Analysis
-
max time kernel
195s -
max time network
260s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
03-06-2024 05:37
Static task
static1
Behavioral task
behavioral1
Sample
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe
Resource
win7-20231129-en
General
-
Target
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe
-
Size
2.4MB
-
MD5
26d0c4f95063e6f502c519a9f0de8e3d
-
SHA1
74913b5791803e3abac7d10a68717b325143c9cc
-
SHA256
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2
-
SHA512
80e339b49f08dd64ea1afc70293844a59ee370091a0ec86801065d7380514d44f27672a44d13f8a0e0010762a60a56de0d09412e77110d11a224af34ae64a83a
-
SSDEEP
49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
-
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 behavioral2/memory/4796-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4796-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4796-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/2772-2-0x0000000003F30000-0x000000000407C000-memory.dmp family_vidar_v7 behavioral2/memory/4796-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4796-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4796-30-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4796-31-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
kat6AEF.tmppid Process 4796 kat6AEF.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:
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exedescription pid Process procid_target PID 2772 set thread context of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6AEF.tmpdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6AEF.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat6AEF.tmppid Process 4796 kat6AEF.tmp 4796 kat6AEF.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exedescription pid Process procid_target PID 2772 wrote to memory of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74 PID 2772 wrote to memory of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74 PID 2772 wrote to memory of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74 PID 2772 wrote to memory of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74 PID 2772 wrote to memory of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74 PID 2772 wrote to memory of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74 PID 2772 wrote to memory of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74 PID 2772 wrote to memory of 4796 2772 7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe"C:\Users\Admin\AppData\Local\Temp\7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Users\Admin\AppData\Local\Temp\kat6AEF.tmpC:\Users\Admin\AppData\Local\Temp\kat6AEF.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4796
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f