Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
30-06-2024 08:22
Static task
static1
Behavioral task
behavioral1
Sample
0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe
Resource
win10v2004-20240226-en
General
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Target
0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe
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Size
2.2MB
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MD5
f1c9110109b2fd30e8c3459f39951e05
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SHA1
9f491e668a43cb359258a130ec009a61b5834262
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SHA256
0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2
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SHA512
4fe4b5aadd50e8821eb151deff5e63b075b374ce4573afdaa631d963bbd2c3b7e1244ef1860e4db3e539ac4061ef71e66fad5729952d4441883a258f9989e28f
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SSDEEP
49152:qpjNvr9ySAOmw49HHO+SASagXkJr4MDkUwm:qpjNp7p49HH8n5A
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 9 IoCs
Processes:
resource yara_rule behavioral1/memory/844-1-0x0000000004130000-0x0000000004240000-memory.dmp family_vidar_v7 behavioral1/memory/1304-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1304-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1304-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1304-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1304-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1304-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1304-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1304-42-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katF145.tmppid process 1304 katF145.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exedescription pid process target process PID 844 set thread context of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katF145.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 katF145.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katF145.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
katF145.tmppid process 1304 katF145.tmp 1304 katF145.tmp 1304 katF145.tmp 1304 katF145.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exedescription pid process target process PID 844 wrote to memory of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp PID 844 wrote to memory of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp PID 844 wrote to memory of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp PID 844 wrote to memory of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp PID 844 wrote to memory of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp PID 844 wrote to memory of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp PID 844 wrote to memory of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp PID 844 wrote to memory of 1304 844 0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe katF145.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe"C:\Users\Admin\AppData\Local\Temp\0a4d9c9562ed56dbbfce3bd2e9a67d5e3e8b62e12dc3b1a337204325619ad0e2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\katF145.tmpC:\Users\Admin\AppData\Local\Temp\katF145.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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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 --mojo-platform-channel-handle=4064 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\katF145.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/844-9-0x0000000000400000-0x0000000000635000-memory.dmpFilesize
2.2MB
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memory/844-1-0x0000000004130000-0x0000000004240000-memory.dmpFilesize
1.1MB
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memory/844-0-0x00000000023D0000-0x00000000023D1000-memory.dmpFilesize
4KB
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memory/1304-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1304-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1304-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1304-22-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1304-23-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1304-24-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1304-26-0x0000000024CD0000-0x0000000024F2F000-memory.dmpFilesize
2.4MB
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memory/1304-41-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1304-42-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB