Analysis
-
max time kernel
92s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 06:58
Static task
static1
Behavioral task
behavioral1
Sample
df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe
Resource
win10v2004-20240426-en
General
-
Target
df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe
-
Size
2.0MB
-
MD5
24110eee412fe304a42b59c2eb08ce7a
-
SHA1
85e912705faa2d9762830bbbe0f05b5c7f126f72
-
SHA256
df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9
-
SHA512
62414f9da187df6f94bc93ce260a4dd64123e208e95cb0d42953213f2314dfff6dfa7af7fc07f8ba3b1ed63591eef444025ab2ef30abbc8977a1d796502b17b8
-
SSDEEP
49152:OePpQEFJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEFtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
-
Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/3460-1-0x0000000004060000-0x00000000041A9000-memory.dmp family_vidar_v7 behavioral1/memory/2736-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2736-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2736-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2736-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2736-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2736-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2736-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat44E8.tmppid process 2736 kat44E8.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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 1 IoCs
Processes:
df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exedescription pid process target process PID 3460 set thread context of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat44E8.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat44E8.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat44E8.tmppid process 2736 kat44E8.tmp 2736 kat44E8.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exedescription pid process target process PID 3460 wrote to memory of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp PID 3460 wrote to memory of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp PID 3460 wrote to memory of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp PID 3460 wrote to memory of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp PID 3460 wrote to memory of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp PID 3460 wrote to memory of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp PID 3460 wrote to memory of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp PID 3460 wrote to memory of 2736 3460 df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe kat44E8.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe"C:\Users\Admin\AppData\Local\Temp\df7eb826e5ff9af966435ae9bb07768978c091165ea294f9c80e41227feed2b9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat44E8.tmpC:\Users\Admin\AppData\Local\Temp\kat44E8.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat44E8.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/2736-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2736-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2736-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2736-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2736-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2736-17-0x000000001DBC0000-0x000000001DE1F000-memory.dmpFilesize
2.4MB
-
memory/2736-32-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2736-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/3460-0-0x0000000002350000-0x0000000002351000-memory.dmpFilesize
4KB
-
memory/3460-1-0x0000000004060000-0x00000000041A9000-memory.dmpFilesize
1.3MB
-
memory/3460-6-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB