Analysis
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max time kernel
152s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
26-09-2023 13:55
Static task
static1
Behavioral task
behavioral1
Sample
charles.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
charles.exe
Resource
win10v2004-20230915-en
General
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Target
charles.exe
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Size
515KB
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MD5
1bd78136fa8b9e9e63fde92829a9743d
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SHA1
c9a07ff3362a68baa159521c6946026e4cc0f17b
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SHA256
995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2
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SHA512
47b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15
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SSDEEP
6144:tZQ1L8X3KA0CJIJr/yl8ntd9wxJA4jLXIwejp9R37+RRmpr2MUX9xRjVJiJxeyBc:fQ1BCJIBd6xXIbjp9RSzsr2FgO
Malware Config
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://ftp.product-secured.com/ - Port:
21 - Username:
[email protected] - Password:
575K5(MaZro2575K5(MaZro2
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 11 IoCs
Processes:
resource yara_rule behavioral1/memory/3012-8-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3012-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3012-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3012-12-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3012-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3012-21-0x0000000004A90000-0x0000000004AD0000-memory.dmp family_snakekeylogger behavioral1/memory/3012-23-0x0000000004A90000-0x0000000004AD0000-memory.dmp family_snakekeylogger behavioral1/memory/2624-45-0x0000000000080000-0x00000000000A6000-memory.dmp family_snakekeylogger behavioral1/memory/2624-49-0x0000000000080000-0x00000000000A6000-memory.dmp family_snakekeylogger behavioral1/memory/2624-52-0x0000000000080000-0x00000000000A6000-memory.dmp family_snakekeylogger behavioral1/memory/2624-54-0x0000000004BD0000-0x0000000004C10000-memory.dmp family_snakekeylogger -
Executes dropped EXE 2 IoCs
Processes:
svchost.exesvchost.exepid process 2096 svchost.exe 2624 svchost.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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
svchost.execharles.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 charles.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 charles.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 charles.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.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
charles.exesvchost.exedescription pid process target process PID 2360 set thread context of 3012 2360 charles.exe charles.exe PID 2096 set thread context of 2624 2096 svchost.exe svchost.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1924 schtasks.exe 880 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
charles.exesvchost.exepid process 3012 charles.exe 3012 charles.exe 2624 svchost.exe 2624 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
charles.exesvchost.exedescription pid process Token: SeDebugPrivilege 3012 charles.exe Token: SeDebugPrivilege 2624 svchost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
charles.exesvchost.exepid process 3012 charles.exe 2624 svchost.exe -
Suspicious use of WriteProcessMemory 54 IoCs
Processes:
charles.execmd.exetaskeng.exesvchost.execmd.exedescription pid process target process PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 3012 2360 charles.exe charles.exe PID 2360 wrote to memory of 1524 2360 charles.exe cmd.exe PID 2360 wrote to memory of 1524 2360 charles.exe cmd.exe PID 2360 wrote to memory of 1524 2360 charles.exe cmd.exe PID 2360 wrote to memory of 1524 2360 charles.exe cmd.exe PID 2360 wrote to memory of 2844 2360 charles.exe cmd.exe PID 2360 wrote to memory of 2844 2360 charles.exe cmd.exe PID 2360 wrote to memory of 2844 2360 charles.exe cmd.exe PID 2360 wrote to memory of 2844 2360 charles.exe cmd.exe PID 2360 wrote to memory of 2028 2360 charles.exe cmd.exe PID 2360 wrote to memory of 2028 2360 charles.exe cmd.exe PID 2360 wrote to memory of 2028 2360 charles.exe cmd.exe PID 2360 wrote to memory of 2028 2360 charles.exe cmd.exe PID 2844 wrote to memory of 1924 2844 cmd.exe schtasks.exe PID 2844 wrote to memory of 1924 2844 cmd.exe schtasks.exe PID 2844 wrote to memory of 1924 2844 cmd.exe schtasks.exe PID 2844 wrote to memory of 1924 2844 cmd.exe schtasks.exe PID 2492 wrote to memory of 2096 2492 taskeng.exe svchost.exe PID 2492 wrote to memory of 2096 2492 taskeng.exe svchost.exe PID 2492 wrote to memory of 2096 2492 taskeng.exe svchost.exe PID 2492 wrote to memory of 2096 2492 taskeng.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2624 2096 svchost.exe svchost.exe PID 2096 wrote to memory of 2500 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2500 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2500 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2500 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2528 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2528 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2528 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2528 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2504 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2504 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2504 2096 svchost.exe cmd.exe PID 2096 wrote to memory of 2504 2096 svchost.exe cmd.exe PID 2528 wrote to memory of 880 2528 cmd.exe schtasks.exe PID 2528 wrote to memory of 880 2528 cmd.exe schtasks.exe PID 2528 wrote to memory of 880 2528 cmd.exe schtasks.exe PID 2528 wrote to memory of 880 2528 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe -
outlook_win_path 1 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\charles.exe"C:\Users\Admin\AppData\Local\Temp\charles.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Users\Admin\AppData\Local\Temp\charles.exe"C:\Users\Admin\AppData\Local\Temp\charles.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3012 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:1524
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵
- Creates scheduled task(s)
PID:1924 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\charles.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:2028
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C:\Windows\system32\taskeng.exetaskeng.exe {DD3B2EC9-A89F-42C4-87BA-DB78840E4C73} S-1-5-21-3185155662-718608226-894467740-1000:YETUIZPU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2624 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"3⤵PID:2500
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"3⤵PID:2504
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f4⤵
- Creates scheduled task(s)
PID:880
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
515KB
MD51bd78136fa8b9e9e63fde92829a9743d
SHA1c9a07ff3362a68baa159521c6946026e4cc0f17b
SHA256995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2
SHA51247b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15
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Filesize
515KB
MD51bd78136fa8b9e9e63fde92829a9743d
SHA1c9a07ff3362a68baa159521c6946026e4cc0f17b
SHA256995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2
SHA51247b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15
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Filesize
515KB
MD51bd78136fa8b9e9e63fde92829a9743d
SHA1c9a07ff3362a68baa159521c6946026e4cc0f17b
SHA256995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2
SHA51247b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15