Analysis
-
max time kernel
44s -
max time network
100s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
24-05-2022 14:28
Static task
static1
Behavioral task
behavioral1
Sample
86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe
Resource
win10v2004-20220414-en
General
-
Target
86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe
-
Size
215KB
-
MD5
e3149d988edfdabe27e8a4902a784d2a
-
SHA1
ab259a9c37c60698a2544297671b39235df1aaae
-
SHA256
86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c
-
SHA512
865e5f67cab098860ac2598831c564691e90966d015080279eac1fac5ee4c73cc85975498da61833a74f0ea03020418c354aa7b96312ca53eed7e331cf658878
Malware Config
Extracted
buer
https://217.8.117.20:4443/
http://217.8.117.20:8080/
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\UBlockPlugin\\plugin.exe\"" plugin.exe -
resource yara_rule behavioral1/memory/1972-60-0x0000000000020000-0x000000000002A000-memory.dmp buer behavioral1/memory/1972-61-0x0000000040000000-0x0000000040066000-memory.dmp buer behavioral1/memory/1152-70-0x0000000040000000-0x0000000040066000-memory.dmp buer -
Executes dropped EXE 1 IoCs
pid Process 1152 plugin.exe -
Deletes itself 1 IoCs
pid Process 1152 plugin.exe -
Loads dropped DLL 2 IoCs
pid Process 1972 86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe 1972 86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1872 832 WerFault.exe 28 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1152 plugin.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1972 wrote to memory of 1152 1972 86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe 27 PID 1972 wrote to memory of 1152 1972 86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe 27 PID 1972 wrote to memory of 1152 1972 86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe 27 PID 1972 wrote to memory of 1152 1972 86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe 27 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 1152 wrote to memory of 832 1152 plugin.exe 28 PID 832 wrote to memory of 1872 832 secinit.exe 29 PID 832 wrote to memory of 1872 832 secinit.exe 29 PID 832 wrote to memory of 1872 832 secinit.exe 29 PID 832 wrote to memory of 1872 832 secinit.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe"C:\Users\Admin\AppData\Local\Temp\86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\ProgramData\UBlockPlugin\plugin.exeC:\ProgramData\UBlockPlugin\plugin.exe "C:\Users\Admin\AppData\Local\Temp\86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c.exe" ensgJJ2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\secinit.exeC:\ProgramData\UBlockPlugin\plugin.exe3⤵
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 1364⤵
- Program crash
PID:1872
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
215KB
MD5e3149d988edfdabe27e8a4902a784d2a
SHA1ab259a9c37c60698a2544297671b39235df1aaae
SHA25686ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c
SHA512865e5f67cab098860ac2598831c564691e90966d015080279eac1fac5ee4c73cc85975498da61833a74f0ea03020418c354aa7b96312ca53eed7e331cf658878
-
Filesize
215KB
MD5e3149d988edfdabe27e8a4902a784d2a
SHA1ab259a9c37c60698a2544297671b39235df1aaae
SHA25686ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c
SHA512865e5f67cab098860ac2598831c564691e90966d015080279eac1fac5ee4c73cc85975498da61833a74f0ea03020418c354aa7b96312ca53eed7e331cf658878
-
Filesize
215KB
MD5e3149d988edfdabe27e8a4902a784d2a
SHA1ab259a9c37c60698a2544297671b39235df1aaae
SHA25686ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c
SHA512865e5f67cab098860ac2598831c564691e90966d015080279eac1fac5ee4c73cc85975498da61833a74f0ea03020418c354aa7b96312ca53eed7e331cf658878
-
Filesize
215KB
MD5e3149d988edfdabe27e8a4902a784d2a
SHA1ab259a9c37c60698a2544297671b39235df1aaae
SHA25686ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c
SHA512865e5f67cab098860ac2598831c564691e90966d015080279eac1fac5ee4c73cc85975498da61833a74f0ea03020418c354aa7b96312ca53eed7e331cf658878