Analysis
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max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20250211-en -
resource tags
arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system -
submitted
14-02-2025 03:59
Static task
static1
Behavioral task
behavioral1
Sample
b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe
Resource
win10v2004-20250211-en
General
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Target
b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe
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Size
1.0MB
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MD5
a6b913a8d698ed57a6280e0639c22566
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SHA1
485aa43b8350c0636d2e5524d29da8608c8fa2d5
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SHA256
b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc
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SHA512
1858ebb11af722eccb5548ef08c804bf384a0bbfcc514614a6305c5090af3f20f6db6c29e29b8f8d2fb354e47c74c0fb0887c4be27364e92f991e81888a08146
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SSDEEP
12288:yJ7RokodDPTwa5WlVkplFQlNgGYvuQu8E2w2vS644QI3PKyUU2ORkq:1PTs3kp+aGp27JQIEf0
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7304369540:AAEmQe-qbHVPcy-TklKpBW3bMaI29gLAA2g/sendMessage?chat_id=5865543675
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/516-35-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4320 powershell.exe 4312 powershell.exe -
Downloads MZ/PE file 1 IoCs
flow pid Process 37 1372 Process not Found -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Control Panel\International\Geo\Nation b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 42 checkip.dyndns.org 45 reallyfreegeoip.org 46 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4756 set thread context of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4316 4756 WerFault.exe 85 -
System Location Discovery: System Language Discovery 1 TTPs 6 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4900 MicrosoftEdgeUpdate.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4292 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 4320 powershell.exe 4312 powershell.exe 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 516 RegSvcs.exe 4320 powershell.exe 4312 powershell.exe 4312 powershell.exe 516 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe Token: SeDebugPrivilege 4320 powershell.exe Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 516 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4756 wrote to memory of 4320 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 103 PID 4756 wrote to memory of 4320 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 103 PID 4756 wrote to memory of 4320 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 103 PID 4756 wrote to memory of 4312 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 105 PID 4756 wrote to memory of 4312 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 105 PID 4756 wrote to memory of 4312 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 105 PID 4756 wrote to memory of 4292 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 107 PID 4756 wrote to memory of 4292 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 107 PID 4756 wrote to memory of 4292 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 107 PID 4756 wrote to memory of 764 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 109 PID 4756 wrote to memory of 764 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 109 PID 4756 wrote to memory of 764 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 109 PID 4756 wrote to memory of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 PID 4756 wrote to memory of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 PID 4756 wrote to memory of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 PID 4756 wrote to memory of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 PID 4756 wrote to memory of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 PID 4756 wrote to memory of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 PID 4756 wrote to memory of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 PID 4756 wrote to memory of 516 4756 b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe 110 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe"C:\Users\Admin\AppData\Local\Temp\b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756 -
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\b1bd96341b2c06cf1ea7a1a9026222f1a85d8605798be6f7809100b3e0bd11dc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4320
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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\wCYnQiUHzwxvqE.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4312
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wCYnQiUHzwxvqE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6230.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4292
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:764
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 17162⤵
- Program crash
PID:4316
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTU3NDczMzk3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4756 -ip 47561⤵PID:2580
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD500b2f163bcce983b412d2df07a004e6a
SHA1c359b9ffe89c4e074bf21a85e6207ee673e36761
SHA2564236394da61ebd9231134152a1b16b0532903f140a0c118a34227da877c62072
SHA512d64ef31d4d9773605e204beccd326df0f942229306b7f006d4d5c155975321b950c6c84835baa6d4d0c9798ea324eda850219db0a652cc6f63af01459f4a30f2
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5f34eacd8188921aea958de44afcebedc
SHA1b2b78885b54994e20ec6aed09bb17784d7650bcc
SHA256629260449a871cc18c4c2f6fe7ea0d7e1a87847d6ceb192a291e2fada8163a4d
SHA5120474c81bd9d411e9d250569b9fea78a621b5f54a5a6b6ab454b2dab9014980de2630d92f59ad4ddd87214aef4e6c08eee641ae61211cd56574963f5756104fd5