Analysis
- max time kernel
138s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 11:15
General
- Target yWQK3JWrMiYdSNG.exe
- Size 632KB
- Sample240403-nch7vsch83
- SHA256 105c79d054029dcf3d38c5ba526dc7c111cc2e2e6fb2555a88c0820a6ba9eb52
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.funworld.co.id
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Port
587
-
Username
-
Password
fwp123mail
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.funworld.co.id
-
Port
587
-
Username
-
Password
fwp123mail
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SVxgdVWqIPqwco.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SVxgdVWqIPqwco" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39C8.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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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 --no-appcompat-clear --mojo-platform-channel-handle=3972 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
yWQK3JWrMiYdSNG.exe.log
__PSScriptPolicyTest_fw31x05z.4sa.ps1
tmp39C8.tmp
memory/1596-10-0x0000000008D60000-0x0000000008DFC000-memory.dmp
memory/1596-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp
memory/1596-5-0x0000000005430000-0x000000000543A000-memory.dmp
memory/1596-6-0x00000000059F0000-0x0000000005A04000-memory.dmp
memory/1596-7-0x0000000005A20000-0x0000000005A2A000-memory.dmp
memory/1596-8-0x0000000006630000-0x000000000663C000-memory.dmp
memory/1596-9-0x00000000066A0000-0x0000000006722000-memory.dmp
memory/1596-25-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/1596-0-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/1596-1-0x00000000008D0000-0x0000000000974000-memory.dmp
memory/1596-3-0x0000000005360000-0x00000000053F2000-memory.dmp
memory/1596-4-0x0000000005330000-0x0000000005340000-memory.dmp
memory/1596-19-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/2220-60-0x00000000066D0000-0x0000000006720000-memory.dmp
memory/2220-21-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2220-70-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/2220-24-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/2220-27-0x0000000005890000-0x00000000058F6000-memory.dmp
memory/2220-26-0x0000000005880000-0x0000000005890000-memory.dmp
memory/3836-15-0x0000000002580000-0x00000000025B6000-memory.dmp
memory/3836-57-0x0000000007810000-0x0000000007E8A000-memory.dmp
memory/3836-29-0x00000000056C0000-0x0000000005726000-memory.dmp
memory/3836-20-0x0000000004FF0000-0x0000000005618000-memory.dmp
memory/3836-39-0x00000000059D0000-0x0000000005D24000-memory.dmp
memory/3836-40-0x0000000005EB0000-0x0000000005ECE000-memory.dmp
memory/3836-41-0x0000000005F00000-0x0000000005F4C000-memory.dmp
memory/3836-42-0x0000000002640000-0x0000000002650000-memory.dmp
memory/3836-43-0x000000007F4B0000-0x000000007F4C0000-memory.dmp
memory/3836-44-0x0000000006E70000-0x0000000006EA2000-memory.dmp
memory/3836-45-0x0000000070B80000-0x0000000070BCC000-memory.dmp
memory/3836-55-0x0000000006470000-0x000000000648E000-memory.dmp
memory/3836-56-0x00000000070B0000-0x0000000007153000-memory.dmp
memory/3836-28-0x0000000005620000-0x0000000005642000-memory.dmp
memory/3836-58-0x00000000071C0000-0x00000000071DA000-memory.dmp
memory/3836-59-0x0000000007230000-0x000000000723A000-memory.dmp
memory/3836-18-0x0000000002640000-0x0000000002650000-memory.dmp
memory/3836-61-0x0000000007440000-0x00000000074D6000-memory.dmp
memory/3836-62-0x00000000073C0000-0x00000000073D1000-memory.dmp
memory/3836-63-0x00000000073F0000-0x00000000073FE000-memory.dmp
memory/3836-64-0x0000000007400000-0x0000000007414000-memory.dmp
memory/3836-65-0x0000000007500000-0x000000000751A000-memory.dmp
memory/3836-66-0x00000000074E0000-0x00000000074E8000-memory.dmp
memory/3836-69-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/3836-16-0x0000000074F00000-0x00000000756B0000-memory.dmp