ca87535184390778305cdcddba04c99c6598951eb25dac80ac649eba8874eda8

General

Target

879c6bc3d47114bc10c5025989d0a186_JaffaCakes118.dll
Size

1.3MB
MD5

879c6bc3d47114bc10c5025989d0a186
SHA1

ff150e0497601c52c899c9de15cf1691046e5c4d
SHA256

ca87535184390778305cdcddba04c99c6598951eb25dac80ac649eba8874eda8
SHA512

e4af6e1b7a45f438ee4d54598820ac510c4fe4afbe05aac56a269c2aa9760defd3c08cd4a67034d7db7e6872f7e333f475bcd8619db915174da3c4ef05bfc10e
SSDEEP

3072:a/o+O5t4BrBhhOObydBRTJd4RaogkW9vR6OatEBY6BXhZDDd29K85:ZV5u6dsNgpQqhB0v

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~3\\dll64whto.dat,StartAs"	rundll32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~3\othw46lld.dat	rundll32.exe
File created	C:\PROGRA~3\dll64whto.dat	rundll32.exe
File opened for modification	C:\PROGRA~3\dll64whto.dat	rundll32.exe
File created	C:\PROGRA~3\othw46lld.dat	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	rundll32.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4716	rundll32.exe
4716	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4716	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 4716	2988	rundll32.exe	84
PID 2988 wrote to memory of 4716	2988	rundll32.exe	84
PID 2988 wrote to memory of 4716	2988	rundll32.exe	84
PID 4716 wrote to memory of 3420	4716	rundll32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3420
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\879c6bc3d47114bc10c5025989d0a186_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\879c6bc3d47114bc10c5025989d0a186_JaffaCakes118.dll,#1
    3⤵
    - Adds Run key to start application
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer Protected Mode
    - Modifies Internet Explorer Protected Mode Banner
    - Modifies Internet Explorer settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\PROGRA~3\dll64whto.dat

Filesize
2.3MB

MD5
c65ed45fe302a389945730da32d8baf5

SHA1
11bce8b09cdc0551f9d0571d8ef155385f16d5e9

SHA256
61098bbc40f4e3c7ebbb9ccac108d4a7f2883fd609eac7b1886f5849990b043a

SHA512
ca784270049cb6734769d6965e0052009885bb40137f8c03a5f113c3b78294d0231886f9d7da131de03543510cde1087121c66b1e688315339b1f70496596b77

Download Submit
memory/4716-1-0x0000000000760000-0x00000000007BC000-memory.dmp

Filesize
368KB

Download
memory/4716-0-0x0000000000760000-0x00000000007BC000-memory.dmp

Filesize
368KB

Download
memory/4716-2-0x0000000000763000-0x0000000000767000-memory.dmp

Filesize
16KB

Download
memory/4716-3-0x0000000000760000-0x00000000007BC000-memory.dmp

Filesize
368KB

Download
memory/4716-4-0x0000000000760000-0x00000000007BC000-memory.dmp

Filesize
368KB

Download
memory/4716-18-0x0000000000760000-0x00000000007BC000-memory.dmp

Filesize
368KB

Download
memory/4716-20-0x0000000000763000-0x0000000000767000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads