1e220ae5de5671e1383f6a793621dc30f3be1553c3496a61ca99f1b0d39f0dce

Analysis

max time kernel
96s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 19:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

31a2522b691819aef0777f5d3ad8b822_JaffaCakes118.exe
Size

138KB
MD5

31a2522b691819aef0777f5d3ad8b822
SHA1

76dfc3ed82135589595c1839ea6513537b2c87e2
SHA256

1e220ae5de5671e1383f6a793621dc30f3be1553c3496a61ca99f1b0d39f0dce
SHA512

64038ce72198e081b5127b5b36fdb9d8a5f441866191c617a25334841846477540b7b4b4640eaf632e3712bb8e7222bd6a8b2edf9171f6d16a5db529e7519f02
SSDEEP

3072:bVOmv3843n6MGIIznDLBNR3X4Zngtybpq:bgU84yVLBNRYZgm

Score

8^/10

persistence upx

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\\FastUserSwitchingCompatibility.dll"	31a2522b691819aef0777f5d3ad8b822_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1924	Svchost.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3296-0-0x0000000000740000-0x0000000000766000-memory.dmp	upx
behavioral2/files/0x000a00000001e44e-8.dat	upx
behavioral2/memory/1924-10-0x0000000074970000-0x0000000074996000-memory.dmp	upx
behavioral2/memory/1924-12-0x0000000074970000-0x0000000074996000-memory.dmp	upx
behavioral2/memory/3296-13-0x0000000000740000-0x0000000000766000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\20930DCC.tmp	31a2522b691819aef0777f5d3ad8b822_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	31a2522b691819aef0777f5d3ad8b822_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3296	31a2522b691819aef0777f5d3ad8b822_JaffaCakes118.exe
3296	31a2522b691819aef0777f5d3ad8b822_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\31a2522b691819aef0777f5d3ad8b822_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\31a2522b691819aef0777f5d3ad8b822_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:3296

C:\Windows\SysWOW64\Svchost.exe
C:\Windows\SysWOW64\Svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Loads dropped DLL
PID:1924

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:\Users\Infotmp.txt

Filesize
724B

MD5
65b7a7e0b5bc2f117bd11634f7ccb0ac

SHA1
68a862d975aa9bdc2c854280aefa1c449b0ea3df

SHA256
885d4f446ba903eef09aa605f261ac01e5688e2793cb541af66f5563e311ffda

SHA512
8e8a2835b75b10282ad25ad0ea0162c4e88eb52410aacfaa1462b0e9973e760e270d7c3adcd312fb5608d7f7a4a8f660dc652b44ac771305c4fd5f3b983b3b7f

Download Submit
\??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll

Filesize
138KB

MD5
3130622b2b74522d31ad36c92e8cd512

SHA1
f8e6fec47fee76372a82dd78c47eab45fef5c6c8

SHA256
1c22f9d1a389245cd9ee4588ef39c7f8ad7c1eda5283b18daf551013c76658d5

SHA512
0b06ac1aca37b6b0d7eb1c5c0523ba920109588b9174b2f06829e16d6533575dcae562fa24a4438ba51f29cbbddff09f327e0f181b100aecdf1ae058ca30d8e6

Download Submit
memory/1924-10-0x0000000074970000-0x0000000074996000-memory.dmp

Filesize
152KB

Download
memory/1924-12-0x0000000074970000-0x0000000074996000-memory.dmp

Filesize
152KB

Download
memory/3296-0-0x0000000000740000-0x0000000000766000-memory.dmp

Filesize
152KB

Download
memory/3296-6-0x000000007652C000-0x000000007652D000-memory.dmp

Filesize
4KB

Download
memory/3296-5-0x0000000077012000-0x0000000077013000-memory.dmp

Filesize
4KB

Download
memory/3296-13-0x0000000000740000-0x0000000000766000-memory.dmp

Filesize
152KB

Download