e437c7c1114e73cbb235b088f83b6fb033ee9d650b623e5b134bcf4f9e1a3fe5

Analysis

max time kernel
146s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 14:26

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe
Size

86KB
MD5

1ba3a7064de85c2df1a27eb0fe7b78d7
SHA1

ec831f5eed44dc521d52f0256c3f693ef65f9a43
SHA256

e437c7c1114e73cbb235b088f83b6fb033ee9d650b623e5b134bcf4f9e1a3fe5
SHA512

54e8d8a95d44a98ce51853991cf1d147716d9e7bdef6058f88c2b617da502c26240dc92653b0518f3448c89a3036ba17e06eb9ace8a514739669a9376d67bcb4
SSDEEP

1536:r42iu1SpbZ4L0LQTXVf3BFnToIf1TR0r5ZiNbWR/+p8MXCKzecrTBm:c2gUVf3BtTBf1TR0r5ZiNbWR2pRXBzeN

Score

8^/10

persistence vmprotect

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\beep.sys	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MediaCenter\Parameters\ServiceDll = "C:\\Windows\\system32\\RjmktnC.dll"	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe
3508	svchost.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/files/0x0007000000023413-4.dat	vmprotect

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\RjmktnC.dll	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe
4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe
4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe
4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 3252	4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe	84
PID 4584 wrote to memory of 3252	4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe	84
PID 4584 wrote to memory of 3252	4584	1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1ba3a7064de85c2df1a27eb0fe7b78d7_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\1BA3A7~1.EXE > nul
  2⤵
  PID:3252

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
PID:4660

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
- Loads dropped DLL
PID:3508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\RjmktnC.dll

Filesize
73KB

MD5
1501b1a83446164d0d62a4ed432adb59

SHA1
33c064c8dd475689041a5663b42efc98c78c320d

SHA256
b3aac9a02004eccfb9fbce78aa7bf16580312be0a0a2770df43760fa60605088

SHA512
fab84054cff12101e937d2600b5e0ad3b1cc0541e9ddc191f6f4d3e5c1d1a050c56570ce4ab86205579fb8579497a0a66829e54db34df2e702c7defadbb15749

Download Submit