bc84814710a00085527974fe60b466a4da08aa4dfc45524f509a7da7f3c2b641

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 01:25

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General

Target

11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe
Size

62KB
MD5

11430f6461bcc39fb923f29fc928d281
SHA1

15a34bc381fb9838f06b571a7fa090ae633c917c
SHA256

bc84814710a00085527974fe60b466a4da08aa4dfc45524f509a7da7f3c2b641
SHA512

ba3a05120e12769bf68c277cbb0154349cd6dd0612c6d9dbc648dd6be2d5055c5382d4fc2080a4885a59fd61ecb4ad3113b8c24fa638f444b14170c21b84a839
SSDEEP

1536:8c3fp3GVxdTARMLTtGzvSrcmszNK+AevqMxm458wU:j3lGndTRLTtGr2cmszc+AevTw458t

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 6 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\opcrbc\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\hiucdt.dll"	11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\opcrbc\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\hiucdt.dll"	11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\opcrbc\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\hiucdt.dll"	11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\opcrbc\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\hiucdt.dll"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\opcrbc\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\hiucdt.dll"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\opcrbc\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\hiucdt.dll"	svchost.exe

Deletes itself 1 IoCs

pid	Process
208	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
3088	11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe
208	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\00058aa0.ini	11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\hiucdt.dll	11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe

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	11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
208	svchost.exe
208	svchost.exe
208	svchost.exe

C:\Users\Admin\AppData\Local\Temp\11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\11430f6461bcc39fb923f29fc928d281_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3088

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k opcrbc
1⤵
- Server Software Component: Terminal Services DLL
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:208

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\hiucdt.dll

Filesize
99KB

MD5
fa2d19233d6cca71e41fd2df193c6ffe

SHA1
91d1936f47e0c63083d2799814d662219771b7a5

SHA256
94b018fc89c62d1568ce9b1f906b59f69256ba6d72bf74b09f3767f1d00b131a

SHA512
24014c8ef034fabe71186f04f0228e72146a7925168cb2f6955e02977a10fa4870a2c4c02047f6afa92da5ce61633825f07396b1c7a3cda712e2952a4831f9c2

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