659918f9b61c39cce96be45969d809fbf096b9c25a9c3cd2f8db583978436c1a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 05:22

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General

Target

12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe
Size

49KB
MD5

12015299ab4645aae7f99d4516a0dd3c
SHA1

d8b2a29bb6a2924e382f7546827ac5437f705a89
SHA256

659918f9b61c39cce96be45969d809fbf096b9c25a9c3cd2f8db583978436c1a
SHA512

c5c0d48bf1ded83155bdab796ee268ef028be065b3e818124c710c50c15deac3da168e7b04629580c7b29e8b39e5786cabc917cd5416147b50f556357014ea4b
SSDEEP

768:FnAYThnRJfc3O9wVI+dOaRbYxZCHfsNqmBJHXnNKbqKB9ntasFS6rjnBusNn9BxI:FAkk3fLpRbYnKcZXnNCJB/EwBug9z1q

Score

8^/10

discovery persistence

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
28	4508	rundll32.exe
34	4508	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe
4508	rundll32.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSServer = "rundll32.exe C:\\Windows\\system32\\iifgHaaY.dll,#1"	rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\iifgHaaY.dll	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\iifgHaaY.dll	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ssqRKeda.dll	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}\InprocServer32\ = "C:\\Windows\\SysWow64\\iifgHaaY.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe
676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe
4508	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 616	676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe	5
PID 676 wrote to memory of 4508	676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe	90
PID 676 wrote to memory of 4508	676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe	90
PID 676 wrote to memory of 4508	676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe	90
PID 676 wrote to memory of 4960	676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe	91
PID 676 wrote to memory of 4960	676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe	91
PID 676 wrote to memory of 4960	676	12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe	91
PID 4508 wrote to memory of 2716	4508	rundll32.exe	93
PID 4508 wrote to memory of 2716	4508	rundll32.exe	93
PID 4508 wrote to memory of 2716	4508	rundll32.exe	93

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Users\Admin\AppData\Local\Temp\12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\iifgHaaY.dll,a
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Windows\system32\ssqRKeda.dll",s
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2716
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\khfDwtrq.bat "C:\Users\Admin\AppData\Local\Temp\12015299ab4645aae7f99d4516a0dd3c_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4960

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\khfDwtrq.bat

Filesize
87B

MD5
93d56922d7c4815cbad2b701bcab179e

SHA1
f74a1b3c166f69a0f2409943786c0fbbe6cd77b7

SHA256
89f976a695b6e64721f2e9a7715a21e628fe8506a908051f75db888403557037

SHA512
08d690e62c6246fec8664f0876cf0b16cdbbcd9452e6d7bf011a1d4b6de91276e3cb9b2ae7cd9f0adf3a7219b96d3cbc177701d5019d443961c77ff32baf0fd2

Download Submit
C:\Windows\SysWOW64\iifgHaaY.dll

Filesize
36KB

MD5
11fef9151eacaddbcdbf60505bcfbb01

SHA1
afc20ada5a71726e90557fbca4d41aa66fb42d56

SHA256
a83b51bf8a27ef34f27c2da99d9d0e74ff2672c50b8c289b229d27bfe92208db

SHA512
066f4b8f84e5197191694bf5312e7ad9795f8a418b6227dcbd57f992af4f8fc36122472c7bfac54efc7aea1f257928da33291f0d44472ec63528ace208eb4f6d

Download Submit
C:\Windows\SysWOW64\ssqRKeda.dll

Filesize
1KB

MD5
119cc56e37e487451a8d8154da9a12aa

SHA1
77271fce7fff231f2bdc43ec6d5d4c438a49462c

SHA256
590b41a47419aa20bfe288c9a33b647952ff6dad47902adbfeee65936e1a471a

SHA512
369af5ef0ef0e1e16fe97711e9ec70071f536429bc101307aef3c0e42aef3836ec35f786626c00d0c6e136b315e07f8795fc576080af48ccf1e3303d8eaa8d64

Download Submit
memory/676-11-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/676-8-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/676-9-0x0000000002170000-0x0000000002175000-memory.dmp

Filesize
20KB

Download
memory/676-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/676-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/676-1-0x0000000002170000-0x0000000002175000-memory.dmp

Filesize
20KB

Download
memory/4508-17-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/4508-18-0x0000000000CE0000-0x0000000000CE5000-memory.dmp

Filesize
20KB

Download
memory/4508-19-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/4508-29-0x0000000000CE0000-0x0000000000CE5000-memory.dmp

Filesize
20KB

Download
memory/4508-30-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download