015a5df9acb20a5fd7ad758f99b42514706a076865db95961a0e0ac0e0459351

General

Target

6482d8cab34ccc9db04fad4e94e51e8a_JaffaCakes118.dll
Size

1.5MB
MD5

6482d8cab34ccc9db04fad4e94e51e8a
SHA1

c133845ff66016d4aa47179d420fb444a378bccf
SHA256

015a5df9acb20a5fd7ad758f99b42514706a076865db95961a0e0ac0e0459351
SHA512

5b8d297be39429d48b9286ad54a486f2b858918e79245a3ab88c1ca6f1fd0187fb4409f4926e54479bc5c342901c384f26f85dd4fd58e259dc85282f0c0ab9a3
SSDEEP

24576:tm6epFmphTr6K/v3wv1iwnE2SHchadkKyxo7KEBfbJ/JOyUY:tgmphTu4v3wv1pE2S8UdkvWB

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2648	2696	WerFault.exe	30

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\InprocServer32\Class = "dao.TableDefClass"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\InprocServer32\RuntimeVersion = "v1.0.3705"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\ProgID\ = "DAO.TableDef.36"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\ = "DAO.TableDef.36"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\InprocServer32\ = "%CommonProgramFiles(x86)%\\Microsoft Shared\\DAO\\dao360.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\InprocServer32\Assembly = "dao, Version=10.0.4504.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D707FD8-C1D6-BDD4-89F2-8F14D4AAD717}\ProgID	rundll32.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\ProgramData\TEMP:00382EBF	rundll32.exe
File opened for modification	C:\ProgramData\TEMP:00382EBF	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2696	rundll32.exe
Token: SeIncBasePriorityPrivilege	2696	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2696	2676	rundll32.exe	30
PID 2676 wrote to memory of 2696	2676	rundll32.exe	30
PID 2676 wrote to memory of 2696	2676	rundll32.exe	30
PID 2676 wrote to memory of 2696	2676	rundll32.exe	30
PID 2676 wrote to memory of 2696	2676	rundll32.exe	30
PID 2676 wrote to memory of 2696	2676	rundll32.exe	30
PID 2676 wrote to memory of 2696	2676	rundll32.exe	30
PID 2696 wrote to memory of 2648	2696	rundll32.exe	31
PID 2696 wrote to memory of 2648	2696	rundll32.exe	31
PID 2696 wrote to memory of 2648	2696	rundll32.exe	31
PID 2696 wrote to memory of 2648	2696	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6482d8cab34ccc9db04fad4e94e51e8a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6482d8cab34ccc9db04fad4e94e51e8a_JaffaCakes118.dll,#1
  2⤵
  - Checks BIOS information in registry
  - Modifies registry class
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 388
    3⤵
    - Program crash
    PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2696-7-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-8-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-3-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-1-0x0000000002230000-0x0000000002310000-memory.dmp

Filesize
896KB

Download
memory/2696-12-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-13-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-16-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-18-0x0000000001EDB000-0x0000000001EF8000-memory.dmp

Filesize
116KB

Download
memory/2696-15-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-14-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-11-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download
memory/2696-17-0x0000000002230000-0x0000000002310000-memory.dmp

Filesize
896KB

Download
memory/2696-21-0x0000000002230000-0x0000000002310000-memory.dmp

Filesize
896KB

Download
memory/2696-22-0x0000000001E40000-0x00000000020B6000-memory.dmp

Filesize
2.5MB

Download

Analysis

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