Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
22/05/2023, 16:53
Static task
static1
Behavioral task
behavioral1
Sample
PO-23000326.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PO-23000326.exe
Resource
win10v2004-20230220-en
General
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Target
PO-23000326.exe
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Size
725KB
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MD5
2c3c0bd218b8ea139e490e68b529b1ce
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SHA1
f76281b7315fc17621ebcdbedb61816d39595ec5
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SHA256
e78333be3402a8425c18a63f6938fa2f861c877e362d6c679079c17d6ee18dd2
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SHA512
f0bad998b57c6a02e86d2ab865f3808f6d0c96026af7a7d033b273db46ec7faf2497bc55560d94bab385c74fe88bcd125e22c9784eaede1a9229c16983ca19cc
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SSDEEP
12288:0DX91uYfT3t5Zb/FzFPkG4HLiy5df8A9ipC4PMe9P6MHGlc5YwpcJTX7:0R1uYfJ559d4Hdj8miETetHGO5YYcJT
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
iebtzpacgzyullvo - 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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation PO-23000326.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YLcqPJe = "C:\\Users\\Admin\\AppData\\Roaming\\YLcqPJe\\YLcqPJe.exe" RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 35 api.ipify.org 36 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2492 set thread context of 4804 2492 PO-23000326.exe 96 -
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 528 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2492 PO-23000326.exe 2492 PO-23000326.exe 5080 powershell.exe 5080 powershell.exe 4804 RegSvcs.exe 4804 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2492 PO-23000326.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 4804 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2492 wrote to memory of 5080 2492 PO-23000326.exe 92 PID 2492 wrote to memory of 5080 2492 PO-23000326.exe 92 PID 2492 wrote to memory of 5080 2492 PO-23000326.exe 92 PID 2492 wrote to memory of 528 2492 PO-23000326.exe 94 PID 2492 wrote to memory of 528 2492 PO-23000326.exe 94 PID 2492 wrote to memory of 528 2492 PO-23000326.exe 94 PID 2492 wrote to memory of 4804 2492 PO-23000326.exe 96 PID 2492 wrote to memory of 4804 2492 PO-23000326.exe 96 PID 2492 wrote to memory of 4804 2492 PO-23000326.exe 96 PID 2492 wrote to memory of 4804 2492 PO-23000326.exe 96 PID 2492 wrote to memory of 4804 2492 PO-23000326.exe 96 PID 2492 wrote to memory of 4804 2492 PO-23000326.exe 96 PID 2492 wrote to memory of 4804 2492 PO-23000326.exe 96 PID 2492 wrote to memory of 4804 2492 PO-23000326.exe 96 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-23000326.exe"C:\Users\Admin\AppData\Local\Temp\PO-23000326.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ANsfmwAf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5080
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ANsfmwAf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3921.tmp"2⤵
- Creates scheduled task(s)
PID:528
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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⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4804
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e08ea0be078b3b32270c2a9ec696cbeb
SHA1ad20a9508edcce37a584b81b84892856251c8406
SHA2567b325d0ec0fa42bba3e2c93fdd81daff4d50d2b4198e361cf2be4c00c546f341
SHA5124ef9178f79a5a6bb4d892a7ef25d8283f17a06ba6834251820de700366609307e9f8fad20d9eabe91d0748daeb697b0d1e49b7e8eacca8cede5f7bf143e11810