33d747c0d7ad69727f5358df0fef7b50491442c73806755428cf5d105cfc5133

Analysis

max time kernel
136s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 08:55

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General

Target

7794d237b1d5a27fb84ef5e15e43eb0f_JaffaCakes118.exe
Size

24KB
MD5

7794d237b1d5a27fb84ef5e15e43eb0f
SHA1

9009a7bb44d13d799b8db4abc232bac17506b32e
SHA256

33d747c0d7ad69727f5358df0fef7b50491442c73806755428cf5d105cfc5133
SHA512

b68ca025ef6e79f6bcab02fe99182f993269e8202d147a28e385fee451b5bf728a6cb7fa7fe9a7485b5031a03d1875100cb1f847992e137aac61e66fed3bac19
SSDEEP

384:iXdGP+MQ9aBfDnnZI1k/9lM0R5qWn3U38wkuFSPTAPJTW5Z:aGP+3aBLnsk/XM0RQW3U38wNSb4JTE

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\bvmbnc\Parameters\ServiceDll = "%SystemRoot%\\System32\\bvmbnc.dll"	7794d237b1d5a27fb84ef5e15e43eb0f_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3132	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
4124	7794d237b1d5a27fb84ef5e15e43eb0f_JaffaCakes118.exe
3132	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\bvmbnc.dll	7794d237b1d5a27fb84ef5e15e43eb0f_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	7794d237b1d5a27fb84ef5e15e43eb0f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4124	7794d237b1d5a27fb84ef5e15e43eb0f_JaffaCakes118.exe
4124	7794d237b1d5a27fb84ef5e15e43eb0f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7794d237b1d5a27fb84ef5e15e43eb0f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7794d237b1d5a27fb84ef5e15e43eb0f_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4124

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k bvmbnc
1⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3132

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\bvmbnc.dll

Filesize
17KB

MD5
c0216a340766dff5c2bba55141bc2427

SHA1
ac43de7c0dec17c078965e72271e38cca0192f32

SHA256
8f3db24edde0fdcad983c1bfc9b21dd9b25d014ce6247cc03ee0096451de97b1

SHA512
e2aacfaad37043113ae1fce25c7007c7919c33b2838a6195c8450890e9b8ad57f700fc9ec6e7b572cd8dc38baeaa4225d5d77e3134237de2598350103fb8efec

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