Analysis
-
max time kernel
315s -
max time network
389s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
21/09/2023, 15:56
Static task
static1
Behavioral task
behavioral1
Sample
CF7.bin.exe
Resource
win10-20230915-en
General
-
Target
CF7.bin.exe
-
Size
1.3MB
-
MD5
6f5c6ab6bef8193955686e12cadc0ae3
-
SHA1
8b4ceb8063879eccf29ab04944753eab20f8c328
-
SHA256
18195648d7dd6e5654785f57dd595f8a6de963571018aea172fe5b4d2b2a9fda
-
SHA512
4a23b6633aa91916300ef3f5eb97a14a1e31e119148049a1310cab80addc634c281d617cc9ef5d09624a2e291134b502cadcd80896a394098c42c334c5365df7
-
SSDEEP
24576:BsnoYufskYrupjowDYTCGFQXdKUmMHjjnpwWDf:Bs5RDwoKPGEdKUHjNwW7
Malware Config
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine payload 1 IoCs
resource yara_rule behavioral1/memory/3804-83-0x0000000000400000-0x000000000045A000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
pid Process 4040 AddInProcess32.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Windows\CurrentVersion\Run\AddInProcess32.exe = "C:\\Windows\\AddInProcess32.exe" AddInProcess32.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 5032 set thread context of 5048 5032 CF7.bin.exe 69 PID 5032 set thread context of 3456 5032 CF7.bin.exe 70 PID 5048 set thread context of 3804 5048 AddInProcess32.exe 71 -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\AddInProcess32.exe AddInProcess32.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4512 5032 WerFault.exe 68 3228 5048 WerFault.exe 69 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance AddInProcess32.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4180 PING.EXE -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 5032 CF7.bin.exe 5032 CF7.bin.exe 5032 CF7.bin.exe 5048 AddInProcess32.exe 5048 AddInProcess32.exe 5048 AddInProcess32.exe 3804 cvtres.exe 3804 cvtres.exe 3804 cvtres.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5032 CF7.bin.exe Token: SeDebugPrivilege 5048 AddInProcess32.exe Token: SeDebugPrivilege 3804 cvtres.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 5032 wrote to memory of 5048 5032 CF7.bin.exe 69 PID 5032 wrote to memory of 5048 5032 CF7.bin.exe 69 PID 5032 wrote to memory of 5048 5032 CF7.bin.exe 69 PID 5032 wrote to memory of 5048 5032 CF7.bin.exe 69 PID 5032 wrote to memory of 5048 5032 CF7.bin.exe 69 PID 5032 wrote to memory of 5048 5032 CF7.bin.exe 69 PID 5032 wrote to memory of 5048 5032 CF7.bin.exe 69 PID 5032 wrote to memory of 5048 5032 CF7.bin.exe 69 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5032 wrote to memory of 3456 5032 CF7.bin.exe 70 PID 5048 wrote to memory of 3804 5048 AddInProcess32.exe 71 PID 5048 wrote to memory of 3804 5048 AddInProcess32.exe 71 PID 5048 wrote to memory of 3804 5048 AddInProcess32.exe 71 PID 5048 wrote to memory of 3804 5048 AddInProcess32.exe 71 PID 5048 wrote to memory of 3804 5048 AddInProcess32.exe 71 PID 5048 wrote to memory of 3804 5048 AddInProcess32.exe 71 PID 5048 wrote to memory of 3804 5048 AddInProcess32.exe 71 PID 5048 wrote to memory of 3804 5048 AddInProcess32.exe 71 PID 3456 wrote to memory of 4040 3456 AddInProcess32.exe 75 PID 3456 wrote to memory of 4040 3456 AddInProcess32.exe 75 PID 3456 wrote to memory of 4040 3456 AddInProcess32.exe 75 PID 3456 wrote to memory of 4284 3456 AddInProcess32.exe 77 PID 3456 wrote to memory of 4284 3456 AddInProcess32.exe 77 PID 4284 wrote to memory of 4180 4284 cmd.exe 80 PID 4284 wrote to memory of 4180 4284 cmd.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\CF7.bin.exe"C:\Users\Admin\AppData\Local\Temp\CF7.bin.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3804
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 16563⤵
- Program crash
PID:3228
-
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3456 -
C:\Windows\AddInProcess32.exe"C:\Windows\AddInProcess32.exe" 1 2 3 4 5 6 73⤵
- Executes dropped EXE
PID:4040
-
-
C:\Windows\System32\cmd.exe/c ping localhost -n 3 > nul & del C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Windows\system32\PING.EXEping localhost -n 34⤵
- Runs ping.exe
PID:4180
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 17002⤵
- Program crash
PID:4512
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
-
Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
-
Filesize
41KB
MD56a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39