Analysis
-
max time kernel
141s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
03-02-2024 20:29
Behavioral task
behavioral1
Sample
8d45ff8827d256dda0276dd6731ee8ed.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
8d45ff8827d256dda0276dd6731ee8ed.exe
Resource
win10v2004-20231222-en
General
-
Target
8d45ff8827d256dda0276dd6731ee8ed.exe
-
Size
85KB
-
MD5
8d45ff8827d256dda0276dd6731ee8ed
-
SHA1
c4d51064934495f7830b98c80b51c5af11111ef8
-
SHA256
ad678c10180b6341959060a8d176c07011786a4faf4d36a7e87471f1224881dc
-
SHA512
19139020360693d316deb31add14bab11c6211634a9dc9e223c7eaa8b4490820a68443e640a517ed26e5518c06495329faee06c285c20539c22d7099a629ef96
-
SSDEEP
1536:SKcR4mjD9r823FWfhrolmxIFqQAl3G4KbZA0axyZzJWx1BdCRczVtV:SKcWmjRrz3WhclyIOZKbZJzQdmCh
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
pid Process 2552 tuv7ePne53ZZsLl.exe 2092 CTS.exe -
Loads dropped DLL 1 IoCs
pid Process 2656 8d45ff8827d256dda0276dd6731ee8ed.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral1/memory/2656-0-0x00000000010E0000-0x00000000010F7000-memory.dmp upx behavioral1/files/0x000c000000013113-10.dat upx behavioral1/memory/2656-11-0x00000000010E0000-0x00000000010F7000-memory.dmp upx behavioral1/memory/2092-14-0x00000000000A0000-0x00000000000B7000-memory.dmp upx behavioral1/memory/2656-7-0x0000000000070000-0x0000000000087000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 8d45ff8827d256dda0276dd6731ee8ed.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 8d45ff8827d256dda0276dd6731ee8ed.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2572 dw20.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2656 8d45ff8827d256dda0276dd6731ee8ed.exe Token: SeDebugPrivilege 2092 CTS.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2656 wrote to memory of 2552 2656 8d45ff8827d256dda0276dd6731ee8ed.exe 28 PID 2656 wrote to memory of 2552 2656 8d45ff8827d256dda0276dd6731ee8ed.exe 28 PID 2656 wrote to memory of 2552 2656 8d45ff8827d256dda0276dd6731ee8ed.exe 28 PID 2656 wrote to memory of 2552 2656 8d45ff8827d256dda0276dd6731ee8ed.exe 28 PID 2656 wrote to memory of 2092 2656 8d45ff8827d256dda0276dd6731ee8ed.exe 29 PID 2656 wrote to memory of 2092 2656 8d45ff8827d256dda0276dd6731ee8ed.exe 29 PID 2656 wrote to memory of 2092 2656 8d45ff8827d256dda0276dd6731ee8ed.exe 29 PID 2656 wrote to memory of 2092 2656 8d45ff8827d256dda0276dd6731ee8ed.exe 29 PID 2552 wrote to memory of 2572 2552 tuv7ePne53ZZsLl.exe 31 PID 2552 wrote to memory of 2572 2552 tuv7ePne53ZZsLl.exe 31 PID 2552 wrote to memory of 2572 2552 tuv7ePne53ZZsLl.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\8d45ff8827d256dda0276dd6731ee8ed.exe"C:\Users\Admin\AppData\Local\Temp\8d45ff8827d256dda0276dd6731ee8ed.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:2656 -
C:\Users\Admin\AppData\Local\Temp\tuv7ePne53ZZsLl.exeC:\Users\Admin\AppData\Local\Temp\tuv7ePne53ZZsLl.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exedw20.exe -x -s 3723⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:2572
-
-
-
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:2092
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD570aa23c9229741a9b52e5ce388a883ac
SHA1b42683e21e13de3f71db26635954d992ebe7119e
SHA2569d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2
SHA512be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5
-
Filesize
56KB
MD5e115521ba14b75f53dcdff087ec6898f
SHA187103a892bb514a93d485fba221bacb9da3aae25
SHA25659b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29
SHA512ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a