Analysis
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max time kernel
144s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-12-2024 12:42
Static task
static1
Behavioral task
behavioral1
Sample
c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe
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Size
10.9MB
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MD5
c7bfea0e1fa04342d6c32abe84e75acf
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SHA1
f91b2ede055fa0e3348310ff0794409a3c857819
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SHA256
6de6aec6a5c130802bc31f27194e2deeab5e72dce322d925d270359a0a239f8a
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SHA512
57c4b451230c5b315ed58ce5467107a2a853985d06e05f63fd2e9e5e78fe20428a184cf637e6871642093ce3d907ae4a44e5d874e78da6c59c2f8e10a491b50d
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SSDEEP
196608:IXPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPH:I
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Tofsee family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\emzrmvcv = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2784 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\emzrmvcv\ImagePath = "C:\\Windows\\SysWOW64\\emzrmvcv\\oavszyym.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2592 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2712 oavszyym.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2712 set thread context of 2592 2712 oavszyym.exe 44 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2236 sc.exe 2684 sc.exe 2836 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language oavszyym.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2124 wrote to memory of 1384 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 31 PID 2124 wrote to memory of 1384 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 31 PID 2124 wrote to memory of 1384 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 31 PID 2124 wrote to memory of 1384 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 31 PID 2124 wrote to memory of 2916 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 33 PID 2124 wrote to memory of 2916 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 33 PID 2124 wrote to memory of 2916 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 33 PID 2124 wrote to memory of 2916 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 33 PID 2124 wrote to memory of 2236 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 35 PID 2124 wrote to memory of 2236 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 35 PID 2124 wrote to memory of 2236 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 35 PID 2124 wrote to memory of 2236 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 35 PID 2124 wrote to memory of 2684 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 37 PID 2124 wrote to memory of 2684 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 37 PID 2124 wrote to memory of 2684 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 37 PID 2124 wrote to memory of 2684 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 37 PID 2124 wrote to memory of 2836 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 39 PID 2124 wrote to memory of 2836 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 39 PID 2124 wrote to memory of 2836 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 39 PID 2124 wrote to memory of 2836 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 39 PID 2124 wrote to memory of 2784 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 42 PID 2124 wrote to memory of 2784 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 42 PID 2124 wrote to memory of 2784 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 42 PID 2124 wrote to memory of 2784 2124 c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe 42 PID 2712 wrote to memory of 2592 2712 oavszyym.exe 44 PID 2712 wrote to memory of 2592 2712 oavszyym.exe 44 PID 2712 wrote to memory of 2592 2712 oavszyym.exe 44 PID 2712 wrote to memory of 2592 2712 oavszyym.exe 44 PID 2712 wrote to memory of 2592 2712 oavszyym.exe 44 PID 2712 wrote to memory of 2592 2712 oavszyym.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\emzrmvcv\2⤵
- System Location Discovery: System Language Discovery
PID:1384
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oavszyym.exe" C:\Windows\SysWOW64\emzrmvcv\2⤵
- System Location Discovery: System Language Discovery
PID:2916
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create emzrmvcv binPath= "C:\Windows\SysWOW64\emzrmvcv\oavszyym.exe /d\"C:\Users\Admin\AppData\Local\Temp\c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2236
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description emzrmvcv "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2684
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start emzrmvcv2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2836
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2784
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C:\Windows\SysWOW64\emzrmvcv\oavszyym.exeC:\Windows\SysWOW64\emzrmvcv\oavszyym.exe /d"C:\Users\Admin\AppData\Local\Temp\c7bfea0e1fa04342d6c32abe84e75acf_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2592
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Network
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Remote address:8.8.8.8:53Requestmicrosoft.comIN AResponsemicrosoft.comIN A20.231.239.246microsoft.comIN A20.76.201.171microsoft.comIN A20.112.250.133microsoft.comIN A20.236.44.162microsoft.comIN A20.70.246.20
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Remote address:8.8.8.8:53Requestmicrosoft.comIN MXResponsemicrosoft.comIN MXmicrosoft-commail protectionoutlook�
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Remote address:8.8.8.8:53Requestmicrosoft-com.mail.protection.outlook.comIN AResponsemicrosoft-com.mail.protection.outlook.comIN A52.101.40.26microsoft-com.mail.protection.outlook.comIN A52.101.11.0microsoft-com.mail.protection.outlook.comIN A52.101.8.49microsoft-com.mail.protection.outlook.comIN A52.101.42.0
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Remote address:8.8.8.8:53Requestdefeatwax.ruIN AResponse
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Remote address:8.8.8.8:53Requestyahoo.comIN MXResponseyahoo.comIN MXmta5am0yahoodnsnetyahoo.comIN MXmta6�.yahoo.comIN MXmta7�.
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Remote address:8.8.8.8:53Requestmta5.am0.yahoodns.netIN AResponsemta5.am0.yahoodns.netIN A67.195.204.74mta5.am0.yahoodns.netIN A98.136.96.76mta5.am0.yahoodns.netIN A67.195.228.109mta5.am0.yahoodns.netIN A67.195.204.79mta5.am0.yahoodns.netIN A67.195.204.73mta5.am0.yahoodns.netIN A98.136.96.91mta5.am0.yahoodns.netIN A67.195.228.94mta5.am0.yahoodns.netIN A98.136.96.75
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Remote address:8.8.8.8:53Requestgoogle.comIN MXResponsegoogle.comIN MXsmtp�
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Remote address:8.8.8.8:53Requestsmtp.google.comIN AResponsesmtp.google.comIN A64.233.167.26smtp.google.comIN A74.125.206.27smtp.google.comIN A74.125.206.26smtp.google.comIN A142.251.173.27smtp.google.comIN A64.233.167.27
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Remote address:8.8.8.8:53Requestmail.ruIN MXResponsemail.ruIN MXmxs�
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Remote address:8.8.8.8:53Requestmxs.mail.ruIN AResponsemxs.mail.ruIN A217.69.139.150mxs.mail.ruIN A94.100.180.31
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Remote address:8.8.8.8:53Requestrefabyd.infoIN AResponse
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190 B 132 B 4 3
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152 B 3
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152 B 3
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152 B 3
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152 B 3
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59 B 139 B 1 1
DNS Request
microsoft.com
DNS Response
20.231.239.24620.76.201.17120.112.250.13320.236.44.16220.70.246.20
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59 B 113 B 1 1
DNS Request
microsoft.com
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87 B 151 B 1 1
DNS Request
microsoft-com.mail.protection.outlook.com
DNS Response
52.101.40.2652.101.11.052.101.8.4952.101.42.0
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58 B 119 B 1 1
DNS Request
defeatwax.ru
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55 B 134 B 1 1
DNS Request
yahoo.com
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67 B 195 B 1 1
DNS Request
mta5.am0.yahoodns.net
DNS Response
67.195.204.7498.136.96.7667.195.228.10967.195.204.7967.195.204.7398.136.96.9167.195.228.9498.136.96.75
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56 B 77 B 1 1
DNS Request
google.com
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61 B 141 B 1 1
DNS Request
smtp.google.com
DNS Response
64.233.167.2674.125.206.2774.125.206.26142.251.173.2764.233.167.27
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53 B 73 B 1 1
DNS Request
mail.ru
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57 B 89 B 1 1
DNS Request
mxs.mail.ru
DNS Response
217.69.139.15094.100.180.31
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58 B 137 B 1 1
DNS Request
refabyd.info
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
10.6MB
MD5c159cf64a33b1991c279a159b670c2bc
SHA1758cc510c32956c282e3a3a6079f639ec9547ff9
SHA2563d52946df885328d194a8594c3d81018e9a19acc01bec9f559b5e4521b449020
SHA512bf8ca24e85c1d39e425b53c0140f76eca93cecf8bc5250368ac1fece9da71feffecde97c8e7e3d3f6998b0b02639a0b1bcb9d6a0df5d1576b76e749e0fc0df8b