Analysis
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max time kernel
145s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10/06/2024, 21:43
Behavioral task
behavioral1
Sample
4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe
Resource
win10v2004-20240508-en
General
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Target
4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe
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Size
134KB
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MD5
02d924f5831e010778b5fc77685a4b3e
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SHA1
cfd201bdd8e7549c8ed37f3f1e5a3d30bae8f73f
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SHA256
4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e
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SHA512
1aced28b7aa48452e72a2c8c6e119a93fdb134bafe276a8dccb09df302e44de53a9611b090f39185bb5e410cf62010b1187ec1e49931af4b9a6306e8298298b3
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SSDEEP
1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QC:riAyLN9aa+9U2rW1ip6pr2At7NZuQC
Malware Config
Signatures
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UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/3444-0-0x00000000002D0000-0x00000000002F8000-memory.dmp UPX behavioral2/files/0x000900000002340a-3.dat UPX behavioral2/memory/3444-4-0x00000000002D0000-0x00000000002F8000-memory.dmp UPX behavioral2/memory/3224-6-0x0000000000B80000-0x0000000000BA8000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 3224 WwanSvc.exe -
resource yara_rule behavioral2/memory/3444-0-0x00000000002D0000-0x00000000002F8000-memory.dmp upx behavioral2/files/0x000900000002340a-3.dat upx behavioral2/memory/3444-4-0x00000000002D0000-0x00000000002F8000-memory.dmp upx behavioral2/memory/3224-6-0x0000000000B80000-0x0000000000BA8000-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" 4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3444 wrote to memory of 3224 3444 4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe 82 PID 3444 wrote to memory of 3224 3444 4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe 82 PID 3444 wrote to memory of 3224 3444 4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe"C:\Users\Admin\AppData\Local\Temp\4a6f1e0d5c341d0d772264832ba6d71d5a5ba2f55b0d47429474f9b016ad951e.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\ProgramData\Update\WwanSvc.exe"C:\ProgramData\Update\WwanSvc.exe" /run2⤵
- Executes dropped EXE
PID:3224
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
134KB
MD5040860ce3717bc90ee9374dfeb907592
SHA112b4c12e5d6bee8c0bfa99ff69fceae3244bbad1
SHA256ff322ae91e33de82baa1457a04ca52964046c792e6a4a01fb93e993e5c9c0970
SHA5123bb65e7f6a8169228dcb21ba25787c2400e7d1627dfae2be8ec9d3ae98d916b0a5f3e099cde112878a5b0e07c0745545dda262eb45c44a1e40b3d5aadad58de1