70fd7bdd336a3af25779015e3abeef084cbc35d38e0ee3f80b665dea5e91066c

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:15

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General

Target

81c62d55a6ba31c41d4d4afc53d3add2_JaffaCakes118.exe
Size

216KB
MD5

81c62d55a6ba31c41d4d4afc53d3add2
SHA1

e14d48832fb77539ec8ac3095f95d20389a1111f
SHA256

70fd7bdd336a3af25779015e3abeef084cbc35d38e0ee3f80b665dea5e91066c
SHA512

42fcebee391bec94de0748c9ea8588a4ddc69e9e64b9edf9f3975da24f824dd46c9f02eca8a6048276a899cf86b72602e02e2e50182b2372ef5a138d8416b60a
SSDEEP

6144:aMz19xEBlWWNOMxh+Sxpxi/5sAd29A4Hawl7yL3Or:aWxEKu/+Sm5d29PHh7N

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\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilityex.dll"	81c62d55a6ba31c41d4d4afc53d3add2_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
792	svchost.exe
3000	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\FastUserSwitchingCompatibilityex.dll	81c62d55a6ba31c41d4d4afc53d3add2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\RCXE0CB.tmp	81c62d55a6ba31c41d4d4afc53d3add2_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	81c62d55a6ba31c41d4d4afc53d3add2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	792	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3420	81c62d55a6ba31c41d4d4afc53d3add2_JaffaCakes118.exe
3000	rundll32.exe
3000	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 3000	792	svchost.exe	87
PID 792 wrote to memory of 3000	792	svchost.exe	87
PID 792 wrote to memory of 3000	792	svchost.exe	87

C:\Users\Admin\AppData\Local\Temp\81c62d55a6ba31c41d4d4afc53d3add2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c62d55a6ba31c41d4d4afc53d3add2_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3420

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe c:\windows\system32\fastuserswitchingcompatibilityex.dll, xxxxxx
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3000

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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