e558eee3ce8b2334e4515463713ea2992cab4c793ad9273f4a82dce3d9baa895

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 16:15

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General

Target

3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe
Size

47KB
MD5

3af0e7ac2dbe0af3f808dd4878ad422a
SHA1

30bca04826d796728b4720566aeb60979b95deae
SHA256

e558eee3ce8b2334e4515463713ea2992cab4c793ad9273f4a82dce3d9baa895
SHA512

a424819abe2d4c02fc0fe46ce17df610de25180920204800a4d481ff448f3a05f5c73cae66df3838ff18d5982b51e22c792ee5ef73ea8477abe3c988451c9ada
SSDEEP

768:uqrPejL1KJuHhhDTZQ1bpp4W2MtLdzNCRE7VQasreDWxNv+vBapAo96FQF9m8:uaejRpDDFip4W2MfzMS7yCkN3pAnSs8

Score

8^/10

discovery persistence

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
20	3952	rundll32.exe
27	3952	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe
3952	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\\nnnoPJDV.dll,#1"	rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\byXOiJDs.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\nnnoPJDV.dll	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\nnnoPJDV.dll	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.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\\nnnoPJDV.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
2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe
2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe
3952	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 616	2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe	5
PID 2248 wrote to memory of 3952	2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe	88
PID 2248 wrote to memory of 3952	2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe	88
PID 2248 wrote to memory of 3952	2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe	88
PID 2248 wrote to memory of 2632	2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe	89
PID 2248 wrote to memory of 2632	2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe	89
PID 2248 wrote to memory of 2632	2248	3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe	89
PID 3952 wrote to memory of 1716	3952	rundll32.exe	91
PID 3952 wrote to memory of 1716	3952	rundll32.exe	91
PID 3952 wrote to memory of 1716	3952	rundll32.exe	91

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

C:\Users\Admin\AppData\Local\Temp\3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3af0e7ac2dbe0af3f808dd4878ad422a_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:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\nnnoPJDV.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:3952
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Windows\system32\byXOiJDs.dll",s
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1716
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\hgGywUnL.bat "C:\Users\Admin\AppData\Local\Temp\3af0e7ac2dbe0af3f808dd4878ad422a_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2632

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\hgGywUnL.bat

Filesize
71B

MD5
492e54473d37293e26d4ddc3acc9913c

SHA1
59f880a27f56f1697383fd68fb1aa13d18103ba1

SHA256
8e5edff51e1db5b5f1462514d405c33794d8ac87137a3546230b2b968396056b

SHA512
fad4881af271b577429a9a00938738ba8907c28694679af8e878636bcbb6c0d4f4cf456c9b6867d3ed740d722caa78d7f9feaf32e79d3fded91ad85ae966af63

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

Filesize
1KB

MD5
7d003e6691cc80e8415c855612f4dec2

SHA1
9ef1a2569cf06c13637d96d257cfe7e50510f410

SHA256
48a3f99474a2da97efbcf04e0cb39ab50dc2b3080266632600ee34bc8dc7333c

SHA512
f2bd64842de828534240d6ebc119c5a136e6e66011cb6c177e1574d14b213d1efef0d76ac4b5b1b6ff58e5593dd847726e5c1b7939bba37806a441a1c9326231

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

Filesize
34KB

MD5
241a92a3d4c3feb08445f40544d37daa

SHA1
7180d8001ba694a7bedb704212ea80dd7c94d431

SHA256
cfd3ddd59bb7bc955f914cb9f6fd888f9b9c4dc7acc9799bb29804b475434040

SHA512
3dd9bd820db1ee40d86f42b022eaafae4c0f5708a7ca77f48c415ec2fb7abd1d092d17e802ddefad706a0d88f956b19b8dc1e91a4007d27113911aa45d2758c7

Download Submit
memory/2248-11-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2248-8-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2248-9-0x0000000000430000-0x0000000000435000-memory.dmp

Filesize
20KB

Download
memory/2248-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2248-2-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2248-1-0x0000000000430000-0x0000000000435000-memory.dmp

Filesize
20KB

Download
memory/3952-20-0x0000000001320000-0x0000000001325000-memory.dmp

Filesize
20KB

Download
memory/3952-22-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3952-19-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/3952-29-0x0000000001320000-0x0000000001325000-memory.dmp

Filesize
20KB

Download
memory/3952-30-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download