badrabbit | 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da

Analysis

user interaction
yes
max time kernel
898s
max time network
857s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/08/2026, 03:04

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General

Target
BadRabbit.exe
Size 431KB
Sample260815-dk37wsdq9t
SHA256 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
MD5 fbbdc39af1139aebba4da004475e8839
SHA1 de5c8d858e6e41da715dca1c019df0bfb92d32c0
SHA512 74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
SSDEEP 12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63
TLSH
T1199412426729EE92D1E1B8F84093E7CC4BB97B090FB991EF9D993485CC79B8319380D5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution badrabbit mimikatz persistence ransomware

Malware Config

Signatures

Family: BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
ransomware badrabbit
Family: Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
mimikatz

mimikatz is an open source tool to dump credentials on Windows 1 IoCs

resource	yara_rule
behavioral1/files/0x001900000002b539-19.dat	mimikatz

Executes dropped EXE 2 IoCs

pid	Process
4296	5C73.tmp
4528	cscc.dat

Loads dropped DLL 1 IoCs

pid	Process
3024	rundll32.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
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
File created	C:\Windows\dispci.exe	rundll32.exe
File opened for modification	C:\Windows\5C73.tmp	rundll32.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4556	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BadRabbit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3536	schtasks.exe
3888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3024	rundll32.exe
3024	rundll32.exe
3024	rundll32.exe
3024	rundll32.exe
4296	5C73.tmp
4296	5C73.tmp
4296	5C73.tmp
4296	5C73.tmp
4296	5C73.tmp
4296	5C73.tmp

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3024	rundll32.exe
Token: SeDebugPrivilege	3024	rundll32.exe
Token: SeTcbPrivilege	3024	rundll32.exe
Token: SeDebugPrivilege	4296	5C73.tmp

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 3024	1264	BadRabbit.exe	81
PID 3024 wrote to memory of 4516	3024	rundll32.exe	82
PID 4516 wrote to memory of 3920	4516	cmd.exe	84
PID 3024 wrote to memory of 4556	3024	rundll32.exe	85
PID 3024 wrote to memory of 3280	3024	rundll32.exe	87
PID 4556 wrote to memory of 3536	4556	cmd.exe	88
PID 3024 wrote to memory of 4296	3024	rundll32.exe	89
PID 3280 wrote to memory of 3888	3280	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe
"C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Delete /F /TN rhaegal
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4516
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /F /TN rhaegal
      4⤵
      System Location Discovery: System Language Discovery
      PID:3920
- - 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 178014162 && exit"
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4556
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 178014162 && exit"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3536
- - 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 03:23:00
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3280
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 03:23:00
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3888
- - C:\Windows\5C73.tmp
    "C:\Windows\5C73.tmp" \\.\pipe\{CFE3B912-768A-44AD-94E7-DD3654032BAA}
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4296

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe
1⤵
PID:3584

C:\Windows\system32\shutdown.exe
C:\Windows\system32\shutdown.exe
1⤵
PID:1060

C:\Windows\cscc.dat
cscc.dat
1⤵
- Executes dropped EXE
PID:4528

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

5C73.tmp

Path C:\Windows\5C73.tmp
Size 60KB
SHA256 301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c
MD5 347ac3b6b791054de3e5720a7144a977
SHA1 413eba3973a15c1a6429d9f170f3e8287f98c21c
SHA512 9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787
SSDEEP 1536:QeRCKjey4TTGLeBYEUW1SIUDoCB449rHUV:KKjey4TTmeBZUGSIUDoCq49oV
TLSH
T1E6536C5A23A441F8E5679231C8B1ED16E7B2B8461370834F02A8C6AB5FB37D19D3C772
MD5 SHA1 SHA512 SSDEEP TLSH

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cscc.dat

Path C:\Windows\cscc.dat
Size 205KB
SHA256 0b2f863f4119dc88a22cc97c0a136c88a0127cb026751303b045f7322a8972f6
MD5 edb72f4a46c39452d1a5414f7d26454a
SHA1 08f94684e83a27f2414f439975b7f8a6d61fc056
SHA512 d62a19436aba8b2d181c065076b4ab54d7d8159d71237f83f1aff8c3d132a80290af39a8142708acb468d78958c64f338ba6ad0cab9fbac001a6a0bddc0e4faa
SSDEEP 3072:zCBsPmcx7BTn/irEsrDUxo2vYsWwYEJOXKVviEWuwlVBgzUMqqDLW+z3AHW5:8sPnBT/irETNWiJOXKVvKBgz3qqDL1zt
TLSH
T19D244D8D91B90494ECA3D0B5DFE98BD1F2273108C399F9E732A695F0A7235D4263DE06
MD5 SHA1 SHA512 SSDEEP TLSH

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infpub.dat

Path C:\Windows\infpub.dat
Size 401KB
SHA256 579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648
MD5 1d724f95c61f1055f0d02c2154bbccd3
SHA1 79116fe99f2b421c52ef64097f0f39b815b20907
SHA512 f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113
SSDEEP 12288:GtDjvhNTc/cq4RKZZKfArRuSA80m+/6sXRnfPGp:IjTc/cq4RUZaArbInfPGp
TLSH
T11094129332A00072D1B3893025A57B274FBEF5125CA45DEFA9BB19A51DB07C2BE2534F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3024-3-0x00000000023D0000-0x0000000002438000-memory.dmp

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memory/3024-10-0x00000000023D0000-0x0000000002438000-memory.dmp

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memory/3024-13-0x00000000023D0000-0x0000000002438000-memory.dmp

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memory/3024-40-0x00000000023D0000-0x0000000002438000-memory.dmp

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memory/4528-33-0x0000000000010000-0x0000000000047000-memory.dmp

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memory/4528-34-0x0000000000010000-0x0000000000047000-memory.dmp

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