Analysis
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max time kernel
123s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2023 10:44
Static task
static1
Behavioral task
behavioral1
Sample
payment overdue (2).exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
payment overdue (2).exe
Resource
win10v2004-20231127-en
General
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Target
payment overdue (2).exe
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Size
837KB
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MD5
13e7ae190b0ab1250c199ac339217231
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SHA1
625b25670a86a8b9a7808d226919dec2a224339f
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SHA256
951f66b51f796de5f9298aa1f97c49e392083f6b570fb31df72610999fb50769
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SHA512
4eda095b17e782f4cc8ed58379d1787928e4fb32899069c48fbddc972e203c61cb93d9ffd1d7fb5220c7da3614814a75f7f42068480d707f60f1a8f11a2e438e
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SSDEEP
12288:yvmSJD+IFgicSDKNfGAIko3cajHh84/dUNMgBe9+hXpKm0qE+Fq:YmSJD1ZctNbIko3c684KiKhXQ2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bezzleauto.com - Port:
587 - Username:
[email protected] - Password:
kex#-rHjHM4qKk52 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
payment overdue (2).exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Control Panel\International\Geo\Nation payment overdue (2).exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
payment overdue (2).exedescription pid process target process PID 4676 set thread context of 3096 4676 payment overdue (2).exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1148 3096 WerFault.exe RegSvcs.exe -
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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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exepowershell.exepayment overdue (2).exeRegSvcs.exepid process 2644 powershell.exe 4120 powershell.exe 4676 payment overdue (2).exe 4676 payment overdue (2).exe 2644 powershell.exe 4120 powershell.exe 3096 RegSvcs.exe 3096 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exepowershell.exepayment overdue (2).exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 4120 powershell.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 4676 payment overdue (2).exe Token: SeDebugPrivilege 3096 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
payment overdue (2).exedescription pid process target process PID 4676 wrote to memory of 4120 4676 payment overdue (2).exe powershell.exe PID 4676 wrote to memory of 4120 4676 payment overdue (2).exe powershell.exe PID 4676 wrote to memory of 4120 4676 payment overdue (2).exe powershell.exe PID 4676 wrote to memory of 2644 4676 payment overdue (2).exe powershell.exe PID 4676 wrote to memory of 2644 4676 payment overdue (2).exe powershell.exe PID 4676 wrote to memory of 2644 4676 payment overdue (2).exe powershell.exe PID 4676 wrote to memory of 4564 4676 payment overdue (2).exe schtasks.exe PID 4676 wrote to memory of 4564 4676 payment overdue (2).exe schtasks.exe PID 4676 wrote to memory of 4564 4676 payment overdue (2).exe schtasks.exe PID 4676 wrote to memory of 1160 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 1160 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 1160 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 3096 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 3096 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 3096 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 3096 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 3096 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 3096 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 3096 4676 payment overdue (2).exe RegSvcs.exe PID 4676 wrote to memory of 3096 4676 payment overdue (2).exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\payment overdue (2).exe"C:\Users\Admin\AppData\Local\Temp\payment overdue (2).exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4676 -
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\payment overdue (2).exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fiozYLdPAfrHi.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fiozYLdPAfrHi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp"2⤵
- Creates scheduled task(s)
PID:4564 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1160
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3096 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 14163⤵
- Program crash
PID:1148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3096 -ip 30961⤵PID:3020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
664B
MD53c8d235f682377b656a555559fb4b22c
SHA151bf82414f62b171a44ce68915ff375cb9380ba8
SHA256a757ae3620d47b3545c4572e61263a77d0e8efd36577a5099115908d86f29e36
SHA512012e3a4fa57bd457972aa6e4cc459a190c4786aa63942271a10d44cf59db46a2907135a323a557e9ef9746194cf879df59cb1863460a56f46cff717c126e340e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD581ced40541bf24bbf6fa11dd18f990a1
SHA11a3f809507f88130a270868e224332d7b55c8d63
SHA2565ad5273d8ec0807dc75395ab17fb687d7bc602f39f81f20926b0602b40cb31e4
SHA512d63c108d0c304bc97ff6400862b14370ff86b7e3240447ef46f23b76b3c1ceaa4bc34b463d9620d8378533923106c50304ead6bc97f6bebbee443233e86370fa