Analysis
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max time kernel
165s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-03-2024 00:18
Static task
static1
Behavioral task
behavioral1
Sample
bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe
Resource
win10v2004-20240226-en
General
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Target
bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe
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Size
464KB
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MD5
abc4c9705c66ca5e1f1dcfede06a3faf
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SHA1
7f5981ea756a40e449e4b1f3df0000f8d519500a
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SHA256
bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470
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SHA512
91766684b84230e71ab405d3e9aef35dea259f6387b5a39539c5350e02db586f130673d2c63183b5e29c0e6844bb2700245ebc0dc2e193f3d330548e2a349039
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SSDEEP
12288:7Mlc87eqqV5e+wBV6O+01m8uB1TF0G+7aLH+7xorW:7MSqqHeVBxZ1m3F0G+7AH+tx
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 5544 Picktar.exe 2420 ~9769.tmp 1004 cmstvert.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backkill = "C:\\Users\\Admin\\AppData\\Roaming\\fontethc\\Picktar.exe" bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\cmstvert.exe bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5544 Picktar.exe 5544 Picktar.exe 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE 3196 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5544 Picktar.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3196 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1420 wrote to memory of 5544 1420 bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe 99 PID 1420 wrote to memory of 5544 1420 bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe 99 PID 1420 wrote to memory of 5544 1420 bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe 99 PID 5544 wrote to memory of 2420 5544 Picktar.exe 102 PID 5544 wrote to memory of 2420 5544 Picktar.exe 102 PID 2420 wrote to memory of 3196 2420 ~9769.tmp 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:3196 -
C:\Users\Admin\AppData\Local\Temp\bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe"C:\Users\Admin\AppData\Local\Temp\bede30fbc43e3c050c95d919b5c617e11fd3c0757461291b562a4aba7f195470.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Users\Admin\AppData\Roaming\fontethc\Picktar.exe"C:\Users\Admin\AppData\Roaming\fontethc"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5544 -
C:\Users\Admin\AppData\Local\Temp\~9769.tmp3196 475144 5544 14⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2420
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C:\Windows\SysWOW64\cmstvert.exeC:\Windows\SysWOW64\cmstvert.exe -s1⤵
- Executes dropped EXE
PID:1004
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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=3100 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵PID:2120
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD586dc243576cf5c7445451af37631eea9
SHA199a81c47c4c02f32c0ab456bfa23c306c7a09bf9
SHA25625d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a
SHA512c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4
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Filesize
464KB
MD5759224cece82fb85106cfe382864a583
SHA152057d841aab6392fbd4508123502b6feef9d6f5
SHA256c3c4f4911e123bda30b890bd5004c8ad05108e1a17e672734301464c7bc72ec6
SHA512a81a9a2ab066cc1352eb690e4df1e7c5e063efb55bd4f5274fc3655a2cecb5e712c9c97bdea51775453527956e8d342f8e1e6f752220f9440790b94b3b4d44a3