Analysis
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max time kernel
143s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 20:03
Behavioral task
behavioral1
Sample
2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe
Resource
win10v2004-20240226-en
General
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Target
2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe
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Size
134KB
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MD5
32e8ff401a3dbb48bab981436056786b
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SHA1
1be967378b64da45cf49113c34d7a133a2492998
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SHA256
2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a
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SHA512
8b74ea76c60c50dd79f6ed181bb40d07c14a592faf01e676756d3a00b73c49a187062ea1c89a60633f37822bbc4c1e22efe3686c4fff53358a31d9a6999c6ed7
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SSDEEP
1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QE:riAyLN9aa+9U2rW1ip6pr2At7NZuQE
Malware Config
Signatures
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UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/4076-0-0x0000000000280000-0x00000000002A8000-memory.dmp UPX behavioral2/files/0x0008000000023275-3.dat UPX behavioral2/memory/3048-5-0x0000000000F50000-0x0000000000F78000-memory.dmp UPX behavioral2/memory/4076-6-0x0000000000280000-0x00000000002A8000-memory.dmp UPX behavioral2/memory/3048-7-0x0000000000F50000-0x0000000000F78000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 3048 WwanSvc.exe -
resource yara_rule behavioral2/memory/4076-0-0x0000000000280000-0x00000000002A8000-memory.dmp upx behavioral2/files/0x0008000000023275-3.dat upx behavioral2/memory/3048-5-0x0000000000F50000-0x0000000000F78000-memory.dmp upx behavioral2/memory/4076-6-0x0000000000280000-0x00000000002A8000-memory.dmp upx behavioral2/memory/3048-7-0x0000000000F50000-0x0000000000F78000-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" 2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4076 wrote to memory of 3048 4076 2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe 91 PID 4076 wrote to memory of 3048 4076 2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe 91 PID 4076 wrote to memory of 3048 4076 2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe"C:\Users\Admin\AppData\Local\Temp\2dd46639616b789e73d2215a07f8220b37656ec0051492f4c575c305bcd3dc9a.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\ProgramData\Update\WwanSvc.exe"C:\ProgramData\Update\WwanSvc.exe" /run2⤵
- Executes dropped EXE
PID:3048
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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=4476 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:3588
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
134KB
MD508464a68814fc4a665bbb2d89f5eaf86
SHA102a56e973c960203110009d9a2d2b002f4eca1a0
SHA2561775bac815ebbf74a9f3207535e59923837318c89bf2f6e07344fb115921b26a
SHA512ef47d64a9fab684e90c2677fbeef6e497db464e154daada6cfd2c21d5e5cf00528af0ea704349c032f2ac90ffaec0feb4fea8b2c02e2616fc540dbda9f58b782