Analysis
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max time kernel
86s -
max time network
58s -
platform
windows7_x64 -
resource
win7 -
submitted
08/07/2020, 12:51
Static task
static1
Behavioral task
behavioral1
Sample
Akbank Hesap Özetiniz.exe
Resource
win7
Behavioral task
behavioral2
Sample
Akbank Hesap Özetiniz.exe
Resource
win10v200430
General
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Target
Akbank Hesap Özetiniz.exe
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Size
850KB
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MD5
960b0304ac2537192e73521cc798876f
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SHA1
b9f8ffe26efd5c7b3cbc55027dc099f3573690b2
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SHA256
7c19cbbbb385a448d0033fe89cf139fff95ea9760ac2f0e9fa9acac60d180b81
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SHA512
fea2058080344068600acc5e0af3ee206f4bbc6b1d2a63e0714df522a62fbc62ab69dcc381ecde7b14d9cca531a05953d8e20b132a3a0031923a6cb563844b5d
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
ukingzbaba
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/740-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/740-3-0x0000000000446FFE-mapping.dmp family_agenttesla behavioral1/memory/740-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/740-5-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1424 set thread context of 740 1424 Akbank Hesap Özetiniz.exe 24 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 740 Akbank Hesap Özetiniz.exe 740 Akbank Hesap Özetiniz.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 740 Akbank Hesap Özetiniz.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 740 Akbank Hesap Özetiniz.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24 PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24 PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24 PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24 PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24 PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24 PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24 PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24 PID 1424 wrote to memory of 740 1424 Akbank Hesap Özetiniz.exe 24
Processes
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C:\Users\Admin\AppData\Local\Temp\Akbank Hesap Özetiniz.exe"C:\Users\Admin\AppData\Local\Temp\Akbank Hesap Özetiniz.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Users\Admin\AppData\Local\Temp\Akbank Hesap Özetiniz.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:740
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