Analysis
- max time kernel
143s - max time network
136s - platform
windows10_x64 - resource
win10v20210410 - submitted
17/06/2021, 06:44
Static task
static1
Behavioral task
behavioral1
Sample
208e8dd08e5487af9ec875fef96c168a.exe
Resource
win7v20210410
0 signatures
0 seconds
General
- Target 208e8dd08e5487af9ec875fef96c168a.exe
- Size 752KB
- Sample210617-2fplrncebx
- SHA256 f2da7bd4dc5321e7097af00b886cae56e28818c72d9e37a1f1988665034026df
- MD5 208e8dd08e5487af9ec875fef96c168a
- SHA1 384ded6d065f053e5efc6790fa523205a7898e8a
- SHA512 281a6ec3173f6771ad5c6bc198d59005ad73f6664d7a067be0955a80169546e019285a8900da6cbd410bb2d929f459f0d002384afc2e2bc0ebe4ea5e32619a04
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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cryptbot
C2
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kiykhd42.top
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morzui04.top
Attributes
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payload_url
http://peoqba05.top/download.php?file=lv.exe
Signatures
- CryptBot Payload 2 IoCs
resource yara_rule behavioral2/memory/3680-114-0x0000000002630000-0x0000000002711000-memory.dmp family_cryptbot behavioral2/memory/3680-115-0x0000000000400000-0x000000000095A000-memory.dmp family_cryptbot - Blocklisted process makes network request 7 IoCs
flow pid Process 36 3016 rundll32.exe 38 412 WScript.exe 40 412 WScript.exe 42 412 WScript.exe 44 412 WScript.exe 45 2932 rundll32.exe 51 2932 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 5 IoCs
pid Process 3348 nYIlBslV.exe 1300 4.exe 2108 vpn.exe 2172 SmartClock.exe 2000 vawmlkil.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk 4.exe - Loads dropped DLL 4 IoCs
pid Process 3348 nYIlBslV.exe 3016 rundll32.exe 3016 rundll32.exe 2932 rundll32.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 23 ip-api.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2932 set thread context of 1288 2932 rundll32.exe 94 - Drops file in Program Files directory 5 IoCs
description ioc Process File created C:\PROGRA~3\lauvhfdchyoek\Sfnth.tmp rundll32.exe File created C:\Program Files (x86)\foler\olader\acppage.dll nYIlBslV.exe File created C:\Program Files (x86)\foler\olader\adprovider.dll nYIlBslV.exe File created C:\Program Files (x86)\foler\olader\acledit.dll nYIlBslV.exe File created C:\PROGRA~3\lauvhfdchyoek\jhakldcgpv.tmp rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 23 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 vpn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString vpn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 208e8dd08e5487af9ec875fef96c168a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 208e8dd08e5487af9ec875fef96c168a.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe - Delays execution with timeout.exe 1 IoCs
pid Process 2152 timeout.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings vpn.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 WScript.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\562AC46A896FA05BF01761034CEF2067A0B32A04 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\562AC46A896FA05BF01761034CEF2067A0B32A04\Blob = 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 rundll32.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2172 SmartClock.exe - Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2932 rundll32.exe 2932 rundll32.exe 2932 rundll32.exe 2932 rundll32.exe 2932 rundll32.exe 2932 rundll32.exe 2932 rundll32.exe 2932 rundll32.exe 3400 powershell.exe 3400 powershell.exe 3400 powershell.exe 2932 rundll32.exe 2932 rundll32.exe 3348 powershell.exe 3348 powershell.exe 3348 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2932 rundll32.exe Token: SeDebugPrivilege 3400 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3680 208e8dd08e5487af9ec875fef96c168a.exe 3680 208e8dd08e5487af9ec875fef96c168a.exe 2932 rundll32.exe - Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3680 wrote to memory of 3308 3680 208e8dd08e5487af9ec875fef96c168a.exe 79 PID 3680 wrote to memory of 3308 3680 208e8dd08e5487af9ec875fef96c168a.exe 79 PID 3680 wrote to memory of 3308 3680 208e8dd08e5487af9ec875fef96c168a.exe 79 PID 3308 wrote to memory of 3348 3308 cmd.exe 81 PID 3308 wrote to memory of 3348 3308 cmd.exe 81 PID 3308 wrote to memory of 3348 3308 cmd.exe 81 PID 3348 wrote to memory of 1300 3348 nYIlBslV.exe 82 PID 3348 wrote to memory of 1300 3348 nYIlBslV.exe 82 PID 3348 wrote to memory of 1300 3348 nYIlBslV.exe 82 PID 3348 wrote to memory of 2108 3348 nYIlBslV.exe 83 PID 3348 wrote to memory of 2108 3348 nYIlBslV.exe 83 PID 3348 wrote to memory of 2108 3348 nYIlBslV.exe 83 PID 3680 wrote to memory of 2104 3680 208e8dd08e5487af9ec875fef96c168a.exe 84 PID 3680 wrote to memory of 2104 3680 208e8dd08e5487af9ec875fef96c168a.exe 84 PID 3680 wrote to memory of 2104 3680 208e8dd08e5487af9ec875fef96c168a.exe 84 PID 2104 wrote to memory of 2152 2104 cmd.exe 86 PID 2104 wrote to memory of 2152 2104 cmd.exe 86 PID 2104 wrote to memory of 2152 2104 cmd.exe 86 PID 1300 wrote to memory of 2172 1300 4.exe 87 PID 1300 wrote to memory of 2172 1300 4.exe 87 PID 1300 wrote to memory of 2172 1300 4.exe 87 PID 2108 wrote to memory of 2000 2108 vpn.exe 88 PID 2108 wrote to memory of 2000 2108 vpn.exe 88 PID 2108 wrote to memory of 2000 2108 vpn.exe 88 PID 2108 wrote to memory of 2608 2108 vpn.exe 89 PID 2108 wrote to memory of 2608 2108 vpn.exe 89 PID 2108 wrote to memory of 2608 2108 vpn.exe 89 PID 2000 wrote to memory of 3016 2000 vawmlkil.exe 91 PID 2000 wrote to memory of 3016 2000 vawmlkil.exe 91 PID 2000 wrote to memory of 3016 2000 vawmlkil.exe 91 PID 2108 wrote to memory of 412 2108 vpn.exe 92 PID 2108 wrote to memory of 412 2108 vpn.exe 92 PID 2108 wrote to memory of 412 2108 vpn.exe 92 PID 3016 wrote to memory of 2932 3016 rundll32.exe 93 PID 3016 wrote to memory of 2932 3016 rundll32.exe 93 PID 3016 wrote to memory of 2932 3016 rundll32.exe 93 PID 2932 wrote to memory of 1288 2932 rundll32.exe 94 PID 2932 wrote to memory of 1288 2932 rundll32.exe 94 PID 2932 wrote to memory of 1288 2932 rundll32.exe 94 PID 2932 wrote to memory of 3400 2932 rundll32.exe 95 PID 2932 wrote to memory of 3400 2932 rundll32.exe 95 PID 2932 wrote to memory of 3400 2932 rundll32.exe 95 PID 2932 wrote to memory of 3348 2932 rundll32.exe 98 PID 2932 wrote to memory of 3348 2932 rundll32.exe 98 PID 2932 wrote to memory of 3348 2932 rundll32.exe 98 PID 3348 wrote to memory of 496 3348 powershell.exe 100 PID 3348 wrote to memory of 496 3348 powershell.exe 100 PID 3348 wrote to memory of 496 3348 powershell.exe 100 PID 2932 wrote to memory of 3484 2932 rundll32.exe 101 PID 2932 wrote to memory of 3484 2932 rundll32.exe 101 PID 2932 wrote to memory of 3484 2932 rundll32.exe 101 PID 2932 wrote to memory of 2132 2932 rundll32.exe 103 PID 2932 wrote to memory of 2132 2932 rundll32.exe 103 PID 2932 wrote to memory of 2132 2932 rundll32.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\208e8dd08e5487af9ec875fef96c168a.exe"C:\Users\Admin\AppData\Local\Temp\208e8dd08e5487af9ec875fef96c168a.exe"1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\nYIlBslV.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3308 -
C:\Users\Admin\AppData\Local\Temp\nYIlBslV.exe"C:\Users\Admin\AppData\Local\Temp\nYIlBslV.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe"C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe"4⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1300 -
C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"5⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
PID:2172
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C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe"C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe"4⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Users\Admin\AppData\Local\Temp\vawmlkil.exe"C:\Users\Admin\AppData\Local\Temp\vawmlkil.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\VAWMLK~1.TMP,S C:\Users\Admin\AppData\Local\Temp\vawmlkil.exe6⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\PROGRA~3\LAUVHF~1\JHAKLD~1.TMP,UxY9VA== C:\Users\Admin\AppData\Local\Temp\VAWMLK~1.TMP7⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 318018⤵PID:1288
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp49AC.tmp.ps1"8⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp5C7B.tmp.ps1"8⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Windows\SysWOW64\nslookup.exe"C:\Windows\system32\nslookup.exe" -type=any localhost9⤵PID:496
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask8⤵PID:3484
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask8⤵PID:2132
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\vvufyooigof.vbs"5⤵PID:2608
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\dnltegso.vbs"5⤵
- Blocklisted process makes network request
- Modifies system certificate store
PID:412
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\CodpxWDVCLb & timeout 3 & del /f /q "C:\Users\Admin\AppData\Local\Temp\208e8dd08e5487af9ec875fef96c168a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2152
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