Analysis Overview
SHA256
ab777f3fb12d2c81d5454bafa6214aa997ecef4144b0651cc9a4a5dee88cb17b
Threat Level: Known bad
The file ab777f3fb12d2c81d5454bafa6214aa997ecef4144b0651cc9a4a5dee88cb17b was found to be: Known bad.
Malicious Activity Summary
Vidar
Detect Vidar Stealer
Stealc
Downloads MZ/PE file
Executes dropped EXE
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-08 05:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-08 05:26
Reported
2024-06-08 05:29
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat2981.tmp | N/A |
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2852 set thread context of 4292 | N/A | C:\Users\Admin\AppData\Local\Temp\ab777f3fb12d2c81d5454bafa6214aa997ecef4144b0651cc9a4a5dee88cb17b.exe | C:\Users\Admin\AppData\Local\Temp\kat2981.tmp |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat2981.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat2981.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat2981.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ab777f3fb12d2c81d5454bafa6214aa997ecef4144b0651cc9a4a5dee88cb17b.exe
"C:\Users\Admin\AppData\Local\Temp\ab777f3fb12d2c81d5454bafa6214aa997ecef4144b0651cc9a4a5dee88cb17b.exe"
C:\Users\Admin\AppData\Local\Temp\kat2981.tmp
C:\Users\Admin\AppData\Local\Temp\kat2981.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2852-0-0x00000000024E0000-0x00000000024E1000-memory.dmp
memory/2852-2-0x00000000040A0000-0x0000000004203000-memory.dmp
memory/4292-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4292-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/2852-9-0x0000000000400000-0x000000000067A000-memory.dmp
memory/4292-10-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat2981.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/4292-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4292-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4292-16-0x000000001DCF0000-0x000000001DF4F000-memory.dmp
memory/4292-31-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4292-32-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-08 05:26
Reported
2024-06-08 05:29
Platform
win11-20240508-en
Max time kernel
146s
Max time network
150s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat595B.tmp | N/A |
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4908 set thread context of 1768 | N/A | C:\Users\Admin\AppData\Local\Temp\ab777f3fb12d2c81d5454bafa6214aa997ecef4144b0651cc9a4a5dee88cb17b.exe | C:\Users\Admin\AppData\Local\Temp\kat595B.tmp |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat595B.tmp | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat595B.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat595B.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ab777f3fb12d2c81d5454bafa6214aa997ecef4144b0651cc9a4a5dee88cb17b.exe
"C:\Users\Admin\AppData\Local\Temp\ab777f3fb12d2c81d5454bafa6214aa997ecef4144b0651cc9a4a5dee88cb17b.exe"
C:\Users\Admin\AppData\Local\Temp\kat595B.tmp
C:\Users\Admin\AppData\Local\Temp\kat595B.tmp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.190.202.116.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
| DE | 116.202.190.18:5432 | 116.202.190.18 | tcp |
Files
memory/4908-0-0x0000000000930000-0x0000000000931000-memory.dmp
memory/4908-1-0x0000000002B90000-0x0000000002CF3000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat595B.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1768-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1768-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4908-10-0x0000000000400000-0x000000000067A000-memory.dmp
memory/1768-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1768-15-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1768-16-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1768-18-0x000000001B850000-0x000000001BAAF000-memory.dmp
memory/1768-33-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1768-34-0x0000000000400000-0x0000000000648000-memory.dmp