badrabbit | c6a916c33096cd488ca57c28863c433cf5279128aa50ea156761bab6444f4937

Resubmissions

24-02-2024 15:44

240224-s6pzqafh53 10

24-02-2024 14:06

240224-relmjsdh45 10

24-02-2024 11:48

240224-nyvssabe4w 3

Analysis

max time kernel
362s
max time network
365s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 15:44

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General

Target

Ransomware.BadRabbit.exe
Size

431KB
MD5

fbbdc39af1139aebba4da004475e8839
SHA1

de5c8d858e6e41da715dca1c019df0bfb92d32c0
SHA256

630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
SHA512

74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
SSDEEP

12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63

Score

10^/10

badrabbit mimikatz ransomware

Malware Config

Signatures

BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
ransomware badrabbit
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
behavioral2/files/0x000700000002320e-20.dat	mimikatz

Blocklisted process makes network request 2 IoCs

flow	pid	Process
361	3808	rundll32.exe
397	3808	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
2084	37F8.tmp

Loads dropped DLL 5 IoCs

pid	Process
3808	rundll32.exe
4416	rundll32.exe
2336	rundll32.exe
1268	rundll32.exe
3540	rundll32.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\37F8.tmp	rundll32.exe
File created	C:\Windows\infpub.dat	Ransomware.BadRabbit.exe
File opened for modification	C:\Windows\infpub.dat	rundll32.exe
File opened for modification	C:\Windows\infpub.dat	rundll32.exe
File created	C:\Windows\infpub.dat	Ransomware.BadRabbit.exe
File opened for modification	C:\Windows\infpub.dat	rundll32.exe
File created	C:\Windows\dispci.exe	rundll32.exe
File opened for modification	C:\Windows\infpub.dat	rundll32.exe
File created	C:\Windows\infpub.dat	Ransomware.BadRabbit.exe
File created	C:\Windows\cscc.dat	rundll32.exe
File created	C:\Windows\infpub.dat	Ransomware.BadRabbit.exe
File opened for modification	C:\Windows\infpub.dat	rundll32.exe
File created	C:\Windows\infpub.dat	Ransomware.BadRabbit.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
792	schtasks.exe
756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
3808	rundll32.exe
3808	rundll32.exe
3808	rundll32.exe
3808	rundll32.exe
2084	37F8.tmp
2084	37F8.tmp
2084	37F8.tmp
2084	37F8.tmp
2084	37F8.tmp
2084	37F8.tmp
4416	rundll32.exe
4416	rundll32.exe
2336	rundll32.exe
2336	rundll32.exe
1268	rundll32.exe
1268	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3808	rundll32.exe
Token: SeDebugPrivilege	3808	rundll32.exe
Token: SeTcbPrivilege	3808	rundll32.exe
Token: SeDebugPrivilege	2084	37F8.tmp
Token: SeShutdownPrivilege	4416	rundll32.exe
Token: SeDebugPrivilege	4416	rundll32.exe
Token: SeTcbPrivilege	4416	rundll32.exe
Token: SeShutdownPrivilege	2336	rundll32.exe
Token: SeDebugPrivilege	2336	rundll32.exe
Token: SeTcbPrivilege	2336	rundll32.exe
Token: SeShutdownPrivilege	1268	rundll32.exe
Token: SeDebugPrivilege	1268	rundll32.exe
Token: SeTcbPrivilege	1268	rundll32.exe
Token: SeShutdownPrivilege	3540	rundll32.exe
Token: SeDebugPrivilege	3540	rundll32.exe
Token: SeTcbPrivilege	3540	rundll32.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3808	1940	Ransomware.BadRabbit.exe	87
PID 1940 wrote to memory of 3808	1940	Ransomware.BadRabbit.exe	87
PID 1940 wrote to memory of 3808	1940	Ransomware.BadRabbit.exe	87
PID 3808 wrote to memory of 4648	3808	rundll32.exe	88
PID 3808 wrote to memory of 4648	3808	rundll32.exe	88
PID 3808 wrote to memory of 4648	3808	rundll32.exe	88
PID 4648 wrote to memory of 2484	4648	cmd.exe	90
PID 4648 wrote to memory of 2484	4648	cmd.exe	90
PID 4648 wrote to memory of 2484	4648	cmd.exe	90
PID 3808 wrote to memory of 5080	3808	rundll32.exe	94
PID 3808 wrote to memory of 5080	3808	rundll32.exe	94
PID 3808 wrote to memory of 5080	3808	rundll32.exe	94
PID 3808 wrote to memory of 1500	3808	rundll32.exe	97
PID 3808 wrote to memory of 1500	3808	rundll32.exe	97
PID 3808 wrote to memory of 1500	3808	rundll32.exe	97
PID 5080 wrote to memory of 792	5080	cmd.exe	96
PID 5080 wrote to memory of 792	5080	cmd.exe	96
PID 5080 wrote to memory of 792	5080	cmd.exe	96
PID 3808 wrote to memory of 2084	3808	rundll32.exe	99
PID 3808 wrote to memory of 2084	3808	rundll32.exe	99
PID 1500 wrote to memory of 756	1500	cmd.exe	101
PID 1500 wrote to memory of 756	1500	cmd.exe	101
PID 1500 wrote to memory of 756	1500	cmd.exe	101
PID 4560 wrote to memory of 4416	4560	Ransomware.BadRabbit.exe	115
PID 4560 wrote to memory of 4416	4560	Ransomware.BadRabbit.exe	115
PID 4560 wrote to memory of 4416	4560	Ransomware.BadRabbit.exe	115
PID 3152 wrote to memory of 2336	3152	Ransomware.BadRabbit.exe	118
PID 3152 wrote to memory of 2336	3152	Ransomware.BadRabbit.exe	118
PID 3152 wrote to memory of 2336	3152	Ransomware.BadRabbit.exe	118
PID 3844 wrote to memory of 1268	3844	Ransomware.BadRabbit.exe	121
PID 3844 wrote to memory of 1268	3844	Ransomware.BadRabbit.exe	121
PID 3844 wrote to memory of 1268	3844	Ransomware.BadRabbit.exe	121
PID 1664 wrote to memory of 3540	1664	Ransomware.BadRabbit.exe	124
PID 1664 wrote to memory of 3540	1664	Ransomware.BadRabbit.exe	124
PID 1664 wrote to memory of 3540	1664	Ransomware.BadRabbit.exe	124

C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe
"C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3808
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Delete /F /TN rhaegal
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4648
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /F /TN rhaegal
      4⤵
      PID:2484
- - 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 2563129147 && exit"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5080
  - - 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 2563129147 && exit"
      4⤵
      Creates scheduled task(s)
      PID:792
- - 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 17:39:00
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1500
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 17:39:00
      4⤵
      Creates scheduled task(s)
      PID:756
- - C:\Windows\37F8.tmp
    "C:\Windows\37F8.tmp" \\.\pipe\{74F32BE2-E6BA-4551-B85E-2A9AC4DBE953}
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2084

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:512

C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe
"C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4560
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4416

C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe
"C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3152
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2336

C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe
"C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3844
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1268

C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe
"C:\Users\Admin\AppData\Local\Temp\Ransomware.BadRabbit.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1664
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\37F8.tmp

Filesize
60KB

MD5
347ac3b6b791054de3e5720a7144a977

SHA1
413eba3973a15c1a6429d9f170f3e8287f98c21c

SHA256
301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

SHA512
9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

Download Submit
C:\Windows\infpub.dat

Filesize
401KB

MD5
c4f26ed277b51ef45fa180be597d96e8

SHA1
e9efc622924fb965d4a14bdb6223834d9a9007e7

SHA256
14d82a676b63ab046ae94fa5e41f9f69a65dc7946826cb3d74cea6c030c2f958

SHA512
afc2a8466f106e81d423065b07aed2529cbf690ab4c3e019334f1bedfb42dc0e0957be83d860a84b7285bd49285503bfe95a1cf571a678dbc9bdb07789da928e

Download Submit
C:\Windows\infpub.dat

Filesize
401KB

MD5
1d724f95c61f1055f0d02c2154bbccd3

SHA1
79116fe99f2b421c52ef64097f0f39b815b20907

SHA256
579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648

SHA512
f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113

Download Submit
memory/2336-77-0x0000000002E50000-0x0000000002EB8000-memory.dmp

Filesize
416KB

Download
memory/2336-85-0x0000000002E50000-0x0000000002EB8000-memory.dmp

Filesize
416KB

Download
memory/3808-3-0x00000000029C0000-0x0000000002A28000-memory.dmp

Filesize
416KB

Download
memory/3808-11-0x00000000029C0000-0x0000000002A28000-memory.dmp

Filesize
416KB

Download
memory/3808-14-0x00000000029C0000-0x0000000002A28000-memory.dmp

Filesize
416KB

Download
memory/4416-65-0x0000000000CD0000-0x0000000000D38000-memory.dmp

Filesize
416KB

Download
memory/4416-73-0x0000000000CD0000-0x0000000000D38000-memory.dmp

Filesize
416KB

Download