Analysis
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max time kernel
131s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 23:41
Static task
static1
Behavioral task
behavioral1
Sample
f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe
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Size
1.1MB
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MD5
f716b9d1dfef7d20b0afc1b4084f39b6
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SHA1
01536c02c2e8b232a36cf338c3f1007774830702
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SHA256
18a2826ae0c8ce3e76a5cb806e89d0070f70cc372cf37468721b8caf8529f401
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SHA512
ac69e2ff2f18462cd251bee3c9667e794f2156ab89cd57ca73603c308fe298a2b9f20d262161a2ba4d098ec0ba49b08dcc033d6373c4d6f27763c9ddf446b782
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SSDEEP
24576:qTiZucOaCrYz4jEmW/g+bRrSPMzIW3C453xSo4uKNPlS:CcyrKmW/PFSPNU53xUPA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.totallyanonymous.com - Port:
587 - Username:
[email protected] - Password:
572h094S - 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
resource yara_rule behavioral2/memory/1136-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4496 set thread context of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1216 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 1136 MSBuild.exe 1136 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe Token: SeDebugPrivilege 1136 MSBuild.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4496 wrote to memory of 1216 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 99 PID 4496 wrote to memory of 1216 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 99 PID 4496 wrote to memory of 1216 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 99 PID 4496 wrote to memory of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 PID 4496 wrote to memory of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 PID 4496 wrote to memory of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 PID 4496 wrote to memory of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 PID 4496 wrote to memory of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 PID 4496 wrote to memory of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 PID 4496 wrote to memory of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 PID 4496 wrote to memory of 1136 4496 f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe 101 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QauPVUBK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1216
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1136
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4668,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:81⤵PID:4820
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5640162fed915ffd2d785182d0dbbb58c
SHA1d92d5887cb03cbb41f6ffa233facad84de7daace
SHA25650034bef2f7defe2247c541d398193231ef3a8ef02481391c4cd12aecf2b8f7d
SHA5125535da0c53034114b49852f83c3e2152e178e88fc220f8df21844106976ceef7b1d66645b5b9a29184f564211aa4ccbc36b5df5af40aca1f64d49beca1102492