32c0906a3d23830efaf54a9766c60f255c9c4cf95380a3a3f03662a8ff26c62a

Analysis

max time kernel
143s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 05:35

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General

Target

833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe
Size

166KB
MD5

833a103c92fc361fd8ca4e349a462041
SHA1

3c65bcb18cd74b0efab2df37d0cc24392dabfc8c
SHA256

32c0906a3d23830efaf54a9766c60f255c9c4cf95380a3a3f03662a8ff26c62a
SHA512

de3001b408de91c0451df1d4a7d460076e2e1d53299e03a27e88cd15fefde5319e179ada047e43efbb36803a7b2ac51c101399c33a2b12368d57ee45eadcf54f
SSDEEP

3072:aYzjME3FGaH4fe4MLajTYESkiXLXF1dTSWhieNhCS/KfaxkVoB:jUE3FGaH4F7jkE9CLXNTSWhieNh//Kfo

Score

8^/10

discovery persistence

Malware Config

Signatures

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\SRAT_Service\Parameters\ServiceDLL = "%SystemRoot%\\System32\\R5Nvwn5K.dll"	833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
1652	svchost.exe
1652	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\HA7euNQ4b2.ini	833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\R5Nvwn5K.dll	833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\HA7euNQ4b2.del	833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
640	2728	WerFault.exe	82
3988	1652	WerFault.exe	89

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	833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\833a103c92fc361fd8ca4e349a462041_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2728
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 444
  2⤵
  - Program crash
  PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2728 -ip 2728
1⤵
PID:2492

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 624
  2⤵
  - Program crash
  PID:3988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1652 -ip 1652
1⤵
PID:3980

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

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:\Windows\SysWOW64\R5Nvwn5K.dll

Filesize
144KB

MD5
2831cd8e3f6b522d0fe5115c87668aa1

SHA1
1f064c67ef1013b76c38861beb2e274789212907

SHA256
653204d28be38c1dbb8c46bd91152474a1cadcfae6cac9f0015dd33a62bcdd2e

SHA512
26fa5093516d845791aa33101054cee33c855edc595373e8d0b09074ca27f594a2d6eceb38c1b9d633137f68819ffe12e5bcb2520ed1163835e9ffbad69204b3

Download Submit
memory/1652-9-0x0000000000FD0000-0x0000000000FF8000-memory.dmp

Filesize
160KB

Download
memory/1652-11-0x0000000000FD0000-0x0000000000FF8000-memory.dmp

Filesize
160KB

Download
memory/2728-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2728-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/2728-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2728-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download