Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 16:39
Static task
static1
Behavioral task
behavioral1
Sample
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe
Resource
win10v2004-20240412-en
General
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Target
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe
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Size
609KB
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MD5
4ac88ef7fe497d568f8c0256627f4f28
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SHA1
ed66aadb1b165388e5a132f43874f385db546379
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SHA256
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf
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SHA512
b20a18998275e42a27aa56ff0318e2a119b00a5ffee04898e42c25524ee4abf1e68952c97236d4ecafdd143a9912d87f15e463ea3e62ac1bc028e9bbac54fbab
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SSDEEP
12288:IxbVNv5uSru57PQFztYF2vLRHQ36D78MmeOZWczK3rlHxsKIy:IxRV5Lru57YF+iQe8MdM0JOy
Malware Config
Extracted
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101*
Extracted
agenttesla
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101* - 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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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0" svchost.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
Processes:
svchost.exe034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions svchost.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe -
Looks for VMWare Tools registry key 2 TTPs 2 IoCs
Processes:
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools svchost.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exesvchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exesvchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe Key value queried \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 3368 svchost.exe -
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exejsc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\"" 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\avdfUcC = "C:\\Users\\Admin\\AppData\\Roaming\\avdfUcC\\avdfUcC.exe" jsc.exe -
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.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 33 ip-api.com -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
svchost.exe034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
svchost.exedescription pid process target process PID 3368 set thread context of 4440 3368 svchost.exe jsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 448 timeout.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
Processes:
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exepowershell.exejsc.exepid process 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe 1000 powershell.exe 1000 powershell.exe 4440 jsc.exe 4440 jsc.exe 4440 jsc.exe 1000 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exesvchost.exepowershell.exejsc.exedescription pid process Token: SeDebugPrivilege 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe Token: SeDebugPrivilege 3368 svchost.exe Token: SeDebugPrivilege 1000 powershell.exe Token: SeDebugPrivilege 4440 jsc.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.execmd.execmd.exesvchost.exedescription pid process target process PID 4120 wrote to memory of 4236 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe cmd.exe PID 4120 wrote to memory of 4236 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe cmd.exe PID 4120 wrote to memory of 1692 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe cmd.exe PID 4120 wrote to memory of 1692 4120 034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe cmd.exe PID 1692 wrote to memory of 448 1692 cmd.exe timeout.exe PID 1692 wrote to memory of 448 1692 cmd.exe timeout.exe PID 4236 wrote to memory of 5004 4236 cmd.exe schtasks.exe PID 4236 wrote to memory of 5004 4236 cmd.exe schtasks.exe PID 1692 wrote to memory of 3368 1692 cmd.exe svchost.exe PID 1692 wrote to memory of 3368 1692 cmd.exe svchost.exe PID 3368 wrote to memory of 1000 3368 svchost.exe powershell.exe PID 3368 wrote to memory of 1000 3368 svchost.exe powershell.exe PID 3368 wrote to memory of 4440 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 4440 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 4440 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 4440 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 4440 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 4440 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 4440 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 4440 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 1700 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 1700 3368 svchost.exe jsc.exe PID 3368 wrote to memory of 1700 3368 svchost.exe jsc.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.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.
Processes
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C:\Users\Admin\AppData\Local\Temp\034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe"C:\Users\Admin\AppData\Local\Temp\034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4120 -
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
PID:4236 -
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)
PID:5004 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp34FA.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:448 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3368 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1000 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"4⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"4⤵PID:1700
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2bhqxfc5.4dk.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp34FA.tmp.batFilesize
151B
MD5ad5e482e21d2e16f894b6bdb6051fd81
SHA181d57bcbc444a9911163bbe86640834a5082c026
SHA256b26eaeffb512463116cc89448a6ba3c029f2113926619ccbce7bc1d7dcb8b3d3
SHA512ab093fdc582cb3d56a38a8b769122aff828cdcc5400c0c47bfb0df496c94283fa1709ec219b44b2c8befd2c0ddcd4d1c486de2110cb6f6e9d86f300b95bb2c3b
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
609KB
MD54ac88ef7fe497d568f8c0256627f4f28
SHA1ed66aadb1b165388e5a132f43874f385db546379
SHA256034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf
SHA512b20a18998275e42a27aa56ff0318e2a119b00a5ffee04898e42c25524ee4abf1e68952c97236d4ecafdd143a9912d87f15e463ea3e62ac1bc028e9bbac54fbab
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memory/1000-28-0x000001D2EA670000-0x000001D2EA680000-memory.dmpFilesize
64KB
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memory/1000-15-0x000001D2EA780000-0x000001D2EA7A2000-memory.dmpFilesize
136KB
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memory/1000-27-0x00007FF8B7330000-0x00007FF8B7DF1000-memory.dmpFilesize
10.8MB
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memory/1000-29-0x000001D2EA670000-0x000001D2EA680000-memory.dmpFilesize
64KB
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memory/1000-34-0x00007FF8B7330000-0x00007FF8B7DF1000-memory.dmpFilesize
10.8MB
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memory/3368-13-0x00007FF8B7330000-0x00007FF8B7DF1000-memory.dmpFilesize
10.8MB
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memory/3368-31-0x00007FF8B7330000-0x00007FF8B7DF1000-memory.dmpFilesize
10.8MB
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memory/4120-1-0x00007FF8B7660000-0x00007FF8B8121000-memory.dmpFilesize
10.8MB
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memory/4120-2-0x0000017AD4630000-0x0000017AD46C6000-memory.dmpFilesize
600KB
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memory/4120-0-0x0000017ABA1B0000-0x0000017ABA1BA000-memory.dmpFilesize
40KB
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memory/4120-3-0x0000017ABA5C0000-0x0000017ABA5D0000-memory.dmpFilesize
64KB
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memory/4120-8-0x00007FF8B7660000-0x00007FF8B8121000-memory.dmpFilesize
10.8MB
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memory/4440-14-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4440-30-0x0000000005810000-0x0000000005876000-memory.dmpFilesize
408KB
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memory/4440-16-0x0000000005DC0000-0x0000000006364000-memory.dmpFilesize
5.6MB
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memory/4440-41-0x00000000057E0000-0x00000000057F0000-memory.dmpFilesize
64KB
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memory/4440-36-0x0000000006D90000-0x0000000006DE0000-memory.dmpFilesize
320KB
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memory/4440-37-0x0000000006E80000-0x0000000006F1C000-memory.dmpFilesize
624KB
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memory/4440-38-0x00000000070C0000-0x0000000007152000-memory.dmpFilesize
584KB
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memory/4440-39-0x0000000007080000-0x000000000708A000-memory.dmpFilesize
40KB
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memory/4440-40-0x0000000074680000-0x0000000074E30000-memory.dmpFilesize
7.7MB
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memory/4440-17-0x0000000074680000-0x0000000074E30000-memory.dmpFilesize
7.7MB