Analysis
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max time kernel
121s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
04-07-2024 22:31
Static task
static1
Behavioral task
behavioral1
Sample
137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe
Resource
win7-20240704-en
General
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Target
137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe
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Size
4.7MB
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MD5
06333e350e25e29677256d9be86e4ee1
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SHA1
088fa1f912473c3dfb5ab118b0bc39ec016cf15a
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SHA256
137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8
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SHA512
1475fd313ef0ca847eb7921b5bfb017f9b7f9274497df42fe3fa1477f40c6da8723ee0c46fa5c3fac6e9572c47712e1f4412c9460385c8f47117c82befdc329d
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SSDEEP
98304:QOHXslY4Scfsu4riBS64FsJHk0rxQyeYSKsXW:PHXslY4j4riIoJHkUeyexrXW
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2736-81-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2736-556-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
IJKJJKFHIJ.exepid process 584 IJKJJKFHIJ.exe -
Loads dropped DLL 6 IoCs
Processes:
MSBuild.exeWerFault.exepid process 2736 MSBuild.exe 2736 MSBuild.exe 2736 MSBuild.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exedescription pid process target process PID 2916 set thread context of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2184 584 WerFault.exe IJKJJKFHIJ.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription 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
Processes:
timeout.exepid process 2120 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
MSBuild.exepid process 2736 MSBuild.exe 2736 MSBuild.exe 2736 MSBuild.exe 2736 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exedescription pid process Token: SeDebugPrivilege 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exeMSBuild.exeIJKJJKFHIJ.execmd.exedescription pid process target process PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2916 wrote to memory of 2736 2916 137a7220fb3cbe605b6c74712ad96dcb1bdea1c489e9df159044500ccc23f3c8.exe MSBuild.exe PID 2736 wrote to memory of 584 2736 MSBuild.exe IJKJJKFHIJ.exe PID 2736 wrote to memory of 584 2736 MSBuild.exe IJKJJKFHIJ.exe PID 2736 wrote to memory of 584 2736 MSBuild.exe IJKJJKFHIJ.exe PID 2736 wrote to memory of 584 2736 MSBuild.exe IJKJJKFHIJ.exe PID 584 wrote to memory of 2184 584 IJKJJKFHIJ.exe WerFault.exe PID 584 wrote to memory of 2184 584 IJKJJKFHIJ.exe WerFault.exe PID 584 wrote to memory of 2184 584 IJKJJKFHIJ.exe WerFault.exe PID 584 wrote to memory of 2184 584 IJKJJKFHIJ.exe WerFault.exe PID 2736 wrote to memory of 2364 2736 MSBuild.exe cmd.exe PID 2736 wrote to memory of 2364 2736 MSBuild.exe cmd.exe PID 2736 wrote to memory of 2364 2736 MSBuild.exe cmd.exe PID 2736 wrote to memory of 2364 2736 MSBuild.exe cmd.exe PID 2364 wrote to memory of 2120 2364 cmd.exe timeout.exe PID 2364 wrote to memory of 2120 2364 cmd.exe timeout.exe PID 2364 wrote to memory of 2120 2364 cmd.exe timeout.exe PID 2364 wrote to memory of 2120 2364 cmd.exe timeout.exe
Processes
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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:2916 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\ProgramData\IJKJJKFHIJ.exe"C:\ProgramData\IJKJJKFHIJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:584 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 964⤵
- Loads dropped DLL
- Program crash
PID:2184 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HDGCAAFBFBKF" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:2120
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
937KB
MD5168c5908924803d268d26965c32a5620
SHA19e0e2dc9c7e931c4ee860c32d83711c433f7b1a3
SHA2562fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449
SHA512749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1