Analysis
- max time kernel
118s - max time network
153s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
13/01/2022, 12:55
Static task
static1
Behavioral task
behavioral1
Sample
54639437878-xls.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
54639437878-xls.exe
Resource
win10-en-20211208
0 signatures
0 seconds
General
- Target 54639437878-xls.exe
- Size 85KB
- Sample220113-p5ssfaachp
- SHA256 53747ef56194c2d817fcc54f0c8b2df8d6a54c4eec516ff93854ab618282012b
- MD5 b0f12628606a1f1cf3ff7015c1edbc94
- SHA1 443d5759e03bd29f851583f2b7fa1e5806f191a6
- SHA512 98eb6c88b6cab75b00932734a04acfcd5b3d0b00b50379b81cd5b3f969e562eb061bce760f322407ea5c2428124856cd688fe567459dd0eafb7f5c850b750496
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 8 IoCs
resource yara_rule behavioral1/memory/1520-150-0x0000000000400000-0x0000000000440000-memory.dmp family_snakekeylogger behavioral1/memory/1520-151-0x0000000000401190-mapping.dmp family_snakekeylogger behavioral1/files/0x000600000001261b-157.dat family_snakekeylogger behavioral1/memory/1520-162-0x0000000000400000-0x0000000000440000-memory.dmp family_snakekeylogger behavioral1/files/0x000600000001261b-163.dat family_snakekeylogger behavioral1/files/0x000600000001261b-161.dat family_snakekeylogger behavioral1/memory/1532-164-0x0000000001280000-0x00000000012A6000-memory.dmp family_snakekeylogger behavioral1/memory/1532-166-0x0000000001280000-0x00000000012A6000-memory.dmp family_snakekeylogger - Executes dropped EXE 2 IoCs
pid Process 1400 FB_580F.tmp.exe 1532 FB_587D.tmp.exe - Loads dropped DLL 2 IoCs
pid Process 1520 54639437878-xls.exe 1520 54639437878-xls.exe - 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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_587D.tmp.exe Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_587D.tmp.exe Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_587D.tmp.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 checkip.dyndns.org 12 freegeoip.app 13 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 956 set thread context of 1520 956 54639437878-xls.exe 69 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1400 FB_580F.tmp.exe - Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 1500 powershell.exe 1060 powershell.exe 1828 powershell.exe 1552 powershell.exe 1740 powershell.exe 880 powershell.exe 1376 powershell.exe 1516 powershell.exe 1912 powershell.exe 1820 powershell.exe 1200 powershell.exe 1064 powershell.exe 1260 powershell.exe 524 powershell.exe 2024 powershell.exe 1536 powershell.exe 1824 powershell.exe 2032 powershell.exe 1748 powershell.exe 1012 powershell.exe 588 powershell.exe 956 54639437878-xls.exe 956 54639437878-xls.exe 1532 FB_587D.tmp.exe - Suspicious use of AdjustPrivilegeToken 24 IoCs
description pid Process Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 1060 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 1552 powershell.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 880 powershell.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 1820 powershell.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 1064 powershell.exe Token: SeDebugPrivilege 1260 powershell.exe Token: SeDebugPrivilege 524 powershell.exe Token: SeDebugPrivilege 2024 powershell.exe Token: SeDebugPrivilege 1536 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 588 powershell.exe Token: SeDebugPrivilege 956 54639437878-xls.exe Token: SeDebugPrivilege 1400 FB_580F.tmp.exe Token: SeDebugPrivilege 1532 FB_587D.tmp.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 956 wrote to memory of 1500 956 54639437878-xls.exe 27 PID 956 wrote to memory of 1500 956 54639437878-xls.exe 27 PID 956 wrote to memory of 1500 956 54639437878-xls.exe 27 PID 956 wrote to memory of 1500 956 54639437878-xls.exe 27 PID 956 wrote to memory of 1060 956 54639437878-xls.exe 29 PID 956 wrote to memory of 1060 956 54639437878-xls.exe 29 PID 956 wrote to memory of 1060 956 54639437878-xls.exe 29 PID 956 wrote to memory of 1060 956 54639437878-xls.exe 29 PID 956 wrote to memory of 1828 956 54639437878-xls.exe 31 PID 956 wrote to memory of 1828 956 54639437878-xls.exe 31 PID 956 wrote to memory of 1828 956 54639437878-xls.exe 31 PID 956 wrote to memory of 1828 956 54639437878-xls.exe 31 PID 956 wrote to memory of 1552 956 54639437878-xls.exe 33 PID 956 wrote to memory of 1552 956 54639437878-xls.exe 33 PID 956 wrote to memory of 1552 956 54639437878-xls.exe 33 PID 956 wrote to memory of 1552 956 54639437878-xls.exe 33 PID 956 wrote to memory of 1740 956 54639437878-xls.exe 35 PID 956 wrote to memory of 1740 956 54639437878-xls.exe 35 PID 956 wrote to memory of 1740 956 54639437878-xls.exe 35 PID 956 wrote to memory of 1740 956 54639437878-xls.exe 35 PID 956 wrote to memory of 880 956 54639437878-xls.exe 37 PID 956 wrote to memory of 880 956 54639437878-xls.exe 37 PID 956 wrote to memory of 880 956 54639437878-xls.exe 37 PID 956 wrote to memory of 880 956 54639437878-xls.exe 37 PID 956 wrote to memory of 1376 956 54639437878-xls.exe 39 PID 956 wrote to memory of 1376 956 54639437878-xls.exe 39 PID 956 wrote to memory of 1376 956 54639437878-xls.exe 39 PID 956 wrote to memory of 1376 956 54639437878-xls.exe 39 PID 956 wrote to memory of 1516 956 54639437878-xls.exe 41 PID 956 wrote to memory of 1516 956 54639437878-xls.exe 41 PID 956 wrote to memory of 1516 956 54639437878-xls.exe 41 PID 956 wrote to memory of 1516 956 54639437878-xls.exe 41 PID 956 wrote to memory of 1912 956 54639437878-xls.exe 43 PID 956 wrote to memory of 1912 956 54639437878-xls.exe 43 PID 956 wrote to memory of 1912 956 54639437878-xls.exe 43 PID 956 wrote to memory of 1912 956 54639437878-xls.exe 43 PID 956 wrote to memory of 1820 956 54639437878-xls.exe 45 PID 956 wrote to memory of 1820 956 54639437878-xls.exe 45 PID 956 wrote to memory of 1820 956 54639437878-xls.exe 45 PID 956 wrote to memory of 1820 956 54639437878-xls.exe 45 PID 956 wrote to memory of 1200 956 54639437878-xls.exe 47 PID 956 wrote to memory of 1200 956 54639437878-xls.exe 47 PID 956 wrote to memory of 1200 956 54639437878-xls.exe 47 PID 956 wrote to memory of 1200 956 54639437878-xls.exe 47 PID 956 wrote to memory of 1064 956 54639437878-xls.exe 49 PID 956 wrote to memory of 1064 956 54639437878-xls.exe 49 PID 956 wrote to memory of 1064 956 54639437878-xls.exe 49 PID 956 wrote to memory of 1064 956 54639437878-xls.exe 49 PID 956 wrote to memory of 1260 956 54639437878-xls.exe 51 PID 956 wrote to memory of 1260 956 54639437878-xls.exe 51 PID 956 wrote to memory of 1260 956 54639437878-xls.exe 51 PID 956 wrote to memory of 1260 956 54639437878-xls.exe 51 PID 956 wrote to memory of 524 956 54639437878-xls.exe 53 PID 956 wrote to memory of 524 956 54639437878-xls.exe 53 PID 956 wrote to memory of 524 956 54639437878-xls.exe 53 PID 956 wrote to memory of 524 956 54639437878-xls.exe 53 PID 956 wrote to memory of 2024 956 54639437878-xls.exe 55 PID 956 wrote to memory of 2024 956 54639437878-xls.exe 55 PID 956 wrote to memory of 2024 956 54639437878-xls.exe 55 PID 956 wrote to memory of 2024 956 54639437878-xls.exe 55 PID 956 wrote to memory of 1536 956 54639437878-xls.exe 57 PID 956 wrote to memory of 1536 956 54639437878-xls.exe 57 PID 956 wrote to memory of 1536 956 54639437878-xls.exe 57 PID 956 wrote to memory of 1536 956 54639437878-xls.exe 57 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_587D.tmp.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_587D.tmp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\54639437878-xls.exe"C:\Users\Admin\AppData\Local\Temp\54639437878-xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1500
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1828
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1552
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:880
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1376
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1516
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1912
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1820
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1200
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1260
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:524
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1536
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1824
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1748
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1012
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:588
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C:\Users\Admin\AppData\Local\Temp\54639437878-xls.exeC:\Users\Admin\AppData\Local\Temp\54639437878-xls.exe2⤵
- Loads dropped DLL
PID:1520 -
C:\Users\Admin\AppData\Local\Temp\FB_580F.tmp.exe"C:\Users\Admin\AppData\Local\Temp\FB_580F.tmp.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
PID:1400
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C:\Users\Admin\AppData\Local\Temp\FB_587D.tmp.exe"C:\Users\Admin\AppData\Local\Temp\FB_587D.tmp.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1532
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