Analysis
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max time kernel
42s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
30-03-2023 12:50
Static task
static1
Behavioral task
behavioral1
Sample
qFbGYuKhG1.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
qFbGYuKhG1.exe
Resource
win10v2004-20230220-en
General
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Target
qFbGYuKhG1.exe
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Size
647KB
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MD5
4f34b0b75d7b9ebf3fbd77915cba976f
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SHA1
6b8a77a3a2c4a24c8ad7837fbf4c36e822953345
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SHA256
7333b7b77d906d10a63058e19f45e6cacd7c0295b229910cf30e5449085b365f
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SHA512
c378d935732dd002d850e207a74b7927924c26152e06250c9a02aca4c1e550953d9fd26d7d52566d7d51792a58177346eb2a3af7be2f737f06af2db259682ba3
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SSDEEP
12288:MQw8m/eoBcBWYwywwpyuTdHEnyzW8M1s9d8fYf9/Ksq/KsI/Ksp:qNBcBWYYwD+KW8HkMtio5
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.kumbarasigorta.com - Port:
587 - Username:
ceren@kumbarasigorta.com - Password:
Ceren1234. - Email To:
jodyfuller356@gmail.com
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 1708 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1184 cmd.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
qFbGYuKhG1.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\"" qFbGYuKhG1.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
svchost.exedescription pid process target process PID 1708 set thread context of 892 1708 svchost.exe jsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2020 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
qFbGYuKhG1.exesvchost.exepid process 2044 qFbGYuKhG1.exe 1708 svchost.exe 1708 svchost.exe 1708 svchost.exe 1708 svchost.exe 1708 svchost.exe 1708 svchost.exe 1708 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
qFbGYuKhG1.exesvchost.exejsc.exedescription pid process Token: SeDebugPrivilege 2044 qFbGYuKhG1.exe Token: SeDebugPrivilege 1708 svchost.exe Token: SeDebugPrivilege 892 jsc.exe -
Suspicious use of WriteProcessMemory 45 IoCs
Processes:
qFbGYuKhG1.execmd.execmd.exesvchost.exedescription pid process target process PID 2044 wrote to memory of 1952 2044 qFbGYuKhG1.exe cmd.exe PID 2044 wrote to memory of 1952 2044 qFbGYuKhG1.exe cmd.exe PID 2044 wrote to memory of 1952 2044 qFbGYuKhG1.exe cmd.exe PID 2044 wrote to memory of 1184 2044 qFbGYuKhG1.exe cmd.exe PID 2044 wrote to memory of 1184 2044 qFbGYuKhG1.exe cmd.exe PID 2044 wrote to memory of 1184 2044 qFbGYuKhG1.exe cmd.exe PID 1952 wrote to memory of 568 1952 cmd.exe schtasks.exe PID 1952 wrote to memory of 568 1952 cmd.exe schtasks.exe PID 1952 wrote to memory of 568 1952 cmd.exe schtasks.exe PID 1184 wrote to memory of 2020 1184 cmd.exe timeout.exe PID 1184 wrote to memory of 2020 1184 cmd.exe timeout.exe PID 1184 wrote to memory of 2020 1184 cmd.exe timeout.exe PID 1184 wrote to memory of 1708 1184 cmd.exe svchost.exe PID 1184 wrote to memory of 1708 1184 cmd.exe svchost.exe PID 1184 wrote to memory of 1708 1184 cmd.exe svchost.exe PID 1708 wrote to memory of 1452 1708 svchost.exe MSBuild.exe PID 1708 wrote to memory of 1452 1708 svchost.exe MSBuild.exe PID 1708 wrote to memory of 1452 1708 svchost.exe MSBuild.exe PID 1708 wrote to memory of 1512 1708 svchost.exe ngen.exe PID 1708 wrote to memory of 1512 1708 svchost.exe ngen.exe PID 1708 wrote to memory of 1512 1708 svchost.exe ngen.exe PID 1708 wrote to memory of 1688 1708 svchost.exe csc.exe PID 1708 wrote to memory of 1688 1708 svchost.exe csc.exe PID 1708 wrote to memory of 1688 1708 svchost.exe csc.exe PID 1708 wrote to memory of 1396 1708 svchost.exe aspnet_regsql.exe PID 1708 wrote to memory of 1396 1708 svchost.exe aspnet_regsql.exe PID 1708 wrote to memory of 1396 1708 svchost.exe aspnet_regsql.exe PID 1708 wrote to memory of 1328 1708 svchost.exe RegSvcs.exe PID 1708 wrote to memory of 1328 1708 svchost.exe RegSvcs.exe PID 1708 wrote to memory of 1328 1708 svchost.exe RegSvcs.exe PID 1708 wrote to memory of 1668 1708 svchost.exe Microsoft.Workflow.Compiler.exe PID 1708 wrote to memory of 1668 1708 svchost.exe Microsoft.Workflow.Compiler.exe PID 1708 wrote to memory of 1668 1708 svchost.exe Microsoft.Workflow.Compiler.exe PID 1708 wrote to memory of 1664 1708 svchost.exe ServiceModelReg.exe PID 1708 wrote to memory of 1664 1708 svchost.exe ServiceModelReg.exe PID 1708 wrote to memory of 1664 1708 svchost.exe ServiceModelReg.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe PID 1708 wrote to memory of 892 1708 svchost.exe jsc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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outlook_office_path 1 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe -
outlook_win_path 1 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\qFbGYuKhG1.exe"C:\Users\Admin\AppData\Local\Temp\qFbGYuKhG1.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'3⤵
- Creates scheduled task(s)
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpD89.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"4⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpD89.tmp.batFilesize
150B
MD5a03fbc7f247f18701078640aab9ef542
SHA15a8dab9097d3e2cf67b79f703af7f5b145fb59d9
SHA256a92a9263d3d021d735a8b09413ff8d1904020fb9ecff2c48590b6f31cd51c643
SHA512d83a3b7fd9a48a4db39d25d7fcbdcee7b0240c19771e5d6a27ab2a5b38257fbcdfee8fc7302cc779388b1c6d64709a92618f8e9f9c30e37d3cd596796c2557c4
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C:\Users\Admin\AppData\Local\Temp\tmpD89.tmp.batFilesize
150B
MD5a03fbc7f247f18701078640aab9ef542
SHA15a8dab9097d3e2cf67b79f703af7f5b145fb59d9
SHA256a92a9263d3d021d735a8b09413ff8d1904020fb9ecff2c48590b6f31cd51c643
SHA512d83a3b7fd9a48a4db39d25d7fcbdcee7b0240c19771e5d6a27ab2a5b38257fbcdfee8fc7302cc779388b1c6d64709a92618f8e9f9c30e37d3cd596796c2557c4
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
647KB
MD54f34b0b75d7b9ebf3fbd77915cba976f
SHA16b8a77a3a2c4a24c8ad7837fbf4c36e822953345
SHA2567333b7b77d906d10a63058e19f45e6cacd7c0295b229910cf30e5449085b365f
SHA512c378d935732dd002d850e207a74b7927924c26152e06250c9a02aca4c1e550953d9fd26d7d52566d7d51792a58177346eb2a3af7be2f737f06af2db259682ba3
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
647KB
MD54f34b0b75d7b9ebf3fbd77915cba976f
SHA16b8a77a3a2c4a24c8ad7837fbf4c36e822953345
SHA2567333b7b77d906d10a63058e19f45e6cacd7c0295b229910cf30e5449085b365f
SHA512c378d935732dd002d850e207a74b7927924c26152e06250c9a02aca4c1e550953d9fd26d7d52566d7d51792a58177346eb2a3af7be2f737f06af2db259682ba3
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\Users\Admin\AppData\Roaming\svchost.exeFilesize
647KB
MD54f34b0b75d7b9ebf3fbd77915cba976f
SHA16b8a77a3a2c4a24c8ad7837fbf4c36e822953345
SHA2567333b7b77d906d10a63058e19f45e6cacd7c0295b229910cf30e5449085b365f
SHA512c378d935732dd002d850e207a74b7927924c26152e06250c9a02aca4c1e550953d9fd26d7d52566d7d51792a58177346eb2a3af7be2f737f06af2db259682ba3
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memory/892-72-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/892-74-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/892-76-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/892-77-0x0000000004D70000-0x0000000004DB0000-memory.dmpFilesize
256KB
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memory/892-78-0x0000000004D70000-0x0000000004DB0000-memory.dmpFilesize
256KB
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memory/1708-70-0x0000000000980000-0x0000000000A24000-memory.dmpFilesize
656KB
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memory/1708-71-0x00000000004D0000-0x0000000000550000-memory.dmpFilesize
512KB
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memory/2044-56-0x00000000021B0000-0x000000000221E000-memory.dmpFilesize
440KB
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memory/2044-55-0x0000000002250000-0x00000000022D0000-memory.dmpFilesize
512KB
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memory/2044-54-0x0000000000D00000-0x0000000000DA4000-memory.dmpFilesize
656KB