Overview
overview
10Static
static
77ev3n.exe
windows7-x64
7ev3n.exe
windows10-2004-x64
Annabelle.exe
windows7-x64
Annabelle.exe
windows10-2004-x64
BadRabbit.exe
windows7-x64
BadRabbit.exe
windows10-2004-x64
Birele.exe
windows10-2004-x64
10Cerber 5.exe
windows7-x64
10Cerber 5.exe
windows10-2004-x64
10Darkside.exe
windows7-x64
10Darkside.exe
windows10-2004-x64
10DeriaLock.exe
windows7-x64
7DeriaLock.exe
windows10-2004-x64
7Analysis
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max time kernel
116s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
15-03-2024 21:34
Behavioral task
behavioral1
Sample
7ev3n.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
7ev3n.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Annabelle.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Annabelle.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
BadRabbit.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
BadRabbit.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
Birele.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral8
Sample
Cerber 5.exe
Resource
win7-20240221-en
Behavioral task
behavioral9
Sample
Cerber 5.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral10
Sample
Darkside.exe
Resource
win7-20240221-en
Behavioral task
behavioral11
Sample
Darkside.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral12
Sample
DeriaLock.exe
Resource
win7-20240221-en
Behavioral task
behavioral13
Sample
DeriaLock.exe
Resource
win10v2004-20240226-en
Errors
General
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Target
BadRabbit.exe
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Size
431KB
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MD5
fbbdc39af1139aebba4da004475e8839
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SHA1
de5c8d858e6e41da715dca1c019df0bfb92d32c0
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SHA256
630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
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SHA512
74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
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SSDEEP
12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63
Malware Config
Signatures
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BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
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mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule behavioral6/files/0x0006000000023219-22.dat mimikatz -
Executes dropped EXE 1 IoCs
pid Process 4304 518B.tmp -
Loads dropped DLL 1 IoCs
pid Process 1588 rundll32.exe -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification C:\$RECYCLE.BIN\S-1-5-18\desktop.ini LogonUI.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\dispci.exe rundll32.exe File opened for modification C:\Windows\518B.tmp rundll32.exe File created C:\Windows\infpub.dat BadRabbit.exe File opened for modification C:\Windows\infpub.dat rundll32.exe File created C:\Windows\cscc.dat rundll32.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4604 schtasks.exe 3092 schtasks.exe -
Modifies data under HKEY_USERS 25 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket\Volume\{14f6f45c-0000-0000-0000-d01200000000} LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{40DD6E20-7C17-11CE-A804-00AA003CA9F6} {000214FC-0000-0000-C000-000000000046} 0xFFFF = 01000000000000007a7636e32077da01 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket\Volume\{14f6f45c-0000-0000-0000-d01200000000}\NukeOnDelete = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "7" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket\Volume LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket\Volume\{14f6f45c-0000-0000-0000-d01200000000}\MaxCapacity = "14116" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@%SystemRoot%\system32\shell32.dll,-50176 = "File Operation" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "162" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1588 rundll32.exe 1588 rundll32.exe 1588 rundll32.exe 1588 rundll32.exe 4304 518B.tmp 4304 518B.tmp 4304 518B.tmp 4304 518B.tmp 4304 518B.tmp 4304 518B.tmp -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 1588 rundll32.exe Token: SeDebugPrivilege 1588 rundll32.exe Token: SeTcbPrivilege 1588 rundll32.exe Token: SeDebugPrivilege 4304 518B.tmp Token: SeShutdownPrivilege 4128 LogonUI.exe Token: SeCreatePagefilePrivilege 4128 LogonUI.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4128 LogonUI.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 4660 wrote to memory of 1588 4660 BadRabbit.exe 86 PID 4660 wrote to memory of 1588 4660 BadRabbit.exe 86 PID 4660 wrote to memory of 1588 4660 BadRabbit.exe 86 PID 1588 wrote to memory of 2660 1588 rundll32.exe 87 PID 1588 wrote to memory of 2660 1588 rundll32.exe 87 PID 1588 wrote to memory of 2660 1588 rundll32.exe 87 PID 2660 wrote to memory of 3976 2660 cmd.exe 89 PID 2660 wrote to memory of 3976 2660 cmd.exe 89 PID 2660 wrote to memory of 3976 2660 cmd.exe 89 PID 1588 wrote to memory of 4416 1588 rundll32.exe 90 PID 1588 wrote to memory of 4416 1588 rundll32.exe 90 PID 1588 wrote to memory of 4416 1588 rundll32.exe 90 PID 1588 wrote to memory of 4824 1588 rundll32.exe 92 PID 1588 wrote to memory of 4824 1588 rundll32.exe 92 PID 1588 wrote to memory of 4824 1588 rundll32.exe 92 PID 4416 wrote to memory of 4604 4416 cmd.exe 94 PID 4416 wrote to memory of 4604 4416 cmd.exe 94 PID 4416 wrote to memory of 4604 4416 cmd.exe 94 PID 1588 wrote to memory of 4304 1588 rundll32.exe 95 PID 1588 wrote to memory of 4304 1588 rundll32.exe 95 PID 4824 wrote to memory of 3092 4824 cmd.exe 97 PID 4824 wrote to memory of 3092 4824 cmd.exe 97 PID 4824 wrote to memory of 3092 4824 cmd.exe 97 PID 1588 wrote to memory of 1188 1588 rundll32.exe 112 PID 1588 wrote to memory of 1188 1588 rundll32.exe 112 PID 1588 wrote to memory of 1188 1588 rundll32.exe 112 PID 1588 wrote to memory of 1340 1588 rundll32.exe 114 PID 1588 wrote to memory of 1340 1588 rundll32.exe 114 PID 1588 wrote to memory of 1340 1588 rundll32.exe 114 PID 1340 wrote to memory of 1840 1340 cmd.exe 116 PID 1340 wrote to memory of 1840 1340 cmd.exe 116 PID 1340 wrote to memory of 1840 1340 cmd.exe 116
Processes
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C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe"C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 152⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN rhaegal3⤵
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN rhaegal4⤵PID:3976
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C:\Windows\SysWOW64\cmd.exe/c schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 58934064 && exit"3⤵
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 58934064 && exit"4⤵
- Creates scheduled task(s)
PID:4604
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C:\Windows\SysWOW64\cmd.exe/c schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 21:53:003⤵
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 21:53:004⤵
- Creates scheduled task(s)
PID:3092
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C:\Windows\518B.tmp"C:\Windows\518B.tmp" \\.\pipe\{27787248-D197-413D-AC4E-84DE564A37D0}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304
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C:\Windows\SysWOW64\cmd.exe/c wevtutil cl Setup & wevtutil cl System & wevtutil cl Security & wevtutil cl Application & fsutil usn deletejournal /D C:3⤵PID:1188
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C:\Windows\SysWOW64\cmd.exe/c schtasks /Delete /F /TN drogon3⤵
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Delete /F /TN drogon4⤵PID:1840
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3944855 /state1:0x41c64e6d1⤵
- Drops desktop.ini file(s)
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4128
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\ProgramData\Microsoft\Windows\SystemData\S-1-5-21-1497073144-2389943819-3385106915-1000\ReadOnly\LockScreen_O\LockScreen___1280_0720_notdimmed.jpg
Filesize176KB
MD59aeaabc0fcd0b4cdaccfe8274b9e6ab4
SHA111c683e5b5727158052912cadf55f7ed3b796e96
SHA256bf2a8ce420440be0bcb4c9aadb76bf391ea43ff266e49f01e4a953a0d345238a
SHA512aaed72ad365a4128af4559f0c56549856508f9e528574b2a345d2c817ad2ae0b8fc573d9d1f039c65facc9ab45a13c0d307896e56fbbb7af8aa48c7c87665b8d
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Filesize
60KB
MD5347ac3b6b791054de3e5720a7144a977
SHA1413eba3973a15c1a6429d9f170f3e8287f98c21c
SHA256301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c
SHA5129a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787
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Filesize
401KB
MD51d724f95c61f1055f0d02c2154bbccd3
SHA179116fe99f2b421c52ef64097f0f39b815b20907
SHA256579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648
SHA512f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113
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Filesize
321KB
MD5d559d894d23445470f5daf156e4d5569
SHA106f17f28594b46c4dbba3d9a3388a185d00e2604
SHA2565d12fe570d3dd00c45b93cb241a81a6605bb8994dee888dfc009de0c954a6d42
SHA512babe2171e585c4387fbd9b65ed9b56d16f56835e1f7d54faa79711a6dc4582ed2464e0ba2941fea994c04b030635ddd1aa067fd9415b024e0692bd511e03ae9f