badrabbit | 92e764fc16284e034e7608c2edd404537b5f1ed18e6ec55a42e9bf3cffa904dd

General

Target

2024-04-26_cfff3d6a65ed27626da9ce130ff1203c_bad-rabbit_cerber_eternalpetya_metamorfo_petya_wannacry.exe
Size

9.8MB
MD5

cfff3d6a65ed27626da9ce130ff1203c
SHA1

c8113686f28a88541d097e56bd877e7decf70f73
SHA256

92e764fc16284e034e7608c2edd404537b5f1ed18e6ec55a42e9bf3cffa904dd
SHA512

9ebe5fda4dc820a9212dcbf30326656fa5303ecb8c89bbd49043168d2c4b5bb755e6dad8c468886d885a6a4bf8a8357ea642415626ef7025703cfb81c0af96a3
SSDEEP

196608:8BPgnBgF6nnXAqPe1Cxcxk3ZAEUadzR8yc4gw7mLqFRb2HxH:9nBgF6nQqG1Fxk3mEUadzRURfqHAR

Score

10^/10

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

Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in ransomware 4 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023270-1.dat	INDICATOR_SUSPICIOUS_USNDeleteJournal
behavioral2/memory/2140-3-0x0000000000D90000-0x0000000000DF8000-memory.dmp	INDICATOR_SUSPICIOUS_USNDeleteJournal
behavioral2/memory/2140-11-0x0000000000D90000-0x0000000000DF8000-memory.dmp	INDICATOR_SUSPICIOUS_USNDeleteJournal
behavioral2/memory/2140-14-0x0000000000D90000-0x0000000000DF8000-memory.dmp	INDICATOR_SUSPICIOUS_USNDeleteJournal

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

resource	yara_rule
behavioral2/files/0x0009000000023369-20.dat	mimikatz

Executes dropped EXE 1 IoCs

pid	Process
2336	5C87.tmp

Loads dropped DLL 1 IoCs

pid	Process
2140	rundll32.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\infpub.dat	2024-04-26_cfff3d6a65ed27626da9ce130ff1203c_bad-rabbit_cerber_eternalpetya_metamorfo_petya_wannacry.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\5C87.tmp	rundll32.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
900	schtasks.exe
3204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2336	5C87.tmp
2336	5C87.tmp
2336	5C87.tmp
2336	5C87.tmp
2336	5C87.tmp
2336	5C87.tmp

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2140	rundll32.exe
Token: SeDebugPrivilege	2140	rundll32.exe
Token: SeTcbPrivilege	2140	rundll32.exe
Token: SeDebugPrivilege	2336	5C87.tmp

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2140	1796	2024-04-26_cfff3d6a65ed27626da9ce130ff1203c_bad-rabbit_cerber_eternalpetya_metamorfo_petya_wannacry.exe	87
PID 1796 wrote to memory of 2140	1796	2024-04-26_cfff3d6a65ed27626da9ce130ff1203c_bad-rabbit_cerber_eternalpetya_metamorfo_petya_wannacry.exe	87
PID 1796 wrote to memory of 2140	1796	2024-04-26_cfff3d6a65ed27626da9ce130ff1203c_bad-rabbit_cerber_eternalpetya_metamorfo_petya_wannacry.exe	87
PID 2140 wrote to memory of 2628	2140	rundll32.exe	88
PID 2140 wrote to memory of 2628	2140	rundll32.exe	88
PID 2140 wrote to memory of 2628	2140	rundll32.exe	88
PID 2628 wrote to memory of 1568	2628	cmd.exe	90
PID 2628 wrote to memory of 1568	2628	cmd.exe	90
PID 2628 wrote to memory of 1568	2628	cmd.exe	90
PID 2140 wrote to memory of 1924	2140	rundll32.exe	94
PID 2140 wrote to memory of 1924	2140	rundll32.exe	94
PID 2140 wrote to memory of 1924	2140	rundll32.exe	94
PID 2140 wrote to memory of 4796	2140	rundll32.exe	96
PID 2140 wrote to memory of 4796	2140	rundll32.exe	96
PID 2140 wrote to memory of 4796	2140	rundll32.exe	96
PID 2140 wrote to memory of 2336	2140	rundll32.exe	98
PID 2140 wrote to memory of 2336	2140	rundll32.exe	98
PID 1924 wrote to memory of 900	1924	cmd.exe	100
PID 1924 wrote to memory of 900	1924	cmd.exe	100
PID 1924 wrote to memory of 900	1924	cmd.exe	100
PID 4796 wrote to memory of 3204	4796	cmd.exe	101
PID 4796 wrote to memory of 3204	4796	cmd.exe	101
PID 4796 wrote to memory of 3204	4796	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\2024-04-26_cfff3d6a65ed27626da9ce130ff1203c_bad-rabbit_cerber_eternalpetya_metamorfo_petya_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-26_cfff3d6a65ed27626da9ce130ff1203c_bad-rabbit_cerber_eternalpetya_metamorfo_petya_wannacry.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1796
- 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
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Delete /F /TN rhaegal
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2628
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /F /TN rhaegal
      4⤵
      PID:1568
- - 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 1852768608 && exit"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1924
  - - 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 1852768608 && exit"
      4⤵
      Creates scheduled task(s)
      PID:900
- - 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 01:45:00
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4796
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 01:45:00
      4⤵
      Creates scheduled task(s)
      PID:3204
- - C:\Windows\5C87.tmp
    "C:\Windows\5C87.tmp" \\.\pipe\{7AF87F7A-4908-45E1-A488-A554DBA74245}
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\5C87.tmp

Filesize
60KB

MD5
347ac3b6b791054de3e5720a7144a977

SHA1
413eba3973a15c1a6429d9f170f3e8287f98c21c

SHA256
301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

SHA512
9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

Download Submit
C:\Windows\infpub.dat

Filesize
401KB

MD5
1d724f95c61f1055f0d02c2154bbccd3

SHA1
79116fe99f2b421c52ef64097f0f39b815b20907

SHA256
579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648

SHA512
f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113

Download Submit
memory/2140-3-0x0000000000D90000-0x0000000000DF8000-memory.dmp

Filesize
416KB

Download
memory/2140-11-0x0000000000D90000-0x0000000000DF8000-memory.dmp

Filesize
416KB

Download
memory/2140-14-0x0000000000D90000-0x0000000000DF8000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads