Analysis
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max time kernel
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
11-12-2023 07:56
Static task
static1
Behavioral task
behavioral1
Sample
Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Resource
win7-20231023-en
General
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Target
Halkbank_Ekstre_20191102_073809_405251-PDF.exe
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Size
908KB
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MD5
d53f9da1e548649fad0874f345dbafc6
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SHA1
2d1bcf3e6bf202bc084e0ffae51457369b841f68
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SHA256
ff35d25496862b10860706136636b1001bd46f42856bd75fb4f8c32ca2fa05c0
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SHA512
1e69ef400da0f31c453539bb73350c5e1a470be7fdb8983000715da22ae13a60e7dcff5a93922eddea4db0e16255bc70f3f8841c0e9a244b78b5711ca29ce361
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SSDEEP
12288:9N3IU8S6eUdOvefG/C0nEScfhKJGdB6RZTdGX+BfzN/CASPKgSYtlx16wqjpkFAI:bItSAdOvLtEl5E/dGX+xz5CALySF1q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.rolexlogisticsservice.com - Port:
587 - Username:
[email protected] - Password:
0.p-TydLJ-3Z - 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
resource yara_rule behavioral1/memory/836-3-0x0000000000400000-0x0000000000418000-memory.dmp family_zgrat_v1 -
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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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 5 api.ipify.org 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 836 set thread context of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2784 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 2784 Halkbank_Ekstre_20191102_073809_405251-PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2784 Halkbank_Ekstre_20191102_073809_405251-PDF.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2784 Halkbank_Ekstre_20191102_073809_405251-PDF.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28 PID 836 wrote to memory of 2784 836 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:836 -
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2784
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