Analysis
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max time kernel
143s -
max time network
148s -
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 10:05
Static task
static1
Behavioral task
behavioral1
Sample
payment overdue (2).exe
Resource
win7-20231025-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-1-5-21-2037190880-819243489-950462038-1000\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 4876 set thread context of 5024 4876 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 2660 5024 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 12 IoCs
Processes:
powershell.exepowershell.exepayment overdue (2).exeRegSvcs.exepid process 1544 powershell.exe 2568 powershell.exe 4876 payment overdue (2).exe 4876 payment overdue (2).exe 4876 payment overdue (2).exe 4876 payment overdue (2).exe 4876 payment overdue (2).exe 4876 payment overdue (2).exe 5024 RegSvcs.exe 5024 RegSvcs.exe 2568 powershell.exe 1544 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exepowershell.exepayment overdue (2).exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 2568 powershell.exe Token: SeDebugPrivilege 4876 payment overdue (2).exe Token: SeDebugPrivilege 5024 RegSvcs.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
payment overdue (2).exedescription pid process target process PID 4876 wrote to memory of 1544 4876 payment overdue (2).exe powershell.exe PID 4876 wrote to memory of 1544 4876 payment overdue (2).exe powershell.exe PID 4876 wrote to memory of 1544 4876 payment overdue (2).exe powershell.exe PID 4876 wrote to memory of 2568 4876 payment overdue (2).exe powershell.exe PID 4876 wrote to memory of 2568 4876 payment overdue (2).exe powershell.exe PID 4876 wrote to memory of 2568 4876 payment overdue (2).exe powershell.exe PID 4876 wrote to memory of 4504 4876 payment overdue (2).exe schtasks.exe PID 4876 wrote to memory of 4504 4876 payment overdue (2).exe schtasks.exe PID 4876 wrote to memory of 4504 4876 payment overdue (2).exe schtasks.exe PID 4876 wrote to memory of 4568 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 4568 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 4568 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 4624 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 4624 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 4624 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 884 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 884 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 884 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 5024 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 5024 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 5024 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 5024 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 5024 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 5024 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 5024 4876 payment overdue (2).exe RegSvcs.exe PID 4876 wrote to memory of 5024 4876 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:4876 -
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:1544 -
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:2568 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fiozYLdPAfrHi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDDD.tmp"2⤵
- Creates scheduled task(s)
PID:4504 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:4568
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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:5024 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 14243⤵
- Program crash
PID:2660 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:884
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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⤵PID:4624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5024 -ip 50241⤵PID:1868
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
18KB
MD5d1febf7466a6644e3fb8444073e8b8a4
SHA139d5d6d0f254f3f3bf3b78b0b9431d334a312238
SHA2565c7f7c0ae1bd41de8cbc82de1a2fae4ee61cb8d1838139a9b663fcbb007bbc11
SHA512e49902ebd2fc556d0f7a0894c72341aa8da640cdd78d2469ca610295131d747fb943c631298e27c81bd7e3bee6a4987cc43b7cbdbdc85d99ddaa7dd43220223b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c562aeff056415f688a6a1980e9f2894
SHA18914f9c2dc012e2e257d760ed5310919bcaf63d0
SHA25648da8e508b0d1b93a1d3a355c89394b1974ec8f84a9b66b25d462a96c793689c
SHA51226aa4743fcf47159f012929c5ca336420e51b7dd1da67db12f8a1fc72a929c560836ea6449f362c71debd3fa0adb7412ff01363651475f5d13bee80d9770af8d