Analysis
-
max time kernel
142s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16/10/2024, 21:10
Static task
static1
Behavioral task
behavioral1
Sample
5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe
Resource
win7-20240903-en
General
-
Target
5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe
-
Size
158KB
-
MD5
254e5f62d8441ef2a4688265d41afbe3
-
SHA1
041bece2d799928084c54d64c2719e4122a205c3
-
SHA256
5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289
-
SHA512
37f311520f2f5b892ae4816c05dd3c920d79cb41f7c880c7d2cd8d0e1aa33fc2d38acc9edb11236aa75f0ab098bd063c158dbcb49b2c596b1775729e1a05f353
-
SSDEEP
3072:oONY+aHR7T65f4n/lAA8G6Drz3ihAvVg7MIEYVQYe6:oOq+8S4/lAJj33Vg7rGYe
Malware Config
Signatures
-
Deletes itself 1 IoCs
pid Process 2076 zkcuw.exe -
Executes dropped EXE 2 IoCs
pid Process 2076 zkcuw.exe 2680 ppc.exe -
Loads dropped DLL 7 IoCs
pid Process 2024 cmd.exe 2024 cmd.exe 2076 zkcuw.exe 2680 ppc.exe 2680 ppc.exe 2680 ppc.exe 2680 ppc.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\wmsok\\ppc.exe \"c:\\Program Files\\wmsok\\ppcfm.dll\",Group" ppc.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: ppc.exe File opened (read-only) \??\h: ppc.exe File opened (read-only) \??\l: ppc.exe File opened (read-only) \??\o: ppc.exe File opened (read-only) \??\u: ppc.exe File opened (read-only) \??\v: ppc.exe File opened (read-only) \??\w: ppc.exe File opened (read-only) \??\z: ppc.exe File opened (read-only) \??\j: ppc.exe File opened (read-only) \??\k: ppc.exe File opened (read-only) \??\m: ppc.exe File opened (read-only) \??\n: ppc.exe File opened (read-only) \??\a: ppc.exe File opened (read-only) \??\b: ppc.exe File opened (read-only) \??\g: ppc.exe File opened (read-only) \??\i: ppc.exe File opened (read-only) \??\s: ppc.exe File opened (read-only) \??\t: ppc.exe File opened (read-only) \??\x: ppc.exe File opened (read-only) \??\p: ppc.exe File opened (read-only) \??\q: ppc.exe File opened (read-only) \??\r: ppc.exe File opened (read-only) \??\y: ppc.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 ppc.exe -
resource yara_rule behavioral1/files/0x000a000000016d25-16.dat upx behavioral1/memory/2680-21-0x0000000010000000-0x0000000010038000-memory.dmp upx behavioral1/memory/2680-22-0x0000000010000000-0x0000000010038000-memory.dmp upx behavioral1/memory/2680-23-0x0000000010000000-0x0000000010038000-memory.dmp upx behavioral1/memory/2680-24-0x0000000010000000-0x0000000010038000-memory.dmp upx -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification \??\c:\Program Files\wmsok zkcuw.exe File created \??\c:\Program Files\wmsok\ppcfm.dll zkcuw.exe File created \??\c:\Program Files\wmsok\ppc.exe zkcuw.exe File opened for modification \??\c:\Program Files\wmsok\ppc.exe zkcuw.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zkcuw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ppc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2024 cmd.exe 1928 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ppc.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ppc.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1928 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2680 ppc.exe 2680 ppc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2680 ppc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2068 5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe 2076 zkcuw.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2068 wrote to memory of 2024 2068 5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe 30 PID 2068 wrote to memory of 2024 2068 5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe 30 PID 2068 wrote to memory of 2024 2068 5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe 30 PID 2068 wrote to memory of 2024 2068 5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe 30 PID 2024 wrote to memory of 1928 2024 cmd.exe 32 PID 2024 wrote to memory of 1928 2024 cmd.exe 32 PID 2024 wrote to memory of 1928 2024 cmd.exe 32 PID 2024 wrote to memory of 1928 2024 cmd.exe 32 PID 2024 wrote to memory of 2076 2024 cmd.exe 34 PID 2024 wrote to memory of 2076 2024 cmd.exe 34 PID 2024 wrote to memory of 2076 2024 cmd.exe 34 PID 2024 wrote to memory of 2076 2024 cmd.exe 34 PID 2076 wrote to memory of 2680 2076 zkcuw.exe 35 PID 2076 wrote to memory of 2680 2076 zkcuw.exe 35 PID 2076 wrote to memory of 2680 2076 zkcuw.exe 35 PID 2076 wrote to memory of 2680 2076 zkcuw.exe 35
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe"C:\Users\Admin\AppData\Local\Temp\5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zkcuw.exe "C:\Users\Admin\AppData\Local\Temp\5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1928
-
-
C:\Users\Admin\AppData\Local\Temp\zkcuw.exeC:\Users\Admin\AppData\Local\Temp\\zkcuw.exe "C:\Users\Admin\AppData\Local\Temp\5c10fd6a9b5c3325208bfcd0efeeb191322b01c3800b0e1bc7fab84c080bd289.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2076 -
\??\c:\Program Files\wmsok\ppc.exe"c:\Program Files\wmsok\ppc.exe" "c:\Program Files\wmsok\ppcfm.dll",Group C:\Users\Admin\AppData\Local\Temp\zkcuw.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680
-
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
-
Filesize
97KB
MD5d890c0dc10dcdf7bc8a559223a2302f4
SHA1342cc782515d565fb4240e74e221d894bb1d26c9
SHA256d2b058e40ce692d65c1781b8fb3e02b4ddca4240d281a7a1a7fcd1396e6e8091
SHA5127069a6fa214bf111b6b314afeb4acfcf986ceb4012139d7fec88ad0d26efb94939ef5b3ab244a34c42b5ee70cbcd4a76810d6189457adeb4d50a75f5c23884ac
-
Filesize
158KB
MD54828a65bf4eaa545e2f00c3c0c10426d
SHA10a2e054f0c1f92f3b86d4b6eaa76d9685b7dce01
SHA256068670578fa9d9d87c1753d075098cc0ab1a0df5a222cc2e9bc758b85f224ef4
SHA51236e2e461755c586ab1b3135f292e49323cadcaa64e419045394b779d2fc7114cd3733827820381cdc63144a9b2ef3f4793fe5385f32eb566cea35c2787aca301