f65048c3b27d95cef6fcf5d8ccf5ab820494270fde0753bc9df2744361cdc25f

Analysis

max time kernel
149s
max time network
98s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 05:41

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General

Target

2bdf48f65b718d86e9ded59a30f3eaa4_JaffaCakes118.dll
Size

1.7MB
MD5

2bdf48f65b718d86e9ded59a30f3eaa4
SHA1

4f9be831b939d4068f5c5993725b026f03627075
SHA256

f65048c3b27d95cef6fcf5d8ccf5ab820494270fde0753bc9df2744361cdc25f
SHA512

796b5e0d4f7b0917c68523eda5a7db03fd2f1c55e7d19c5c137e7f7062e028f0fccedb927ad8ecffdef8ca88e3129f2ba8d42bba616d8ccd6ab0ad0a8f151d44
SSDEEP

6144:GXkWpMQwzjCZl13fTS5W3tc7T1rdEjVJ3D:GXNMQ1ZDfTS5eccjVBD

Score

8^/10

discovery persistence

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
2	2856	rundll32.exe
3	2856	rundll32.exe
4	2856	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2856	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~3\\com32rimni.dat,StartAs"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~3\\com32rimni.dat,StartAs"	regsvr32.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\PROGRA~3\com32rimni.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\com32rimni.dat	regsvr32.exe
File created	C:\PROGRA~3\inmir23moc.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\inmir23moc.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\inmir23moc.dat	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	regsvr32.exe
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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-1-5-21-2703099537-420551529-3771253338-1000\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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2124	regsvr32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe
2856	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	regsvr32.exe
Token: SeDebugPrivilege	2856	rundll32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2124	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2124	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2124	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2124	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2124	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2124	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2124	2420	regsvr32.exe	29
PID 2124 wrote to memory of 1284	2124	regsvr32.exe	20
PID 2124 wrote to memory of 2856	2124	regsvr32.exe	30
PID 2124 wrote to memory of 2856	2124	regsvr32.exe	30
PID 2124 wrote to memory of 2856	2124	regsvr32.exe	30
PID 2124 wrote to memory of 2856	2124	regsvr32.exe	30
PID 2124 wrote to memory of 2856	2124	regsvr32.exe	30
PID 2124 wrote to memory of 2856	2124	regsvr32.exe	30
PID 2124 wrote to memory of 2856	2124	regsvr32.exe	30
PID 2856 wrote to memory of 1284	2856	rundll32.exe	20
PID 2856 wrote to memory of 1124	2856	rundll32.exe	18
PID 2856 wrote to memory of 1228	2856	rundll32.exe	19
PID 2856 wrote to memory of 1284	2856	rundll32.exe	20

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1228

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284
- C:\Windows\system32\regsvr32.exe
  regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2bdf48f65b718d86e9ded59a30f3eaa4_JaffaCakes118.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\regsvr32.exe
    /s C:\Users\Admin\AppData\Local\Temp\2bdf48f65b718d86e9ded59a30f3eaa4_JaffaCakes118.dll
    3⤵
    - Adds Run key to start application
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2124
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\PROGRA~3\com32rimni.dat,StartAs
      4⤵
      Blocklisted process makes network request
      Deletes itself
      Loads dropped DLL
      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:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

C:\PROGRA~3\com32rimni.dat

Filesize
3.6MB

MD5
dac75c76aa0c681165babe8a7f76a161

SHA1
2cf0131f55b02b13781449c4bb5e2f7805f6a913

SHA256
8fc40f41a23a3d7af3c6cb72a920a4b77671b3dc0cdaa0bf056bce5d79a90916

SHA512
06abe1a5e6b2f0667f197ed23484a61e448abdee5eba6038e2f8919916d9d3d96b11738a6ae76d7e71788d0044d1c6f0f2627d12d68ab2cd2a5706f66fc4cf06

Download Submit
memory/1284-14-0x0000000002040000-0x0000000002041000-memory.dmp

Filesize
4KB

Download
memory/2124-0-0x0000000000630000-0x0000000000697000-memory.dmp

Filesize
412KB

Download
memory/2124-1-0x0000000000631000-0x0000000000652000-memory.dmp

Filesize
132KB

Download
memory/2124-2-0x0000000000630000-0x0000000000697000-memory.dmp

Filesize
412KB

Download
memory/2124-3-0x0000000000630000-0x0000000000697000-memory.dmp

Filesize
412KB

Download
memory/2124-18-0x0000000000630000-0x0000000000697000-memory.dmp

Filesize
412KB

Download
memory/2124-17-0x0000000000631000-0x0000000000652000-memory.dmp

Filesize
132KB

Download
memory/2856-21-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download
memory/2856-22-0x0000000000201000-0x0000000000222000-memory.dmp

Filesize
132KB

Download
memory/2856-23-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download
memory/2856-51-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download
memory/2856-53-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download
memory/2856-134-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download
memory/2856-148-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download
memory/2856-162-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download
memory/2856-176-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download
memory/2856-189-0x0000000000200000-0x0000000000267000-memory.dmp

Filesize
412KB

Download