Analysis
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max time kernel
126s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2023 13:16
Static task
static1
Behavioral task
behavioral1
Sample
invoice.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
invoice.exe
Resource
win10v2004-20231130-en
General
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Target
invoice.exe
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Size
617KB
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MD5
bdedff7283522a464ce8b8f0462af80f
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SHA1
1a9aa24b394506f87c848f8bca2ac56946d03c54
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SHA256
5f098e8e5a3788ca13ef019ec9cc3e4b0cd83f01b96f7f7610c273ae6e6e97a7
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SHA512
c3a15670fb12624123e620271c4c7ea2834b76f31b72b63caaaa22cb333151c9dd043c7355254ece1d976317363aafe2b89e539abf17823b0c6b010336b1eeb9
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SSDEEP
12288:D3IU8S6eUd5x00ceDEkjA+wI97GctoG9pQ9yKyRHBD8JPMExtCQq:zItSAd5x00p7ERI/tZ/Q9yKQx8JPMGT
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
host2069.hostmonster.com - Port:
587 - Username:
[email protected] - Password:
me!@#!@#!@#!@# - 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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Detect ZGRat V1 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2348-6-0x0000000005010000-0x0000000005028000-memory.dmp family_zgrat_v1 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
invoice.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Control Panel\International\Geo\Nation invoice.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qXYojnj = "C:\\Users\\Admin\\AppData\\Roaming\\qXYojnj\\qXYojnj.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
invoice.exedescription pid process target process PID 2348 set thread context of 3860 2348 invoice.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 10 IoCs
Processes:
invoice.exepowershell.exepowershell.exeRegSvcs.exepid process 2348 invoice.exe 2348 invoice.exe 2348 invoice.exe 4644 powershell.exe 1572 powershell.exe 2348 invoice.exe 3860 RegSvcs.exe 3860 RegSvcs.exe 1572 powershell.exe 4644 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
invoice.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2348 invoice.exe Token: SeDebugPrivilege 4644 powershell.exe Token: SeDebugPrivilege 1572 powershell.exe Token: SeDebugPrivilege 3860 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
invoice.exedescription pid process target process PID 2348 wrote to memory of 4644 2348 invoice.exe powershell.exe PID 2348 wrote to memory of 4644 2348 invoice.exe powershell.exe PID 2348 wrote to memory of 4644 2348 invoice.exe powershell.exe PID 2348 wrote to memory of 1572 2348 invoice.exe powershell.exe PID 2348 wrote to memory of 1572 2348 invoice.exe powershell.exe PID 2348 wrote to memory of 1572 2348 invoice.exe powershell.exe PID 2348 wrote to memory of 3132 2348 invoice.exe schtasks.exe PID 2348 wrote to memory of 3132 2348 invoice.exe schtasks.exe PID 2348 wrote to memory of 3132 2348 invoice.exe schtasks.exe PID 2348 wrote to memory of 3860 2348 invoice.exe RegSvcs.exe PID 2348 wrote to memory of 3860 2348 invoice.exe RegSvcs.exe PID 2348 wrote to memory of 3860 2348 invoice.exe RegSvcs.exe PID 2348 wrote to memory of 3860 2348 invoice.exe RegSvcs.exe PID 2348 wrote to memory of 3860 2348 invoice.exe RegSvcs.exe PID 2348 wrote to memory of 3860 2348 invoice.exe RegSvcs.exe PID 2348 wrote to memory of 3860 2348 invoice.exe RegSvcs.exe PID 2348 wrote to memory of 3860 2348 invoice.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348 -
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\invoice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lLqhbpVVn.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1572 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lLqhbpVVn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93C4.tmp"2⤵
- Creates scheduled task(s)
PID:3132 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3860
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
MD51db5a270d296b2ed032031c63731ba52
SHA1c215dbab2eac9be5a7abcdc4ff1e69adaf8fb3dc
SHA2569308e9d7e5e4b12072623adb510f83ac3aa92ec93173303ea9e2e1de2c4dcd1f
SHA5126ccd7f61359fa0a9f845df1bafd6db270aed75090ecc38ab3b02e86780e4eebfe39a67b10168d807c2e1acfac07395ddf9b51f2c15d05616f283c761826393dc
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5b9e50ae1d7341e564a170bcf1e2939ee
SHA16b43453f567d14a4624036ffe7ef0e4f3fa83e5e
SHA256f639ae34117fddfd151e3298644d924340656b5d831ad97d5da960b7099511b3
SHA512326a2fb143781947840303dcaecf4457047a6815580e771610d27fbb44027bd2b234f0ff7b615d618cf878566a0d28e550a191ec66ab3ed72407b8c14dc39f51