Analysis
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max time kernel
142s -
max time network
154s -
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 10:30
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-1-5-21-2037190880-819243489-950462038-1000\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 1720 set thread context of 3012 1720 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 3008 3012 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 1288 powershell.exe 564 powershell.exe 1720 payment overdue (2).exe 1720 payment overdue (2).exe 3012 RegSvcs.exe 3012 RegSvcs.exe 564 powershell.exe 1288 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exepowershell.exepayment overdue (2).exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 564 powershell.exe Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 1720 payment overdue (2).exe Token: SeDebugPrivilege 3012 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
payment overdue (2).exedescription pid process target process PID 1720 wrote to memory of 564 1720 payment overdue (2).exe powershell.exe PID 1720 wrote to memory of 564 1720 payment overdue (2).exe powershell.exe PID 1720 wrote to memory of 564 1720 payment overdue (2).exe powershell.exe PID 1720 wrote to memory of 1288 1720 payment overdue (2).exe powershell.exe PID 1720 wrote to memory of 1288 1720 payment overdue (2).exe powershell.exe PID 1720 wrote to memory of 1288 1720 payment overdue (2).exe powershell.exe PID 1720 wrote to memory of 4976 1720 payment overdue (2).exe schtasks.exe PID 1720 wrote to memory of 4976 1720 payment overdue (2).exe schtasks.exe PID 1720 wrote to memory of 4976 1720 payment overdue (2).exe schtasks.exe PID 1720 wrote to memory of 2252 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 2252 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 2252 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 3012 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 3012 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 3012 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 3012 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 3012 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 3012 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 3012 1720 payment overdue (2).exe RegSvcs.exe PID 1720 wrote to memory of 3012 1720 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:1720 -
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:564 -
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:1288 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fiozYLdPAfrHi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF80C.tmp"2⤵
- Creates scheduled task(s)
PID:4976 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2252
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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:3012 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 14203⤵
- Program crash
PID:3008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3012 -ip 30121⤵PID:4948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD554819d3f2a4a3a9197a51ec6584a0d57
SHA10affeee8f4b263d950d3215adae59aae92c9a1bf
SHA256c0266bd6e307b0b3e3ace9d183ce44d6ae1b02f7a5e4d6659ced7d0a14b3fe0c
SHA5127b2ef1a6b5143e4430544bcac8fbb33344d42e7c0d66e49b8b619e70d521c8638c6a3d08a27da9b96c12cfdf0a5c3d5cdf80ff7d840ed05128196e3b19023edc
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c562aeff056415f688a6a1980e9f2894
SHA18914f9c2dc012e2e257d760ed5310919bcaf63d0
SHA25648da8e508b0d1b93a1d3a355c89394b1974ec8f84a9b66b25d462a96c793689c
SHA51226aa4743fcf47159f012929c5ca336420e51b7dd1da67db12f8a1fc72a929c560836ea6449f362c71debd3fa0adb7412ff01363651475f5d13bee80d9770af8d