4f5df22fc9752b5164203f95fec5528b264e95bdf2e47ef62549275bdf26124a

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 11:23

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General

Target

eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe
Size

38KB
MD5

eaf38c481625d535a5fc125ffdeacfa7
SHA1

698990e91841220d33e2082bf1159bf7fa5a845e
SHA256

4f5df22fc9752b5164203f95fec5528b264e95bdf2e47ef62549275bdf26124a
SHA512

33a81f8801d48aaba28949d7b2d1bbd274d93949182bacab0a1a53d9b49db4d8af7d378ce8e012b39e1bd9df77e944f5b453c7504336d5d39b66606bcfba97bf
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+I0tFKZJ:s9Z3KcR4mjD9r8226+qL

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3208	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4764-0-0x0000000000310000-0x0000000000327000-memory.dmp	upx
behavioral2/files/0x000a0000000231d5-6.dat	upx
behavioral2/memory/3208-8-0x0000000000360000-0x0000000000377000-memory.dmp	upx
behavioral2/memory/4764-9-0x0000000000310000-0x0000000000327000-memory.dmp	upx
behavioral2/files/0x0003000000022744-12.dat	upx
behavioral2/files/0x0011000000023134-30.dat	upx
behavioral2/memory/3208-35-0x0000000000360000-0x0000000000377000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe
Token: SeDebugPrivilege	3208	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 3208	4764	eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe	85
PID 4764 wrote to memory of 3208	4764	eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe	85
PID 4764 wrote to memory of 3208	4764	eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eaf38c481625d535a5fc125ffdeacfa7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
358KB

MD5
f1fff9ccc110f40a36c13a44623203cc

SHA1
dd59e247a89e3920da97f8dfe1a34698c1db13a3

SHA256
8f62fd78a7a2d0c7a4006535a1461549ba93bfb8fff0bf71df1fde92188f1283

SHA512
7ae83426d3994741ec40e5356b3afc2779b85fd81fc414d6f5a723c004e0244176f15c08c6fcd18eda2a7e9e2fd1b40596aab30757a9dadaec0e841e53c7eaad

Download Submit
C:\Users\Admin\AppData\Local\Temp\zqyhPhVXG0psYV9.exe

Filesize
38KB

MD5
4cd43b9558b1a2bbbc7a4a7de64a38a7

SHA1
a5c159481a50e2cfe2adcda05109063084457e9f

SHA256
e79e00c8357f473b6d9de0f52bb7acb4e838b0eef41d2c6e2288124ac0fa9369

SHA512
ffc93dec453d49c8ee712225287c9954e4c5883b7c99487038e2a1fdbfec1e4da9934d729544b6687de5bd10e7d2bb9fba1e71e1f9a2900aa170c788e7415598

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/3208-8-0x0000000000360000-0x0000000000377000-memory.dmp

Filesize
92KB

Download
memory/3208-35-0x0000000000360000-0x0000000000377000-memory.dmp

Filesize
92KB

Download
memory/4764-0-0x0000000000310000-0x0000000000327000-memory.dmp

Filesize
92KB

Download
memory/4764-9-0x0000000000310000-0x0000000000327000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads