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09-04-2024 03:49
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240403-peb21add42 10Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03-04-2024 12:14
Static task
static1
Behavioral task
behavioral1
Sample
Ezxotfkmz.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Ezxotfkmz.exe
Resource
win10v2004-20240226-en
General
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Target
Ezxotfkmz.exe
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Size
451KB
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MD5
0d34f2b095cbff0be00eb45758929907
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SHA1
3fa3b5e296d49c4d8e6dfc5d4b775a48609aca78
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SHA256
89d511c97a4e0f4bf48a72fe764adb6d3de9007859c7632dc07477f2062c2b20
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SHA512
6965e9d2c2b9a11bb428ba8ac47202b7d0d4aaf826f905fb0afee903b2ae4b85cec446b536721b84237aeeb08f03ff413a67c75c36ba78d85a6727831e7b6340
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SSDEEP
6144:xpHC550+1KYQ2JRpK3SRgadBU9RwfqUKDPi5xo/nY:xpis+S2JRpK3SRgKQ/n
Malware Config
Extracted
bitrat
1.38
103.153.182.247:6161
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communication_password
81dc9bdb52d04dc20036dbd8313ed055
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install_dir
Install path
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install_file
Install name
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tor_process
tor
Signatures
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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/1344-3-0x00000000061E0000-0x00000000065C4000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-4-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-5-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-7-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-9-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-11-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-13-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-15-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-17-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-19-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-21-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-23-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-25-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-27-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-29-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-31-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-33-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-35-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-37-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-39-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-41-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-43-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-45-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-47-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-49-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-51-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-53-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-55-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-57-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-59-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-61-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-63-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-65-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 behavioral2/memory/1344-67-0x00000000061E0000-0x00000000065BF000-memory.dmp family_zgrat_v1 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bcesihxe.vbs Ezxotfkmz.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Install name = "C:\\Users\\Admin\\AppData\\Local\\Install path\\Install name" Ezxotfkmz.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 3852 Ezxotfkmz.exe 3852 Ezxotfkmz.exe 3852 Ezxotfkmz.exe 3852 Ezxotfkmz.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1344 set thread context of 3852 1344 Ezxotfkmz.exe 96 -
Suspicious behavior: RenamesItself 4 IoCs
pid Process 3852 Ezxotfkmz.exe 3852 Ezxotfkmz.exe 3852 Ezxotfkmz.exe 3852 Ezxotfkmz.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1344 Ezxotfkmz.exe Token: SeDebugPrivilege 1344 Ezxotfkmz.exe Token: SeShutdownPrivilege 3852 Ezxotfkmz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3852 Ezxotfkmz.exe 3852 Ezxotfkmz.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96 PID 1344 wrote to memory of 3852 1344 Ezxotfkmz.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3852
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