Analysis
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max time kernel
94s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 00:49
Static task
static1
Behavioral task
behavioral1
Sample
6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe
Resource
win10v2004-20240426-en
General
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Target
6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe
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Size
1.9MB
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MD5
ac47cf87406a5921b546d32cd6357716
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SHA1
d4e65281817d6be9ed669c9a07aaf99c9429940a
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SHA256
6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f
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SHA512
075182817f1c9404a2bc9058c04578b3b4b80182fedee76fcb384db808a13ca911c95452d0545de938ca963025d7d21b5b556599e884a73312f7968eeaf0704e
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SSDEEP
49152:CdKfTn6v+JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnNtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/4412-2-0x0000000004180000-0x00000000042C9000-memory.dmp family_vidar_v7 behavioral1/memory/428-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/428-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/428-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/428-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/428-20-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/428-37-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/428-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat2F6C.tmppid process 428 kat2F6C.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:
6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exedescription pid process target process PID 4412 set thread context of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat2F6C.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat2F6C.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat2F6C.tmppid process 428 kat2F6C.tmp 428 kat2F6C.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exedescription pid process target process PID 4412 wrote to memory of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp PID 4412 wrote to memory of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp PID 4412 wrote to memory of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp PID 4412 wrote to memory of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp PID 4412 wrote to memory of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp PID 4412 wrote to memory of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp PID 4412 wrote to memory of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp PID 4412 wrote to memory of 428 4412 6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe kat2F6C.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe"C:\Users\Admin\AppData\Local\Temp\6ee130df49728d2f3b8a8db810da65da6c4b9c8c1c63a890a4da57f8de55c87f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Users\Admin\AppData\Local\Temp\kat2F6C.tmpC:\Users\Admin\AppData\Local\Temp\kat2F6C.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:428
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat2F6C.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/428-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/428-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/428-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/428-19-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/428-20-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/428-22-0x000000001DBD0000-0x000000001DE2F000-memory.dmpFilesize
2.4MB
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memory/428-37-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/428-38-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4412-0-0x0000000002390000-0x0000000002391000-memory.dmpFilesize
4KB
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memory/4412-2-0x0000000004180000-0x00000000042C9000-memory.dmpFilesize
1.3MB
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memory/4412-9-0x0000000000400000-0x00000000005EC000-memory.dmpFilesize
1.9MB