Analysis
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max time kernel
143s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-12-2023 01:09
Static task
static1
Behavioral task
behavioral1
Sample
1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe
Resource
win10v2004-20231215-en
General
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Target
1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe
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Size
1.1MB
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MD5
1f64a1fccb2ccf2a7b3b8bd3fd40b3c3
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SHA1
abf690443bf75433e86c565cc7c0ffb3ee56d67c
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SHA256
1fbfc85cb0739606eda3aa7ee754fd438ad9b24c4d674dac6db8864de954ef62
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SHA512
93e8fc26e969753a9f5c8799aa3a9a79a719cce655fc91c4f344a8cba9dc32537583574dcac55213177d8bbfdc6a6ed23a604b1406c4d4ad79ea9a124277ac4b
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SSDEEP
12288:9zlh2ZZpCKmnA8ebZj5/dDXPUAvoZnW5lHH4Qsex0XAByK9dbIMXVXN1edOO4ADs:Z29mnA8IZj5/dDlkWf494cg59rrKx4
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
@#yandel@>20$
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
@#yandel@>20$
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 6 IoCs
resource yara_rule behavioral1/memory/2592-17-0x0000000000400000-0x0000000000456000-memory.dmp family_agenttesla behavioral1/memory/2592-19-0x0000000000400000-0x0000000000456000-memory.dmp family_agenttesla behavioral1/memory/2592-22-0x0000000000400000-0x0000000000456000-memory.dmp family_agenttesla behavioral1/memory/2592-24-0x0000000000400000-0x0000000000456000-memory.dmp family_agenttesla behavioral1/memory/2592-26-0x0000000000400000-0x0000000000456000-memory.dmp family_agenttesla behavioral1/memory/2592-31-0x0000000004A20000-0x0000000004A60000-memory.dmp family_agenttesla -
CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
resource yara_rule behavioral1/memory/2328-3-0x0000000000330000-0x0000000000342000-memory.dmp CustAttr -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe -
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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2328 set thread context of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 -
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 2728 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 2592 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 2592 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe Token: SeDebugPrivilege 2592 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2592 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2728 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 30 PID 2328 wrote to memory of 2728 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 30 PID 2328 wrote to memory of 2728 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 30 PID 2328 wrote to memory of 2728 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 30 PID 2328 wrote to memory of 2816 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 32 PID 2328 wrote to memory of 2816 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 32 PID 2328 wrote to memory of 2816 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 32 PID 2328 wrote to memory of 2816 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 32 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 PID 2328 wrote to memory of 2592 2328 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe 33 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe"C:\Users\Admin\AppData\Local\Temp\1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BavckLWtTsWaPN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8B1.tmp"2⤵
- Creates scheduled task(s)
PID:2728
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C:\Users\Admin\AppData\Local\Temp\1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe"C:\Users\Admin\AppData\Local\Temp\1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe"2⤵PID:2816
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C:\Users\Admin\AppData\Local\Temp\1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe"C:\Users\Admin\AppData\Local\Temp\1f64a1fccb2ccf2a7b3b8bd3fd40b3c3.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2592
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD55e044b63d0cf02ae08bf13de237cd13b
SHA199278c04bda98fa9c37f34c17259724c4b538a53
SHA256d31ca1e9fae66178da7f5989e2a3b35b909e51358015a6c319e2e6b52dd33af4
SHA512bbd07fc93bda00db69e1ae7e9a8460d4d5f4a2e7bf3cd35f2b903f2e475354b1c976088698f7c223599619214688ff6071c34417c48a075a430f5672ba7b59cd