9f50aba6ccf2be726ba536b0
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SHA256
462f9d1b7703315479616fabe3f3228963ca332897ad5664959dd94aade43b1f
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SHA512
74f32b085b798e0336a0bb4e1f8581ab894e7ea36fd6be50122ecd34b567cd83387635acebaeab5666e7fc4b0888320637c2b6f00c37af4473df4adc6f3a2d68
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SSDEEP
6144:+XTcH1fu9uKdgSZvy4raeXjuMkqryNPs0tFoqn9onD4Epv:+D4fqRBdy4r3XyMb6U0tFx9onD4Eh
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.1and1.es - Port:
587 - Username:
[email protected] - Password:
elsecreto2019
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
resource yara_rule behavioral2/memory/1912-205-0x0000000000400000-0x0000000000436000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
pid Process 1912 InstallUtil.exe -
Loads dropped DLL 1 IoCs
pid Process 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4468 set thread context of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 1912 InstallUtil.exe 1912 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe Token: SeDebugPrivilege 1912 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4468 wrote to memory of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 PID 4468 wrote to memory of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 PID 4468 wrote to memory of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 PID 4468 wrote to memory of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 PID 4468 wrote to memory of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 PID 4468 wrote to memory of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 PID 4468 wrote to memory of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 PID 4468 wrote to memory of 1912 4468 500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe 97 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\500ea89f7af90595e91e45d97fc0d06d_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1912
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
41KB
MD55d4073b2eb6d217c19f2b22f21bf8d57
SHA1f0209900fbf08d004b886a0b3ba33ea2b0bf9da8
SHA256ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3
SHA5129ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159