Analysis
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max time kernel
125s -
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
30-09-2024 17:34
Static task
static1
Behavioral task
behavioral1
Sample
124d33304829.124d33304847.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
124d33304829.124d33304847.pdf.exe
Resource
win10v2004-20240802-en
General
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Target
124d33304829.124d33304847.pdf.exe
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Size
766KB
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MD5
61cc67fc6107f2cc08444d2ad64912f8
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SHA1
356e95d3e1814859418a9bcad93508abb1309211
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SHA256
c7ee9124f10a69564f9f096cc641aaf1c005a5270c8b62781ab71ced91a941d2
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SHA512
f5afbff46989909790a7f2405af8e7010e3e5dac7dfac001e2d68d84215240a0b86a6f56ccf7a286509632de3bd96fb8d6d6c8624f75211c2b671e4678d00fd5
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SSDEEP
12288:G1ZF8K63T4C1YD9avcgbjy37yeWG2tDpmAxRa4frkbKBRnvP9:GyMKdyz5WFxJDkbepP
Malware Config
Extracted
Protocol: smtp- Host:
mail.musabody.com - Port:
587 - Username:
[email protected] - Password:
MUSAbody_victoria2018
Extracted
agenttesla
Protocol: smtp- Host:
mail.musabody.com - Port:
587 - Username:
[email protected] - Password:
MUSAbody_victoria2018 - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3148 powershell.exe -
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 124d33304829.124d33304847.pdf.exe -
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe" 124d33304829.124d33304847.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1500 set thread context of 2612 1500 124d33304829.124d33304847.pdf.exe 99 -
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 124d33304829.124d33304847.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 124d33304829.124d33304847.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1500 124d33304829.124d33304847.pdf.exe 1500 124d33304829.124d33304847.pdf.exe 1500 124d33304829.124d33304847.pdf.exe 2612 124d33304829.124d33304847.pdf.exe 2612 124d33304829.124d33304847.pdf.exe 2612 124d33304829.124d33304847.pdf.exe 3148 powershell.exe 3148 powershell.exe 3148 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1500 124d33304829.124d33304847.pdf.exe Token: SeDebugPrivilege 2612 124d33304829.124d33304847.pdf.exe Token: SeDebugPrivilege 3148 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2612 124d33304829.124d33304847.pdf.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1500 wrote to memory of 3148 1500 124d33304829.124d33304847.pdf.exe 97 PID 1500 wrote to memory of 3148 1500 124d33304829.124d33304847.pdf.exe 97 PID 1500 wrote to memory of 3148 1500 124d33304829.124d33304847.pdf.exe 97 PID 1500 wrote to memory of 2612 1500 124d33304829.124d33304847.pdf.exe 99 PID 1500 wrote to memory of 2612 1500 124d33304829.124d33304847.pdf.exe 99 PID 1500 wrote to memory of 2612 1500 124d33304829.124d33304847.pdf.exe 99 PID 1500 wrote to memory of 2612 1500 124d33304829.124d33304847.pdf.exe 99 PID 1500 wrote to memory of 2612 1500 124d33304829.124d33304847.pdf.exe 99 PID 1500 wrote to memory of 2612 1500 124d33304829.124d33304847.pdf.exe 99 PID 1500 wrote to memory of 2612 1500 124d33304829.124d33304847.pdf.exe 99 PID 1500 wrote to memory of 2612 1500 124d33304829.124d33304847.pdf.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\124d33304829.124d33304847.pdf.exe"C:\Users\Admin\AppData\Local\Temp\124d33304829.124d33304847.pdf.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:1500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\124d33304829.124d33304847.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3148
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C:\Users\Admin\AppData\Local\Temp\124d33304829.124d33304847.pdf.exe"C:\Users\Admin\AppData\Local\Temp\124d33304829.124d33304847.pdf.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2612
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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=3036,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=1288 /prefetch:81⤵PID:3492
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82