Analysis
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max time kernel
90s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2023 13:57
Static task
static1
Behavioral task
behavioral1
Sample
docble20230925.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
docble20230925.exe
Resource
win10v2004-20230915-en
General
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Target
docble20230925.exe
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Size
807KB
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MD5
01973f09014fee62754ea67861264da5
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SHA1
d8b34971917d38fe2b097604325e277a3c23ebb3
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SHA256
4110933fe032350468c29329959cb10fc54704a2ec7af1e71155202a337aee6d
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SHA512
90f444be2ec94092030359a06b9a790b580a1cd3c13f98add7b0012144f65c01b091129165db4f2374a52f74c9a7c2e7e332661fe76481f2de392b4a77079ee9
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SSDEEP
12288:d1F0ILW7uyIdVhDGoTkjg7vSMePpL71uFYD0kIy0MWaP7anc1Z:10IeIdDxe1PpLpsumD5aDGc1
Malware Config
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://ftp.royalcheckout.store/ - Port:
21 - Username:
[email protected] - Password:
esubwDViXlQ2@@##
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2220-7-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
docble20230925.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation docble20230925.exe -
Executes dropped EXE 3 IoCs
Processes:
svchost.exesvchost.exeavast.exepid process 3228 svchost.exe 2064 svchost.exe 3332 avast.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 3 IoCs
Processes:
docble20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docble20230925.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docble20230925.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docble20230925.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 54 checkip.dyndns.org -
Suspicious use of SetThreadContext 2 IoCs
Processes:
docble20230925.exesvchost.exedescription pid process target process PID 4684 set thread context of 2220 4684 docble20230925.exe docble20230925.exe PID 3228 set thread context of 2064 3228 svchost.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2856 schtasks.exe 972 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
docble20230925.exepid process 2220 docble20230925.exe 2220 docble20230925.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
docble20230925.exedescription pid process Token: SeDebugPrivilege 2220 docble20230925.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
docble20230925.exepid process 2220 docble20230925.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
docble20230925.execmd.exesvchost.execmd.exedescription pid process target process PID 4684 wrote to memory of 2220 4684 docble20230925.exe docble20230925.exe PID 4684 wrote to memory of 2220 4684 docble20230925.exe docble20230925.exe PID 4684 wrote to memory of 2220 4684 docble20230925.exe docble20230925.exe PID 4684 wrote to memory of 2220 4684 docble20230925.exe docble20230925.exe PID 4684 wrote to memory of 2220 4684 docble20230925.exe docble20230925.exe PID 4684 wrote to memory of 2220 4684 docble20230925.exe docble20230925.exe PID 4684 wrote to memory of 2220 4684 docble20230925.exe docble20230925.exe PID 4684 wrote to memory of 2220 4684 docble20230925.exe docble20230925.exe PID 4684 wrote to memory of 3228 4684 docble20230925.exe svchost.exe PID 4684 wrote to memory of 3228 4684 docble20230925.exe svchost.exe PID 4684 wrote to memory of 3228 4684 docble20230925.exe svchost.exe PID 4684 wrote to memory of 316 4684 docble20230925.exe cmd.exe PID 4684 wrote to memory of 316 4684 docble20230925.exe cmd.exe PID 4684 wrote to memory of 316 4684 docble20230925.exe cmd.exe PID 4684 wrote to memory of 2648 4684 docble20230925.exe cmd.exe PID 4684 wrote to memory of 2648 4684 docble20230925.exe cmd.exe PID 4684 wrote to memory of 2648 4684 docble20230925.exe cmd.exe PID 4684 wrote to memory of 4396 4684 docble20230925.exe cmd.exe PID 4684 wrote to memory of 4396 4684 docble20230925.exe cmd.exe PID 4684 wrote to memory of 4396 4684 docble20230925.exe cmd.exe PID 2648 wrote to memory of 2856 2648 cmd.exe schtasks.exe PID 2648 wrote to memory of 2856 2648 cmd.exe schtasks.exe PID 2648 wrote to memory of 2856 2648 cmd.exe schtasks.exe PID 3228 wrote to memory of 2064 3228 svchost.exe svchost.exe PID 3228 wrote to memory of 2064 3228 svchost.exe svchost.exe PID 3228 wrote to memory of 2064 3228 svchost.exe svchost.exe PID 3228 wrote to memory of 2064 3228 svchost.exe svchost.exe PID 3228 wrote to memory of 2064 3228 svchost.exe svchost.exe PID 3228 wrote to memory of 2064 3228 svchost.exe svchost.exe PID 3228 wrote to memory of 2064 3228 svchost.exe svchost.exe PID 3228 wrote to memory of 2064 3228 svchost.exe svchost.exe PID 3228 wrote to memory of 4204 3228 svchost.exe cmd.exe PID 3228 wrote to memory of 4204 3228 svchost.exe cmd.exe PID 3228 wrote to memory of 4204 3228 svchost.exe cmd.exe PID 3228 wrote to memory of 4320 3228 svchost.exe cmd.exe PID 3228 wrote to memory of 4320 3228 svchost.exe cmd.exe PID 3228 wrote to memory of 4320 3228 svchost.exe cmd.exe PID 3228 wrote to memory of 2104 3228 svchost.exe cmd.exe PID 3228 wrote to memory of 2104 3228 svchost.exe cmd.exe PID 3228 wrote to memory of 2104 3228 svchost.exe cmd.exe PID 4320 wrote to memory of 972 4320 cmd.exe schtasks.exe PID 4320 wrote to memory of 972 4320 cmd.exe schtasks.exe PID 4320 wrote to memory of 972 4320 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
docble20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docble20230925.exe -
outlook_win_path 1 IoCs
Processes:
docble20230925.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 docble20230925.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\docble20230925.exe"C:\Users\Admin\AppData\Local\Temp\docble20230925.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Users\Admin\AppData\Local\Temp\docble20230925.exe"C:\Users\Admin\AppData\Local\Temp\docble20230925.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2220 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
PID:2064 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"3⤵PID:2104
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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\avast\avast.exe'" /f3⤵
- Suspicious use of WriteProcessMemory
PID:4320 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f4⤵
- Creates scheduled task(s)
PID:972 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"3⤵PID:4204
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docble20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:4396
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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:2648 -
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:2856 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:316
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C:\Users\Admin\AppData\Roaming\avast\avast.exeC:\Users\Admin\AppData\Roaming\avast\avast.exe1⤵
- Executes dropped EXE
PID:3332
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
520B
MD503febbff58da1d3318c31657d89c8542
SHA1c9e017bd9d0a4fe533795b227c855935d86c2092
SHA2565164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4
SHA5123750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a
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Filesize
621KB
MD5ed9d91fe584d5109d4067734ac452753
SHA1c277e57866833509d94787fc6f4d634a2714825d
SHA2563629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030
SHA512a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a