Analysis
- max time kernel
121s - max time network
145s - platform
windows10_x64 - resource
win10-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 3 IoCs
resource yara_rule behavioral2/memory/544-646-0x0000000000401190-mapping.dmp family_snakekeylogger behavioral2/files/0x000700000001ab4b-651.dat family_snakekeylogger behavioral2/files/0x000700000001ab4b-652.dat family_snakekeylogger - Executes dropped EXE 2 IoCs
pid Process 2076 FB_5933.tmp.exe 2496 FB_5A3E.tmp.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-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_5A3E.tmp.exe Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_5A3E.tmp.exe Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_5A3E.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 35 freegeoip.app 36 freegeoip.app 32 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 812 set thread context of 544 812 54639437878-xls.exe 113 - 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 2076 FB_5933.tmp.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1292 powershell.exe 1292 powershell.exe 1292 powershell.exe 1304 powershell.exe 1304 powershell.exe 1304 powershell.exe 4084 powershell.exe 4084 powershell.exe 4084 powershell.exe 1652 powershell.exe 1652 powershell.exe 1652 powershell.exe 3724 powershell.exe 3724 powershell.exe 3724 powershell.exe 3652 powershell.exe 3652 powershell.exe 3652 powershell.exe 1116 powershell.exe 1116 powershell.exe 1116 powershell.exe 4044 powershell.exe 4044 powershell.exe 4044 powershell.exe 3696 powershell.exe 3696 powershell.exe 3696 powershell.exe 644 powershell.exe 644 powershell.exe 644 powershell.exe 856 powershell.exe 856 powershell.exe 856 powershell.exe 3956 powershell.exe 3956 powershell.exe 3956 powershell.exe 3360 powershell.exe 3360 powershell.exe 3360 powershell.exe 4088 powershell.exe 4088 powershell.exe 4088 powershell.exe 1684 powershell.exe 1684 powershell.exe 1684 powershell.exe 2784 powershell.exe 2784 powershell.exe 2784 powershell.exe 1140 powershell.exe 1140 powershell.exe 1140 powershell.exe 1592 powershell.exe 1592 powershell.exe 1592 powershell.exe 3256 powershell.exe 3256 powershell.exe 3256 powershell.exe 1068 powershell.exe 1068 powershell.exe 1068 powershell.exe 3988 powershell.exe 3988 powershell.exe 3988 powershell.exe 812 54639437878-xls.exe - Suspicious use of AdjustPrivilegeToken 24 IoCs
description pid Process Token: SeDebugPrivilege 1292 powershell.exe Token: SeDebugPrivilege 1304 powershell.exe Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 3724 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 1116 powershell.exe Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 3696 powershell.exe Token: SeDebugPrivilege 644 powershell.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 3956 powershell.exe Token: SeDebugPrivilege 3360 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 1684 powershell.exe Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 1140 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 3256 powershell.exe Token: SeDebugPrivilege 1068 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 812 54639437878-xls.exe Token: SeDebugPrivilege 2496 FB_5A3E.tmp.exe Token: SeDebugPrivilege 2076 FB_5933.tmp.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 812 wrote to memory of 1292 812 54639437878-xls.exe 69 PID 812 wrote to memory of 1292 812 54639437878-xls.exe 69 PID 812 wrote to memory of 1292 812 54639437878-xls.exe 69 PID 812 wrote to memory of 1304 812 54639437878-xls.exe 71 PID 812 wrote to memory of 1304 812 54639437878-xls.exe 71 PID 812 wrote to memory of 1304 812 54639437878-xls.exe 71 PID 812 wrote to memory of 4084 812 54639437878-xls.exe 73 PID 812 wrote to memory of 4084 812 54639437878-xls.exe 73 PID 812 wrote to memory of 4084 812 54639437878-xls.exe 73 PID 812 wrote to memory of 1652 812 54639437878-xls.exe 75 PID 812 wrote to memory of 1652 812 54639437878-xls.exe 75 PID 812 wrote to memory of 1652 812 54639437878-xls.exe 75 PID 812 wrote to memory of 3724 812 54639437878-xls.exe 77 PID 812 wrote to memory of 3724 812 54639437878-xls.exe 77 PID 812 wrote to memory of 3724 812 54639437878-xls.exe 77 PID 812 wrote to memory of 3652 812 54639437878-xls.exe 79 PID 812 wrote to memory of 3652 812 54639437878-xls.exe 79 PID 812 wrote to memory of 3652 812 54639437878-xls.exe 79 PID 812 wrote to memory of 1116 812 54639437878-xls.exe 81 PID 812 wrote to memory of 1116 812 54639437878-xls.exe 81 PID 812 wrote to memory of 1116 812 54639437878-xls.exe 81 PID 812 wrote to memory of 4044 812 54639437878-xls.exe 83 PID 812 wrote to memory of 4044 812 54639437878-xls.exe 83 PID 812 wrote to memory of 4044 812 54639437878-xls.exe 83 PID 812 wrote to memory of 3696 812 54639437878-xls.exe 85 PID 812 wrote to memory of 3696 812 54639437878-xls.exe 85 PID 812 wrote to memory of 3696 812 54639437878-xls.exe 85 PID 812 wrote to memory of 644 812 54639437878-xls.exe 87 PID 812 wrote to memory of 644 812 54639437878-xls.exe 87 PID 812 wrote to memory of 644 812 54639437878-xls.exe 87 PID 812 wrote to memory of 856 812 54639437878-xls.exe 89 PID 812 wrote to memory of 856 812 54639437878-xls.exe 89 PID 812 wrote to memory of 856 812 54639437878-xls.exe 89 PID 812 wrote to memory of 3956 812 54639437878-xls.exe 93 PID 812 wrote to memory of 3956 812 54639437878-xls.exe 93 PID 812 wrote to memory of 3956 812 54639437878-xls.exe 93 PID 812 wrote to memory of 3360 812 54639437878-xls.exe 95 PID 812 wrote to memory of 3360 812 54639437878-xls.exe 95 PID 812 wrote to memory of 3360 812 54639437878-xls.exe 95 PID 812 wrote to memory of 4088 812 54639437878-xls.exe 97 PID 812 wrote to memory of 4088 812 54639437878-xls.exe 97 PID 812 wrote to memory of 4088 812 54639437878-xls.exe 97 PID 812 wrote to memory of 1684 812 54639437878-xls.exe 99 PID 812 wrote to memory of 1684 812 54639437878-xls.exe 99 PID 812 wrote to memory of 1684 812 54639437878-xls.exe 99 PID 812 wrote to memory of 2784 812 54639437878-xls.exe 101 PID 812 wrote to memory of 2784 812 54639437878-xls.exe 101 PID 812 wrote to memory of 2784 812 54639437878-xls.exe 101 PID 812 wrote to memory of 1140 812 54639437878-xls.exe 103 PID 812 wrote to memory of 1140 812 54639437878-xls.exe 103 PID 812 wrote to memory of 1140 812 54639437878-xls.exe 103 PID 812 wrote to memory of 1592 812 54639437878-xls.exe 105 PID 812 wrote to memory of 1592 812 54639437878-xls.exe 105 PID 812 wrote to memory of 1592 812 54639437878-xls.exe 105 PID 812 wrote to memory of 3256 812 54639437878-xls.exe 107 PID 812 wrote to memory of 3256 812 54639437878-xls.exe 107 PID 812 wrote to memory of 3256 812 54639437878-xls.exe 107 PID 812 wrote to memory of 1068 812 54639437878-xls.exe 109 PID 812 wrote to memory of 1068 812 54639437878-xls.exe 109 PID 812 wrote to memory of 1068 812 54639437878-xls.exe 109 PID 812 wrote to memory of 3988 812 54639437878-xls.exe 111 PID 812 wrote to memory of 3988 812 54639437878-xls.exe 111 PID 812 wrote to memory of 3988 812 54639437878-xls.exe 111 PID 812 wrote to memory of 544 812 54639437878-xls.exe 113 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_5A3E.tmp.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FB_5A3E.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:812 -
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:1292
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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:1304
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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:4084
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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:1652
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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:3724
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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:3652
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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:1116
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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:4044
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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:3696
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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:644
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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:856
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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:3956
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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:3360
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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:4088
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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:1684
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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:2784
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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:1140
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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:1592
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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:3256
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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:1068
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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:3988
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C:\Users\Admin\AppData\Local\Temp\54639437878-xls.exeC:\Users\Admin\AppData\Local\Temp\54639437878-xls.exe2⤵PID:544
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C:\Users\Admin\AppData\Local\Temp\FB_5933.tmp.exe"C:\Users\Admin\AppData\Local\Temp\FB_5933.tmp.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
PID:2076
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C:\Users\Admin\AppData\Local\Temp\FB_5A3E.tmp.exe"C:\Users\Admin\AppData\Local\Temp\FB_5A3E.tmp.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2496
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