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
02-12-2023 07:38
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Invoice - Well Ergon 16-09-2023.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Proforma Invoice - Well Ergon 16-09-2023.exe
Resource
win10v2004-20231127-en
General
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Target
Proforma Invoice - Well Ergon 16-09-2023.exe
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Size
981KB
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MD5
ff1eb59fead63e9e085cc141cfe2ea05
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SHA1
f367f16f00b643194270fae417603025fd720a4e
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SHA256
fa9768671a5cf88a6140c7dc6a4a23e428707e903640e66d7eab3fa7e0ba52e2
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SHA512
18befc027e7bce78743845becac2c97551e7b197a08cc59a1ffba032cff4259078c93f8e5da3d26a2b62656a7c5ec9a815219a20f4ea13241fa0bc24f2ef069d
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SSDEEP
12288:DsJ28iaLMu8KCzKXB/wqKFtAEJaGyrP11UFWopoxpgn2IyFqpXWr0EeS7J/P7r9O:D+2vaLP8v+lhj1UYei1q
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:
Proforma Invoice - Well Ergon 16-09-2023.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Control Panel\International\Geo\Nation Proforma Invoice - Well Ergon 16-09-2023.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Proforma Invoice - Well Ergon 16-09-2023.exedescription pid process target process PID 5072 set thread context of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.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 4320 3816 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 2280 powershell.exe 2872 powershell.exe 3816 RegSvcs.exe 3816 RegSvcs.exe 2872 powershell.exe 2280 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeDebugPrivilege 3816 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Proforma Invoice - Well Ergon 16-09-2023.exedescription pid process target process PID 5072 wrote to memory of 2872 5072 Proforma Invoice - Well Ergon 16-09-2023.exe powershell.exe PID 5072 wrote to memory of 2872 5072 Proforma Invoice - Well Ergon 16-09-2023.exe powershell.exe PID 5072 wrote to memory of 2872 5072 Proforma Invoice - Well Ergon 16-09-2023.exe powershell.exe PID 5072 wrote to memory of 2280 5072 Proforma Invoice - Well Ergon 16-09-2023.exe powershell.exe PID 5072 wrote to memory of 2280 5072 Proforma Invoice - Well Ergon 16-09-2023.exe powershell.exe PID 5072 wrote to memory of 2280 5072 Proforma Invoice - Well Ergon 16-09-2023.exe powershell.exe PID 5072 wrote to memory of 2824 5072 Proforma Invoice - Well Ergon 16-09-2023.exe schtasks.exe PID 5072 wrote to memory of 2824 5072 Proforma Invoice - Well Ergon 16-09-2023.exe schtasks.exe PID 5072 wrote to memory of 2824 5072 Proforma Invoice - Well Ergon 16-09-2023.exe schtasks.exe PID 5072 wrote to memory of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.exe RegSvcs.exe PID 5072 wrote to memory of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.exe RegSvcs.exe PID 5072 wrote to memory of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.exe RegSvcs.exe PID 5072 wrote to memory of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.exe RegSvcs.exe PID 5072 wrote to memory of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.exe RegSvcs.exe PID 5072 wrote to memory of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.exe RegSvcs.exe PID 5072 wrote to memory of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.exe RegSvcs.exe PID 5072 wrote to memory of 3816 5072 Proforma Invoice - Well Ergon 16-09-2023.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoice - Well Ergon 16-09-2023.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice - Well Ergon 16-09-2023.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5072 -
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\Proforma Invoice - Well Ergon 16-09-2023.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2872 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EPGkbIwTIm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2280 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EPGkbIwTIm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFA9.tmp"2⤵
- Creates scheduled task(s)
PID:2824 -
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:3816 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3816 -s 14203⤵
- Program crash
PID:4320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3816 -ip 38161⤵PID:812
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
MD589b1f4b764bef56c5889d4b8abcb2392
SHA1abaddb68d379bcd07f171d92bb0167021c608556
SHA256ee7a7ef5ef677b1ab32f1ca92821b112486231e65396ca64cedb87f11ecc50a3
SHA51216c8a83fce8fe824e6bbb8e12d5585d346d2846bbebca7d1ed6f71655b5593d3bc9daed54d42b2f17816eb01277812cd1ff2a4e2e4ddc245bd443e95ccb2d33f
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5241f84200876e64e39e75225c4a4283a
SHA110e287f7d22ac9355c6a24ab3d0cee138288daf5
SHA25619c0a96aeb5251696858a78e3c96685a837b026256ad8cf194edba4087e4c85d
SHA512dfb4b13c63906e7afc51c19f9405aeea4bf96603788bdcb8b802f5d7cd47be35991eb5e679b152e7176f0a376bc58087e5028038d0f743c620ded92ecc1e23e2