Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-10-2024 10:52
Behavioral task
behavioral1
Sample
polarbsttool.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
polarbsttool.exe
Resource
win10v2004-20241007-en
General
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Target
polarbsttool.exe
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Size
17.7MB
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MD5
f263321d315e299c2eb8511aebdc64ff
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SHA1
96ebff77b203ddc92096715556ea0ea528169f73
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SHA256
48a54831452aac0418e39589a859550a5dd4259eafb82bb6cb16b1aa56b7cd88
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SHA512
8f8313e0ad3453e4a8eb949a1da3e11f56a3c9c185f3620dee293f286221205e1d0385261c472d27e55176ff407128ea07b896c56d672e267cae3c649d750540
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SSDEEP
393216:nqPnLFXlrPmQ8DOETgsvfGxgU/bwsvE2LfADjq:qPLFXNOQhEwXjk8z
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2436 polarbsttool.exe -
resource yara_rule behavioral1/files/0x000500000001a4de-111.dat upx -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2308 wrote to memory of 2436 2308 polarbsttool.exe 31 PID 2308 wrote to memory of 2436 2308 polarbsttool.exe 31 PID 2308 wrote to memory of 2436 2308 polarbsttool.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\polarbsttool.exe"C:\Users\Admin\AppData\Local\Temp\polarbsttool.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\AppData\Local\Temp\polarbsttool.exe"C:\Users\Admin\AppData\Local\Temp\polarbsttool.exe"2⤵
- Loads dropped DLL
PID:2436
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.4MB
MD569d4f13fbaeee9b551c2d9a4a94d4458
SHA169540d8dfc0ee299a7ff6585018c7db0662aa629
SHA256801317463bd116e603878c7c106093ba7db2bece11e691793e93065223fc7046
SHA5128e632f141daf44bc470f8ee677c6f0fdcbcacbfce1472d928576bf7b9f91d6b76639d18e386d5e1c97e538a8fe19dd2d22ea47ae1acf138a0925e3c6dd156378