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Analysis
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max time kernel
141s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03/06/2024, 05:05
Behavioral task
behavioral1
Sample
e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe
Resource
win10v2004-20240508-en
General
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Target
e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe
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Size
134KB
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MD5
47c44a060f6302aa7e72753c8648b805
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SHA1
da9df6328aefc3424699a2264495f7302f54b3fa
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SHA256
e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99
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SHA512
1ed3606760f1dde40ef04f15c49377e96c13e718b26a5fbf65aad568d4626d4834bec5321247854d93fdb01ed9cf040f7a91cb34808dd21e06066dd19f4f48f7
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SSDEEP
1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qs:riAyLN9aa+9U2rW1ip6pr2At7NZuQs
Malware Config
Signatures
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UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/4816-0-0x00000000007B0000-0x00000000007D8000-memory.dmp UPX behavioral2/files/0x00080000000233e1-3.dat UPX behavioral2/memory/4816-5-0x00000000007B0000-0x00000000007D8000-memory.dmp UPX behavioral2/memory/2596-6-0x0000000000F40000-0x0000000000F68000-memory.dmp UPX behavioral2/memory/2596-7-0x0000000000F40000-0x0000000000F68000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 2596 WwanSvc.exe -
resource yara_rule behavioral2/memory/4816-0-0x00000000007B0000-0x00000000007D8000-memory.dmp upx behavioral2/files/0x00080000000233e1-3.dat upx behavioral2/memory/4816-5-0x00000000007B0000-0x00000000007D8000-memory.dmp upx behavioral2/memory/2596-6-0x0000000000F40000-0x0000000000F68000-memory.dmp upx behavioral2/memory/2596-7-0x0000000000F40000-0x0000000000F68000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run" e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4816 wrote to memory of 2596 4816 e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe 82 PID 4816 wrote to memory of 2596 4816 e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe 82 PID 4816 wrote to memory of 2596 4816 e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe"C:\Users\Admin\AppData\Local\Temp\e995a6b93ba71a4aab578796f52db018c813fa1db317a45694c1b38e20f8db99.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\ProgramData\Update\WwanSvc.exe"C:\ProgramData\Update\WwanSvc.exe" /run2⤵
- Executes dropped EXE
PID:2596
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
134KB
MD5f4b274c0224782aff4118054b046af42
SHA1a1549db6d947fbdb54e2bf966f27dc086de5ae69
SHA256273976c5a86c886606250e11f93d033cf207626ab627dd13fc75116066866085
SHA51253f1a5a3785f79c8022fd563e85d0210faceeca670c59f8a2de16fb2854d223d1160fa2ecb20f3f5fc089e4552fb87b23e5170b637bacf8d0385792b945079ca