193b102e6657c79f359239064b39b6541b48aefddd7becb3250745fc99122fa2

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 14:52

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General

Target

d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe
Size

50KB
MD5

d49b9f9f5d7fa96674639bea9ee94bb5
SHA1

2d556610ca2e2e37e5fce3dbef1b18c9abc12e5a
SHA256

193b102e6657c79f359239064b39b6541b48aefddd7becb3250745fc99122fa2
SHA512

57ac0bbb0925c8ff8b45fc70452a1880176029b7909f1282048974dcee1b9960ae62c849f8ad44c4972e7ceb03e8bb1b431d0512864831f6dbc62adac802357b
SSDEEP

768:WFEDRUptQzkM/y+Iz/4YQkC3oPrH7aMVS38T9mFp/jFzsO3R4JdX8F1GJyYd6GCL:cE9UrQ/yt4YJ7VSBrrFvqcKd67/a2

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe
2848	rundll32.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3248-2-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3248-1-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3248-5-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3248-13-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/3248-12-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/3248-19-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2848-29-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2848-34-0x0000000010000000-0x0000000010014000-memory.dmp	upx

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\\ljJYSmnn.dll,#1"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ddcDvwWo.dll	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ddcDvwWo.dll	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ljJYSmnn.dll	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ljJYSmnn.dll	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85DD4E0D-2B01-4D4D-9E66-3A165AB6EDA4}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85DD4E0D-2B01-4D4D-9E66-3A165AB6EDA4}\InprocServer32\ = "C:\\Windows\\SysWow64\\ljJYSmnn.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85DD4E0D-2B01-4D4D-9E66-3A165AB6EDA4}\InprocServer32\ThreadingModel = "Both"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{85DD4E0D-2B01-4D4D-9E66-3A165AB6EDA4}	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe
3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe
2848	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 616	3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe	5
PID 3248 wrote to memory of 2848	3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe	95
PID 3248 wrote to memory of 2848	3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe	95
PID 3248 wrote to memory of 2848	3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe	95
PID 3248 wrote to memory of 3520	3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe	96
PID 3248 wrote to memory of 3520	3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe	96
PID 3248 wrote to memory of 3520	3248	d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe	96

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

C:\Users\Admin\AppData\Local\Temp\d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d49b9f9f5d7fa96674639bea9ee94bb5_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:3248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\ljJYSmnn.dll,a
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:2848
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\d49b9f9f5d7fa96674639bea9ee94bb5_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3520

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:\Users\Admin\AppData\Local\Temp\removalfile.bat

Filesize
43B

MD5
9a7ef09167a6f4433681b94351509043

SHA1
259b1375ed8e84943ca1d42646bb416325c89e12

SHA256
d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

SHA512
96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

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

Filesize
33KB

MD5
51007712327d9fe6c2e60cfffe71b22e

SHA1
9cd5a8fc608b00924ba10a40c0a982977ad99268

SHA256
63eab247da63e0b894d3f3bc3c4ba563ed1effac2bf8e636cf4f2e89093981cb

SHA512
f7dab06f51deab9504411cb1d8e7031f18058ce3e6d63bf88f9a7969558aad2e269cd78a5a127bb1385a798b05894e118452d8938473fcfe83aaad18715a81d6

Download Submit
memory/2848-31-0x000000001000E000-0x0000000010013000-memory.dmp

Filesize
20KB

Download
memory/2848-34-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2848-33-0x0000000001290000-0x0000000001291000-memory.dmp

Filesize
4KB

Download
memory/2848-29-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2848-30-0x0000000001290000-0x0000000001291000-memory.dmp

Filesize
4KB

Download
memory/3248-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3248-12-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3248-11-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3248-19-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3248-13-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3248-4-0x0000000000408000-0x0000000000411000-memory.dmp

Filesize
36KB

Download
memory/3248-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3248-3-0x0000000002160000-0x000000000216B000-memory.dmp

Filesize
44KB

Download
memory/3248-1-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3248-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download