Analysis
-
max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 17:21
Static task
static1
Behavioral task
behavioral1
Sample
a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe
-
Size
136KB
-
MD5
199f40acfc4799b32937e6be767ddcf8
-
SHA1
bc6145339b039a1ef9c14f330d740b27249ee27d
-
SHA256
a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3
-
SHA512
d43052117aa073c9895da23f626208386b9cdfbca0541933620c05f675ef8b50d65ea4c400a332b67248f837321b0192f9cd57a3c66d2d38288028beada8d586
-
SSDEEP
1536:YHJkaBeBVL5nPn5QaTNUbaxaZ65gX4Pv9u2y0aZAbs/nLziow28fz+DliO3MxsaA:Da4VIkUbaxHg+g/nvif7hsAMWgd
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cbseil.exe -
Executes dropped EXE 1 IoCs
pid Process 268 cbseil.exe -
Loads dropped DLL 2 IoCs
pid Process 1324 a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe 1324 a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /P" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /f" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /N" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /v" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /F" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /J" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /L" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /y" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /O" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /M" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /W" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /i" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /l" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /H" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /U" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /g" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /m" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /k" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /j" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /E" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /A" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /d" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /z" cbseil.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /I" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /R" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /e" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /D" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /K" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /t" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /X" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /s" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /B" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /o" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /Q" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /S" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /c" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /h" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /p" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /G" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /a" cbseil.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /Y" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /x" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /b" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /q" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /C" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /u" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /n" cbseil.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /a" a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\cbseil = "C:\\Users\\Admin\\cbseil.exe /T" cbseil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1324 a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe 268 cbseil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1324 a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe 268 cbseil.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1324 wrote to memory of 268 1324 a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe 27 PID 1324 wrote to memory of 268 1324 a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe 27 PID 1324 wrote to memory of 268 1324 a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe 27 PID 1324 wrote to memory of 268 1324 a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe"C:\Users\Admin\AppData\Local\Temp\a323acd0f0ab73ef66b807a7de3c8e9f097b0f1f013c6afa8be219279e59c3f3.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Users\Admin\cbseil.exe"C:\Users\Admin\cbseil.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:268
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
136KB
MD57110370ceebedcc7c84a33d006891f0f
SHA192dc83b772491cb5fe9eaf74aa065221a89a6527
SHA256992d14fdc581303f17409af249161a105801d92d7446c8637a1474105a5f447f
SHA512bf3877feaf3391b0583c1462da4592d178234254d85c6875a8549956d247cc30c3bfb93e31901846fb1dd389dc820bbbcea3da6035dc98bc41ddcfe1045ca9e0
-
Filesize
136KB
MD57110370ceebedcc7c84a33d006891f0f
SHA192dc83b772491cb5fe9eaf74aa065221a89a6527
SHA256992d14fdc581303f17409af249161a105801d92d7446c8637a1474105a5f447f
SHA512bf3877feaf3391b0583c1462da4592d178234254d85c6875a8549956d247cc30c3bfb93e31901846fb1dd389dc820bbbcea3da6035dc98bc41ddcfe1045ca9e0
-
Filesize
136KB
MD57110370ceebedcc7c84a33d006891f0f
SHA192dc83b772491cb5fe9eaf74aa065221a89a6527
SHA256992d14fdc581303f17409af249161a105801d92d7446c8637a1474105a5f447f
SHA512bf3877feaf3391b0583c1462da4592d178234254d85c6875a8549956d247cc30c3bfb93e31901846fb1dd389dc820bbbcea3da6035dc98bc41ddcfe1045ca9e0
-
Filesize
136KB
MD57110370ceebedcc7c84a33d006891f0f
SHA192dc83b772491cb5fe9eaf74aa065221a89a6527
SHA256992d14fdc581303f17409af249161a105801d92d7446c8637a1474105a5f447f
SHA512bf3877feaf3391b0583c1462da4592d178234254d85c6875a8549956d247cc30c3bfb93e31901846fb1dd389dc820bbbcea3da6035dc98bc41ddcfe1045ca9e0