Analysis
-
max time kernel
145s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-04-2024 19:41
Behavioral task
behavioral1
Sample
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
-
Target
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe
-
Size
85KB
-
MD5
e5b592e5d59cc9eaf78c2cc5ef554171
-
SHA1
257a922c0278e174d8ac2200c373028ad4ec663d
-
SHA256
7675ab50699f3a876018fd3378946d59dfbcd5d4a3e7be7fee30f5216d9298c4
-
SHA512
bfd8e9257459f9d27baca1baa481ed16dfcc8ee3609c22ee7b054458c4f405f19a3400255b49a28496225aefd295cdf478cfe3ef8c76ad20124fcf42196cd61e
-
SSDEEP
1536:SKcR4mjD9r823Fq8rUi/S8lEx1aPtOA4+ewMyI+08mIpEv6ePKc7H:SKcWmjRrz33rUp8lEx1aPtNIwdk5vx7H
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
3JVlSSmlvpVXUWZ.exeCTS.exepid process 1940 3JVlSSmlvpVXUWZ.exe 2508 CTS.exe -
Loads dropped DLL 1 IoCs
Processes:
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exepid process 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Processes:
resource yara_rule behavioral1/memory/1600-0-0x0000000000390000-0x00000000003A7000-memory.dmp upx C:\Windows\CTS.exe upx behavioral1/memory/1600-9-0x0000000000390000-0x00000000003A7000-memory.dmp upx behavioral1/memory/2508-15-0x0000000000FB0000-0x0000000000FC7000-memory.dmp upx behavioral1/memory/1940-19-0x0000000000AA0000-0x0000000000B20000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exeCTS.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" e5b592e5d59cc9eaf78c2cc5ef554171_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
Processes:
CTS.exee5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exedescription ioc process File created C:\Windows\CTS.exe CTS.exe File created C:\Windows\CTS.exe e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
dw20.exepid process 2616 dw20.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exeCTS.exedescription pid process Token: SeDebugPrivilege 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe Token: SeDebugPrivilege 2508 CTS.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe3JVlSSmlvpVXUWZ.exedescription pid process target process PID 1600 wrote to memory of 1940 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe 3JVlSSmlvpVXUWZ.exe PID 1600 wrote to memory of 1940 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe 3JVlSSmlvpVXUWZ.exe PID 1600 wrote to memory of 1940 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe 3JVlSSmlvpVXUWZ.exe PID 1600 wrote to memory of 1940 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe 3JVlSSmlvpVXUWZ.exe PID 1600 wrote to memory of 2508 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe CTS.exe PID 1600 wrote to memory of 2508 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe CTS.exe PID 1600 wrote to memory of 2508 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe CTS.exe PID 1600 wrote to memory of 2508 1600 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe CTS.exe PID 1940 wrote to memory of 2616 1940 3JVlSSmlvpVXUWZ.exe dw20.exe PID 1940 wrote to memory of 2616 1940 3JVlSSmlvpVXUWZ.exe dw20.exe PID 1940 wrote to memory of 2616 1940 3JVlSSmlvpVXUWZ.exe dw20.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\3JVlSSmlvpVXUWZ.exeC:\Users\Admin\AppData\Local\Temp\3JVlSSmlvpVXUWZ.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exedw20.exe -x -s 3763⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:2616
-
-
-
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:2508
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD570aa23c9229741a9b52e5ce388a883ac
SHA1b42683e21e13de3f71db26635954d992ebe7119e
SHA2569d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2
SHA512be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5
-
Filesize
56KB
MD5e115521ba14b75f53dcdff087ec6898f
SHA187103a892bb514a93d485fba221bacb9da3aae25
SHA25659b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29
SHA512ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a