Analysis
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max time kernel
138s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 00:59
Static task
static1
Behavioral task
behavioral1
Sample
1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe
Resource
win10v2004-20240611-en
General
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Target
1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe
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Size
2.2MB
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MD5
d12105d3018a3dc2e473fa1904c5fc45
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SHA1
358a14db2bd9fda6c6dffda424a5311fa21d6f6f
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SHA256
1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a
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SHA512
4a860530ac59a87ed5f5b00f14366ed2431d081aa97e4af56909af0990bc64b6af3d2fc003cd2d946242b183207b05e9d0b333cf85ef1e15ebd965813a67efbb
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX3pU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPG21tuuIeNHYGY0LzjsJxK
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 16 IoCs
Processes:
resource yara_rule behavioral1/memory/956-1-0x0000000002B10000-0x0000000002C23000-memory.dmp family_vidar_v7 behavioral1/memory/1684-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-33-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-34-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-35-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-43-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-44-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-60-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-67-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-78-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-79-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1684-80-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat56A.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation kat56A.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat56A.tmppid process 1684 kat56A.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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:
1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exedescription pid process target process PID 956 set thread context of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat56A.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat56A.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat56A.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1060 timeout.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
kat56A.tmppid process 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp 1684 kat56A.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exekat56A.tmpcmd.exedescription pid process target process PID 956 wrote to memory of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp PID 956 wrote to memory of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp PID 956 wrote to memory of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp PID 956 wrote to memory of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp PID 956 wrote to memory of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp PID 956 wrote to memory of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp PID 956 wrote to memory of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp PID 956 wrote to memory of 1684 956 1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe kat56A.tmp PID 1684 wrote to memory of 4252 1684 kat56A.tmp cmd.exe PID 1684 wrote to memory of 4252 1684 kat56A.tmp cmd.exe PID 1684 wrote to memory of 4252 1684 kat56A.tmp cmd.exe PID 4252 wrote to memory of 1060 4252 cmd.exe timeout.exe PID 4252 wrote to memory of 1060 4252 cmd.exe timeout.exe PID 4252 wrote to memory of 1060 4252 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe"C:\Users\Admin\AppData\Local\Temp\1d9a4b30d701d760496889db13feea1ceab8fee605bedec3960b4bffa7d2044a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat56A.tmpC:\Users\Admin\AppData\Local\Temp\kat56A.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat56A.tmp" & rd /s /q "C:\ProgramData\KEGIDHJKKJDG" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
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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 --field-trial-handle=4564,i,7869973516895866428,11647313872437892197,262144 --variations-seed-version --mojo-platform-channel-handle=4428 /prefetch:81⤵
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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=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=2944,i,7869973516895866428,11647313872437892197,262144 --variations-seed-version --mojo-platform-channel-handle=2472 /prefetch:31⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending ReportsFilesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch DictionariesFilesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
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C:\Users\Admin\AppData\Local\Temp\kat56A.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/956-9-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
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memory/956-1-0x0000000002B10000-0x0000000002C23000-memory.dmpFilesize
1.1MB
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memory/956-0-0x00000000023E0000-0x00000000023E1000-memory.dmpFilesize
4KB
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memory/1684-33-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-43-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-23-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-25-0x0000000022710000-0x000000002296F000-memory.dmpFilesize
2.4MB
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memory/1684-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-34-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-35-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-22-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-44-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-60-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-67-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-78-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-79-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-80-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/1684-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB