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Analysis
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max time kernel
73s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
02/02/2025, 15:34
Static task
static1
Behavioral task
behavioral1
Sample
ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe
Resource
win10v2004-20250129-en
General
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Target
ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe
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Size
641KB
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MD5
773984f4a6f5b624a22d549bb91caba0
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SHA1
d669159240aa47d87b56e7e171a59176039f1ce8
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SHA256
ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3
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SHA512
340745127d619fc79d123df192c144d4326413de487f950e73231321f02bd6707976d7edab126b2137a40e3ef460db395186d2332097014e375e3d747342ca5b
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SSDEEP
12288:xOFtByqfpHJJdgib+TCUIGr8ocdn3+2SF2SO:xKI0ppJJ+ToncS
Malware Config
Extracted
Protocol: ftp- Host:
50.31.176.103 - Port:
21 - Username:
[email protected] - Password:
HW=f09RQ-BL1
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://50.31.176.103/ - Port:
21 - Username:
[email protected] - Password:
HW=f09RQ-BL1
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/2728-23-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2728-25-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2728-28-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2728-30-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2728-29-0x0000000000400000-0x0000000000426000-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 2816 powershell.exe 2772 powershell.exe -
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.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 8 reallyfreegeoip.org 9 reallyfreegeoip.org 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2384 set thread context of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.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 2848 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 2728 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 2816 powershell.exe 2772 powershell.exe 2728 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe Token: SeDebugPrivilege 2728 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe Token: SeDebugPrivilege 2816 powershell.exe Token: SeDebugPrivilege 2772 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2816 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 31 PID 2384 wrote to memory of 2816 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 31 PID 2384 wrote to memory of 2816 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 31 PID 2384 wrote to memory of 2816 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 31 PID 2384 wrote to memory of 2772 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 33 PID 2384 wrote to memory of 2772 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 33 PID 2384 wrote to memory of 2772 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 33 PID 2384 wrote to memory of 2772 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 33 PID 2384 wrote to memory of 2848 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 35 PID 2384 wrote to memory of 2848 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 35 PID 2384 wrote to memory of 2848 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 35 PID 2384 wrote to memory of 2848 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 35 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 PID 2384 wrote to memory of 2728 2384 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe 37 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe"C:\Users\Admin\AppData\Local\Temp\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384 -
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\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2816
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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\SzJDEUtRWDX.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2772
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SzJDEUtRWDX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF4E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2848
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C:\Users\Admin\AppData\Local\Temp\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe"C:\Users\Admin\AppData\Local\Temp\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.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:2728
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5615ae62985b783cb6de6615590e17a7d
SHA1a4ce5e2e5376b6e7f65b3f0ee51d270e4f48da54
SHA256f6da5160e1ff3da17e6564bc539638dc0aae5c0890fb5e885617712b59b62c5c
SHA512f4aef871d102641560e0538317baa7aa9f14caeb62a39fc05eb46c5567d889e17cc53839943554722eb8de8b983184ad5e665856d0ae7cb45085ba8a9f98c635
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5461031a088b7ac4642f3f3806cf0c003
SHA1fb0dc0957ee30742291ff63180f85b9307216100
SHA256aea7b90d61138cff8d046fe11e00ec04d20aa359ddf2dcb15411908d5fd5de38
SHA512b76232cf7f6376be5e6a81b7c110897cf51f6dad016b3f66321ab8da6ef40ee9cbfad9241a6cf422e205e5a4fbde2d2c76b1dc9c47196c2d83f4bca198db0c0c