Analysis
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max time kernel
142s -
max time network
147s -
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
win7-20231023-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-1-5-21-2013768333-4045878716-2922883000-1000\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 2096 set thread context of 1776 2096 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 920 1776 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 6 IoCs
Processes:
powershell.exepowershell.exeRegSvcs.exepid process 2260 powershell.exe 1392 powershell.exe 1776 RegSvcs.exe 1776 RegSvcs.exe 2260 powershell.exe 1392 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1392 powershell.exe Token: SeDebugPrivilege 2260 powershell.exe Token: SeDebugPrivilege 1776 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
payment overdue (2).exedescription pid process target process PID 2096 wrote to memory of 1392 2096 payment overdue (2).exe powershell.exe PID 2096 wrote to memory of 1392 2096 payment overdue (2).exe powershell.exe PID 2096 wrote to memory of 1392 2096 payment overdue (2).exe powershell.exe PID 2096 wrote to memory of 2260 2096 payment overdue (2).exe powershell.exe PID 2096 wrote to memory of 2260 2096 payment overdue (2).exe powershell.exe PID 2096 wrote to memory of 2260 2096 payment overdue (2).exe powershell.exe PID 2096 wrote to memory of 4172 2096 payment overdue (2).exe schtasks.exe PID 2096 wrote to memory of 4172 2096 payment overdue (2).exe schtasks.exe PID 2096 wrote to memory of 4172 2096 payment overdue (2).exe schtasks.exe PID 2096 wrote to memory of 1776 2096 payment overdue (2).exe RegSvcs.exe PID 2096 wrote to memory of 1776 2096 payment overdue (2).exe RegSvcs.exe PID 2096 wrote to memory of 1776 2096 payment overdue (2).exe RegSvcs.exe PID 2096 wrote to memory of 1776 2096 payment overdue (2).exe RegSvcs.exe PID 2096 wrote to memory of 1776 2096 payment overdue (2).exe RegSvcs.exe PID 2096 wrote to memory of 1776 2096 payment overdue (2).exe RegSvcs.exe PID 2096 wrote to memory of 1776 2096 payment overdue (2).exe RegSvcs.exe PID 2096 wrote to memory of 1776 2096 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 use of WriteProcessMemory
PID:2096 -
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:1392 -
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:2260 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fiozYLdPAfrHi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB65F.tmp"2⤵
- Creates scheduled task(s)
PID:4172 -
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:1776 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 14083⤵
- Program crash
PID:920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1776 -ip 17761⤵PID:3236
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD555fe9a2aa9894c887593c9af717231ab
SHA1704a71b84a74ecebf5a03ba26920139320722bcd
SHA25628a441e0da297831df98b8f188a803507326002db532f3be20e963eb8a01deaa
SHA5123fa2a8bdb8f456a72e6d20897f380b77890736183ee2f90c544303d851d6ad461133f332069a7ea4d1fcfbf33b070ef83069830780f3524ba29bac22a270fcad
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD537084f943072c82fdba53020d270cec4
SHA108f62010930a1d60e381444bfd89d84bdbd70b4e
SHA2564dddcdbfcb1b0367ffbd916fae17d6723f51c5764b5aebf63a3e6a3109c0c374
SHA51292af984f6e88663f986f5ac061ecbf8dd5184a1ed42b8f1dd67b87c297cff0816dcf38cb8fb795e8587ccfc975ebfe2f7038e86cf9bc43958953430ef81b4b6c