Analysis
- max time kernel
134s - max time network
299s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system - submitted
04/07/2024, 22:31
Static task
static1
Behavioral task
behavioral1
Sample
137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe
Resource
win7-20240704-en
14 signatures
300 seconds
General
- Target 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe
- Size 4.7MB
- Sample240704-2fva7ashlm
- SHA256 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8
- MD5 06333e350e25e29677256d9be86e4ee1
- SHA1 088fa1f912473c3dfb5ab118b0bc39ec016cf15a
- SHA512 1475fd313ef0ca847eb7921b5bfb017f9b7f9274497df42fe3fa1477f40c6da8723ee0c46fa5c3fac6e9572c47712e1f4412c9460385c8f47117c82befdc329d
- SSDEEP 98304:QOHXslY4Scfsu4riBS64FsJHk0rxQyeYSKsXW:PHXslY4j4riIoJHkUeyexrXW
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
vidar
C2
-
https://t.me/g067n
-
https://steamcommunity.com/profiles/76561199707802586
Attributes
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Extracted
Family
-
lumma
C2
-
https://civilizzzationo.shop/api
Signatures
- Detect Vidar Stealer 6 IoCs
resource yara_rule behavioral2/memory/1440-68-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1440-71-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1440-72-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1440-86-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1440-93-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/1440-136-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 - Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 3292 IEGCBAAFHD.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5032 set thread context of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 3292 set thread context of 504 3292 IEGCBAAFHD.exe 77 - Program crash 1 IoCs
pid pid_target Process procid_target 936 3292 WerFault.exe 74 - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe - Delays execution with timeout.exe 1 IoCs
pid Process 2000 timeout.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1440 MSBuild.exe 1440 MSBuild.exe 1440 MSBuild.exe 1440 MSBuild.exe 1440 MSBuild.exe 1440 MSBuild.exe 504 RegAsm.exe 504 RegAsm.exe 504 RegAsm.exe 504 RegAsm.exe 1440 MSBuild.exe 1440 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe - Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 5032 wrote to memory of 1440 5032 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe 72 PID 1440 wrote to memory of 3292 1440 MSBuild.exe 74 PID 1440 wrote to memory of 3292 1440 MSBuild.exe 74 PID 1440 wrote to memory of 3292 1440 MSBuild.exe 74 PID 3292 wrote to memory of 2956 3292 IEGCBAAFHD.exe 76 PID 3292 wrote to memory of 2956 3292 IEGCBAAFHD.exe 76 PID 3292 wrote to memory of 2956 3292 IEGCBAAFHD.exe 76 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 3292 wrote to memory of 504 3292 IEGCBAAFHD.exe 77 PID 1440 wrote to memory of 2616 1440 MSBuild.exe 80 PID 1440 wrote to memory of 2616 1440 MSBuild.exe 80 PID 1440 wrote to memory of 2616 1440 MSBuild.exe 80 PID 2616 wrote to memory of 2000 2616 cmd.exe 82 PID 2616 wrote to memory of 2000 2616 cmd.exe 82 PID 2616 wrote to memory of 2000 2616 cmd.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe"C:\Users\Admin\AppData\Local\Temp\137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\ProgramData\IEGCBAAFHD.exe"C:\ProgramData\IEGCBAAFHD.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:2956
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
PID:504
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 2924⤵
- Program crash
PID:936
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCGHJEBGHJKE" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:2000
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\IEGCBAAFHD.exe
- Size 937KB
- SHA256 2fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449
- MD5 168c5908924803d268d26965c32a5620
- SHA1 9e0e2dc9c7e931c4ee860c32d83711c433f7b1a3
- SHA512 749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1
- SSDEEP 24576:YlrD4dQCg30l8cwMKAWgXkALsi3XoiHbL1/2E47kRh2gPilPfy:6RE6cwMKAHO6XoGR/Slhi
- MD5 SHA1 SHA512 SSDEEP