Analysis
-
max time kernel
63s -
max time network
78s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-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
-
Target
qFbGYuKhG1.exe
-
Size
647KB
-
MD5
4f34b0b75d7b9ebf3fbd77915cba976f
-
SHA1
6b8a77a3a2c4a24c8ad7837fbf4c36e822953345
-
SHA256
7333b7b77d906d10a63058e19f45e6cacd7c0295b229910cf30e5449085b365f
-
SHA512
c378d935732dd002d850e207a74b7927924c26152e06250c9a02aca4c1e550953d9fd26d7d52566d7d51792a58177346eb2a3af7be2f737f06af2db259682ba3
-
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
-
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.
Processes:
qFbGYuKhG1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation qFbGYuKhG1.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 4636 svchost.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\"" qFbGYuKhG1.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 20 api.ipify.org 19 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
svchost.exedescription pid process target process PID 4636 set thread context of 2616 4636 svchost.exe jsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1924 timeout.exe -
Suspicious behavior: EnumeratesProcesses 47 IoCs
Processes:
qFbGYuKhG1.exesvchost.exepid process 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4436 qFbGYuKhG1.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe 4636 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
qFbGYuKhG1.exesvchost.exejsc.exedescription pid process Token: SeDebugPrivilege 4436 qFbGYuKhG1.exe Token: SeDebugPrivilege 4636 svchost.exe Token: SeDebugPrivilege 2616 jsc.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
qFbGYuKhG1.execmd.execmd.exesvchost.exedescription pid process target process PID 4436 wrote to memory of 4872 4436 qFbGYuKhG1.exe cmd.exe PID 4436 wrote to memory of 4872 4436 qFbGYuKhG1.exe cmd.exe PID 4436 wrote to memory of 4040 4436 qFbGYuKhG1.exe cmd.exe PID 4436 wrote to memory of 4040 4436 qFbGYuKhG1.exe cmd.exe PID 4040 wrote to memory of 1924 4040 cmd.exe timeout.exe PID 4040 wrote to memory of 1924 4040 cmd.exe timeout.exe PID 4872 wrote to memory of 4780 4872 cmd.exe schtasks.exe PID 4872 wrote to memory of 4780 4872 cmd.exe schtasks.exe PID 4040 wrote to memory of 4636 4040 cmd.exe svchost.exe PID 4040 wrote to memory of 4636 4040 cmd.exe svchost.exe PID 4636 wrote to memory of 4344 4636 svchost.exe cvtres.exe PID 4636 wrote to memory of 4344 4636 svchost.exe cvtres.exe PID 4636 wrote to memory of 4304 4636 svchost.exe ngentask.exe PID 4636 wrote to memory of 4304 4636 svchost.exe ngentask.exe PID 4636 wrote to memory of 4584 4636 svchost.exe csc.exe PID 4636 wrote to memory of 4584 4636 svchost.exe csc.exe PID 4636 wrote to memory of 1356 4636 svchost.exe SMSvcHost.exe PID 4636 wrote to memory of 1356 4636 svchost.exe SMSvcHost.exe PID 4636 wrote to memory of 2252 4636 svchost.exe dfsvc.exe PID 4636 wrote to memory of 2252 4636 svchost.exe dfsvc.exe PID 4636 wrote to memory of 1988 4636 svchost.exe DataSvcUtil.exe PID 4636 wrote to memory of 1988 4636 svchost.exe DataSvcUtil.exe PID 4636 wrote to memory of 4740 4636 svchost.exe ilasm.exe PID 4636 wrote to memory of 4740 4636 svchost.exe ilasm.exe PID 4636 wrote to memory of 1420 4636 svchost.exe ServiceModelReg.exe PID 4636 wrote to memory of 1420 4636 svchost.exe ServiceModelReg.exe PID 4636 wrote to memory of 2748 4636 svchost.exe aspnet_wp.exe PID 4636 wrote to memory of 2748 4636 svchost.exe aspnet_wp.exe PID 4636 wrote to memory of 3244 4636 svchost.exe RegSvcs.exe PID 4636 wrote to memory of 3244 4636 svchost.exe RegSvcs.exe PID 4636 wrote to memory of 4464 4636 svchost.exe mscorsvw.exe PID 4636 wrote to memory of 4464 4636 svchost.exe mscorsvw.exe PID 4636 wrote to memory of 3108 4636 svchost.exe aspnet_regsql.exe PID 4636 wrote to memory of 3108 4636 svchost.exe aspnet_regsql.exe PID 4636 wrote to memory of 2616 4636 svchost.exe jsc.exe PID 4636 wrote to memory of 2616 4636 svchost.exe jsc.exe PID 4636 wrote to memory of 2616 4636 svchost.exe jsc.exe PID 4636 wrote to memory of 2616 4636 svchost.exe jsc.exe PID 4636 wrote to memory of 2616 4636 svchost.exe jsc.exe PID 4636 wrote to memory of 2616 4636 svchost.exe jsc.exe PID 4636 wrote to memory of 2616 4636 svchost.exe jsc.exe PID 4636 wrote to memory of 2616 4636 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.
-
outlook_office_path 1 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\qFbGYuKhG1.exe"C:\Users\Admin\AppData\Local\Temp\qFbGYuKhG1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
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)
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB098.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
-
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
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"4⤵
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"4⤵
-
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
-
C:\Users\Admin\AppData\Local\Temp\tmpB098.tmp.batFilesize
151B
MD524910e0984352cdd0a504fdbd7fb6260
SHA13786bccffa094d613cd45c7d0e52845be6db3c54
SHA256a0b0eac72f12a108a54af40cd0ca3db696fd76987b68c3beb8087120ff541ee5
SHA512754905a490a1d0f0685e343cb51e256871d46732ea9e38b71886074206e549f33d8eaa40351834e5830542cfd85d5c093bb63db2a8d78fc8bdc093d2c0ee7638
-
C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
647KB
MD54f34b0b75d7b9ebf3fbd77915cba976f
SHA16b8a77a3a2c4a24c8ad7837fbf4c36e822953345
SHA2567333b7b77d906d10a63058e19f45e6cacd7c0295b229910cf30e5449085b365f
SHA512c378d935732dd002d850e207a74b7927924c26152e06250c9a02aca4c1e550953d9fd26d7d52566d7d51792a58177346eb2a3af7be2f737f06af2db259682ba3
-
C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
647KB
MD54f34b0b75d7b9ebf3fbd77915cba976f
SHA16b8a77a3a2c4a24c8ad7837fbf4c36e822953345
SHA2567333b7b77d906d10a63058e19f45e6cacd7c0295b229910cf30e5449085b365f
SHA512c378d935732dd002d850e207a74b7927924c26152e06250c9a02aca4c1e550953d9fd26d7d52566d7d51792a58177346eb2a3af7be2f737f06af2db259682ba3
-
memory/2616-147-0x0000000005520000-0x0000000005AC4000-memory.dmpFilesize
5.6MB
-
memory/2616-145-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/2616-148-0x0000000004EE0000-0x0000000004F46000-memory.dmpFilesize
408KB
-
memory/2616-149-0x0000000004ED0000-0x0000000004EE0000-memory.dmpFilesize
64KB
-
memory/2616-150-0x00000000068D0000-0x0000000006962000-memory.dmpFilesize
584KB
-
memory/2616-151-0x00000000068A0000-0x00000000068AA000-memory.dmpFilesize
40KB
-
memory/2616-152-0x0000000006AC0000-0x0000000006B10000-memory.dmpFilesize
320KB
-
memory/2616-153-0x0000000006CF0000-0x0000000006EB2000-memory.dmpFilesize
1.8MB
-
memory/2616-154-0x0000000004ED0000-0x0000000004EE0000-memory.dmpFilesize
64KB
-
memory/4436-136-0x0000017ECD330000-0x0000017ECD34E000-memory.dmpFilesize
120KB
-
memory/4436-135-0x0000017EE75A0000-0x0000017EE75B0000-memory.dmpFilesize
64KB
-
memory/4436-134-0x0000017ECEBC0000-0x0000017ECEC36000-memory.dmpFilesize
472KB
-
memory/4436-133-0x0000017ECCF20000-0x0000017ECCFC4000-memory.dmpFilesize
656KB