Analysis
-
max time kernel
131s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 07:58
Static task
static1
Behavioral task
behavioral1
Sample
b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe
Resource
win10v2004-20240508-en
General
-
Target
b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe
-
Size
2.2MB
-
MD5
dd69f4fd6df885583bf64082547d7e2f
-
SHA1
a3c12997a466124e09b52e9f439f18220dd98438
-
SHA256
b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c
-
SHA512
0874fb468981058bf9bc977188c67b2945c8a5c3c07e4d67416164d02a4ecd3ae80e5056a55ab36cf364a6780c55d0ce8ae575132e0c1d0f9ef2b05d27b5b2ab
-
SSDEEP
49152:qpjNvr9ySAOmw4BHHO+SASagXkJr4MDkUwm:qpjNp7p4BHH8n5A
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
-
Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/1376-1-0x0000000004070000-0x0000000004180000-memory.dmp family_vidar_v7 behavioral1/memory/4688-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4688-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4688-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4688-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4688-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4688-40-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4688-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
Processes:
katF5BA.tmppid process 4688 katF5BA.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:
b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exedescription pid process target process PID 1376 set thread context of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katF5BA.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 katF5BA.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katF5BA.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
katF5BA.tmppid process 4688 katF5BA.tmp 4688 katF5BA.tmp 4688 katF5BA.tmp 4688 katF5BA.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exedescription pid process target process PID 1376 wrote to memory of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp PID 1376 wrote to memory of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp PID 1376 wrote to memory of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp PID 1376 wrote to memory of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp PID 1376 wrote to memory of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp PID 1376 wrote to memory of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp PID 1376 wrote to memory of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp PID 1376 wrote to memory of 4688 1376 b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe katF5BA.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe"C:\Users\Admin\AppData\Local\Temp\b896b08e6f55dc75efa8bfd658911f3cff99a63bf3982159ccc326463ba3054c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Users\Admin\AppData\Local\Temp\katF5BA.tmpC:\Users\Admin\AppData\Local\Temp\katF5BA.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4688
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4212,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=1428 /prefetch:81⤵PID:4520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f