Analysis
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max time kernel
70s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
04/05/2023, 01:55
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Purchase Order.exe
Resource
win10v2004-20230221-en
Behavioral task
behavioral3
Sample
Purchase Order.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
Purchase Order.exe
Resource
win10v2004-20230220-en
General
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Target
Purchase Order.exe
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Size
580KB
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MD5
ffb5ff978b543216e4b1317f7d9f97ef
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SHA1
a220878a48495fd5b4addcbd6553ca782a403277
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SHA256
b58e0980d53aa7891015a450f575a33f08a67c9b5f36674c2684d15ea78194aa
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SHA512
0a4ad7253c94039187aa4fc805f963b4e2ebeabc8d13f84755bcacd23844be78cc6f0eda609bb09fadbb5ed64dbf16686d06bef1aa253951c6c5e3c12028ee77
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SSDEEP
12288:gVdoVVzEig/V8YBCTGReneNbQjJ+mgeoQscaCqNBv:ooVdO/VaG0ObQt+miQs3H
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.expertsconsultgh.co - Port:
587 - Username:
[email protected] - Password:
Oppong.2012 - 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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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 324 set thread context of 1408 324 Purchase Order.exe 30 -
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.
pid Process 608 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 324 Purchase Order.exe 324 Purchase Order.exe 324 Purchase Order.exe 1072 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 324 Purchase Order.exe Token: SeDebugPrivilege 1408 Purchase Order.exe Token: SeDebugPrivilege 1072 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 324 wrote to memory of 1072 324 Purchase Order.exe 26 PID 324 wrote to memory of 1072 324 Purchase Order.exe 26 PID 324 wrote to memory of 1072 324 Purchase Order.exe 26 PID 324 wrote to memory of 1072 324 Purchase Order.exe 26 PID 324 wrote to memory of 608 324 Purchase Order.exe 28 PID 324 wrote to memory of 608 324 Purchase Order.exe 28 PID 324 wrote to memory of 608 324 Purchase Order.exe 28 PID 324 wrote to memory of 608 324 Purchase Order.exe 28 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 PID 324 wrote to memory of 1408 324 Purchase Order.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aPCyDwLsApDgb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1072
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aPCyDwLsApDgb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7282.tmp"2⤵
- Creates scheduled task(s)
PID:608
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1408
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5cc1eb0ef2681f64dfca4643d91e4a493
SHA1dad407d419e3471106a5f428b2aacbbf8e82a336
SHA25611ba5e5aecdb53c8ad304b63b09e9f6cb8d7e421b717bae0c059e8e9daea0cfb
SHA512710c3a63927149652e24bf618bb874e73399dbb9e569c08c492bf0f36fc40ff517547f1487bb648677acd892e9a9f9a71919ea62a2bc893951b9ab7e25c0f034