Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 06:21
Static task
static1
Behavioral task
behavioral1
Sample
e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe
Resource
win10v2004-20240226-en
General
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Target
e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe
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Size
2.2MB
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MD5
4525edfb6ae38e43e9c86658cc2d498e
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SHA1
51fd5a77287151d644d7bfd74175d89aca1060ab
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SHA256
e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f
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SHA512
409683867dc4779346eaff401c3b715aa1fd4c2dcf4b3f3fa3b176cb7e59fe7c0a190a6fcdad2dc52719b7f4ee702063e3800801d17545c20191dd5cf54c40d9
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SSDEEP
49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A
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/4544-1-0x0000000004200000-0x0000000004310000-memory.dmp family_vidar_v7 behavioral1/memory/3192-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-20-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3192-42-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katC7E.tmppid process 3192 katC7E.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:
e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exedescription pid process target process PID 4544 set thread context of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katC7E.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 katC7E.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katC7E.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
katC7E.tmppid process 3192 katC7E.tmp 3192 katC7E.tmp 3192 katC7E.tmp 3192 katC7E.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exedescription pid process target process PID 4544 wrote to memory of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp PID 4544 wrote to memory of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp PID 4544 wrote to memory of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp PID 4544 wrote to memory of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp PID 4544 wrote to memory of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp PID 4544 wrote to memory of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp PID 4544 wrote to memory of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp PID 4544 wrote to memory of 3192 4544 e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe katC7E.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe"C:\Users\Admin\AppData\Local\Temp\e42e0f8882b0ac5ce25e0ab5174f557b7a400f17fdf56d426a81e90b1145057f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Users\Admin\AppData\Local\Temp\katC7E.tmpC:\Users\Admin\AppData\Local\Temp\katC7E.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3192
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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=4440 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵PID:1724
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f