Analysis
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max time kernel
121s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-01-2025 15:28
Static task
static1
Behavioral task
behavioral1
Sample
MV ANNA SCHULTE.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
MV ANNA SCHULTE.exe
Resource
win10v2004-20241007-en
General
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Target
MV ANNA SCHULTE.exe
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Size
577KB
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MD5
69e89ef61b383149a0af933abe41b628
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SHA1
7e84f30ea43e7f5f4d035693b02983061ba423e0
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SHA256
65fd3e6981e71f5f189ed8496a037d74c05e41af482d0e9f9e649552866fd13f
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SHA512
731452336944e68d397f6ed63ab12c14bc85c18bdb715443008527a1b2e2ccdda1f87c0adaff2e52f9c9184b707cd2595c5ada435c8be880c706951e69d4084c
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SSDEEP
12288:ZbRKjP7neZvHStWDjJe4vroUD04OqTV9lQo1GIrrDQLRXPgt:DKjP7eZMWDjkMNlj15sLo
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
webmail.instalacionestasende.com - Port:
25 - Username:
[email protected] - Password:
VzX79@6v - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/1672-12-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1672-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1672-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1672-7-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1672-6-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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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 3 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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ANNA SCHULTE.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ANNA SCHULTE.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ANNA SCHULTE.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1692 set thread context of 1672 1692 MV ANNA SCHULTE.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MV ANNA SCHULTE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MV ANNA SCHULTE.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1672 MV ANNA SCHULTE.exe 1672 MV ANNA SCHULTE.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1672 MV ANNA SCHULTE.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 PID 1692 wrote to memory of 1672 1692 MV ANNA SCHULTE.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ANNA SCHULTE.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MV ANNA SCHULTE.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\MV ANNA SCHULTE.exe"C:\Users\Admin\AppData\Local\Temp\MV ANNA SCHULTE.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Users\Admin\AppData\Local\Temp\MV ANNA SCHULTE.exe"C:\Users\Admin\AppData\Local\Temp\MV ANNA SCHULTE.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1672
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