Analysis
- max time kernel
93s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
02/09/2024, 14:17
General
- Target b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe
- Size 752KB
- Sample240902-rlp9basbpp
- SHA256 b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.cup.org.pk
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Port
587
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Username
-
Password
Cup@123#
Extracted
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agenttesla
-
Protocol
smtp
-
Host
mail.cup.org.pk
-
Port
587
-
Username
-
Password
Cup@123#
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.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
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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\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\FqIjunRNR.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FqIjunRNR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D6B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"C:\Users\Admin\AppData\Local\Temp\b7d2cbbb89d8e19df00ca2912eed64113e334ae25e27151c384fe170f2d58def.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_g30riiu2.idu.ps1
tmp8D6B.tmp
memory/3824-8-0x00000000748EE000-0x00000000748EF000-memory.dmp
memory/3824-11-0x0000000005A80000-0x0000000005A8E000-memory.dmp
memory/3824-6-0x0000000005900000-0x000000000599C000-memory.dmp
memory/3824-7-0x0000000005A10000-0x0000000005A22000-memory.dmp
memory/3824-4-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3824-9-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3824-10-0x0000000005A70000-0x0000000005A78000-memory.dmp
memory/3824-5-0x0000000005840000-0x000000000584A000-memory.dmp
memory/3824-12-0x0000000006B70000-0x0000000006BF4000-memory.dmp
memory/3824-13-0x00000000090E0000-0x000000000917C000-memory.dmp
memory/3824-3-0x0000000005680000-0x0000000005712000-memory.dmp
memory/3824-2-0x0000000005CE0000-0x0000000006284000-memory.dmp
memory/3824-1-0x0000000000BE0000-0x0000000000CA0000-memory.dmp
memory/3824-49-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3824-0-0x00000000748EE000-0x00000000748EF000-memory.dmp
memory/3988-91-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3988-23-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3988-83-0x00000000073F0000-0x00000000073F8000-memory.dmp
memory/3988-81-0x0000000007310000-0x0000000007324000-memory.dmp
memory/3988-79-0x00000000072D0000-0x00000000072E1000-memory.dmp
memory/3988-22-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3988-72-0x0000000006F60000-0x0000000006F7E000-memory.dmp
memory/3988-74-0x0000000006F90000-0x0000000007033000-memory.dmp
memory/3988-53-0x0000000070F50000-0x0000000070F9C000-memory.dmp
memory/4412-46-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4412-84-0x0000000006290000-0x00000000062E0000-memory.dmp
memory/4920-47-0x00000000059B0000-0x0000000005D04000-memory.dmp
memory/4920-54-0x0000000070F50000-0x0000000070F9C000-memory.dmp
memory/4920-52-0x00000000063F0000-0x0000000006422000-memory.dmp
memory/4920-51-0x0000000005EB0000-0x0000000005EFC000-memory.dmp
memory/4920-50-0x0000000005E10000-0x0000000005E2E000-memory.dmp
memory/4920-76-0x0000000007140000-0x000000000715A000-memory.dmp
memory/4920-75-0x00000000077A0000-0x0000000007E1A000-memory.dmp
memory/4920-77-0x00000000071B0000-0x00000000071BA000-memory.dmp
memory/4920-78-0x00000000073C0000-0x0000000007456000-memory.dmp
memory/4920-25-0x0000000004E40000-0x0000000004E62000-memory.dmp
memory/4920-80-0x0000000007370000-0x000000000737E000-memory.dmp
memory/4920-37-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/4920-82-0x0000000007480000-0x000000000749A000-memory.dmp
memory/4920-36-0x0000000005760000-0x00000000057C6000-memory.dmp
memory/4920-21-0x0000000004F10000-0x0000000005538000-memory.dmp
memory/4920-90-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/4920-20-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/4920-19-0x00000000048A0000-0x00000000048D6000-memory.dmp
memory/4920-18-0x00000000748E0000-0x0000000075090000-memory.dmp