Analysis
-
max time kernel
134s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 10:23
Static task
static1
Behavioral task
behavioral1
Sample
85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe
Resource
win10v2004-20240426-en
General
-
Target
85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe
-
Size
1.8MB
-
MD5
5e60fc8215b568c562819366920b2620
-
SHA1
002ebc98cb986486c4011e048ac30c9afef0dbae
-
SHA256
85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313
-
SHA512
eb55a908f7edb677ec3a6e0c6079f4db892597bf076dd138e9a0361ed9085c3b8d1febb31517996ab4242f756fa14363d61b4392f5b89b54ee65c62996ebd784
-
SSDEEP
24576:FBfuZfeq6s1O6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFnJtTF+TxMoxc1TU+j+dAzGwlrh
Malware Config
Extracted
stealc
Signatures
-
Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/1208-2-0x0000000004060000-0x00000000041A9000-memory.dmp family_vidar_v7 behavioral1/memory/2896-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2896-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2896-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2896-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2896-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2896-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/2896-36-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat7129.tmppid process 2896 kat7129.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:
85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exedescription pid process target process PID 1208 set thread context of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat7129.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat7129.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat7129.tmppid process 2896 kat7129.tmp 2896 kat7129.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exedescription pid process target process PID 1208 wrote to memory of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp PID 1208 wrote to memory of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp PID 1208 wrote to memory of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp PID 1208 wrote to memory of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp PID 1208 wrote to memory of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp PID 1208 wrote to memory of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp PID 1208 wrote to memory of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp PID 1208 wrote to memory of 2896 1208 85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe kat7129.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe"C:\Users\Admin\AppData\Local\Temp\85d96fc2a6d7f265f30f426f5cc552b1ef83ace457a289a4efed772232611313.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\kat7129.tmpC:\Users\Admin\AppData\Local\Temp\kat7129.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\kat7129.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/1208-0-0x0000000000790000-0x0000000000791000-memory.dmpFilesize
4KB
-
memory/1208-2-0x0000000004060000-0x00000000041A9000-memory.dmpFilesize
1.3MB
-
memory/1208-9-0x0000000000400000-0x00000000005D1000-memory.dmpFilesize
1.8MB
-
memory/2896-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2896-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2896-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2896-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2896-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2896-20-0x000000001B7A0000-0x000000001B9FF000-memory.dmpFilesize
2.4MB
-
memory/2896-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2896-36-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB