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Analysis
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max time kernel
154s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 08:06
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe
Resource
win10v2004-20220812-en
General
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Target
SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe
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Size
722KB
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MD5
aeced37dad1530c29aed51836d7b69d6
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SHA1
9af1befd7e35b481d23fa6c0288b3f9ec805bb0a
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SHA256
116cfa58be49398e36341b622a3942f2abcfb5a60be9688f80f9e8fca3245c23
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SHA512
b9225e53148d1c932ae02705e6a49a1812684a7430e041ab70e2ea97414d1c8f51f26da1da23c02ef73baaab9ecc23388873082f7ec63b1c352cf27a36af6fd9
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SSDEEP
12288:YTEOf7RwBiSCPlrchRO5pZsBso22Fv6cx5:YTEkwiSScG5EBsLwvh
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5479139811:AAFjvrIBMkhtgUmULA2dMcFBI3ifYLrXZAc/
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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yqwrt = "C:\\Users\\Admin\\AppData\\Roaming\\yqwrt\\yqwrt.exe" SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.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 37 api.ipify.org 38 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2512 set thread context of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 2372 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 2372 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 2372 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe Token: SeDebugPrivilege 2372 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2512 wrote to memory of 3176 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 82 PID 2512 wrote to memory of 3176 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 82 PID 2512 wrote to memory of 3176 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 82 PID 2512 wrote to memory of 3176 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 82 PID 2512 wrote to memory of 3176 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 82 PID 2512 wrote to memory of 3176 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 82 PID 2512 wrote to memory of 3176 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 82 PID 2512 wrote to memory of 3176 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 82 PID 2512 wrote to memory of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 PID 2512 wrote to memory of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 PID 2512 wrote to memory of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 PID 2512 wrote to memory of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 PID 2512 wrote to memory of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 PID 2512 wrote to memory of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 PID 2512 wrote to memory of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 PID 2512 wrote to memory of 2372 2512 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe"2⤵PID:3176
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.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:2372
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe.log
Filesize1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691