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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30/04/2024, 02:06
Behavioral task
behavioral1
Sample
bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe
Resource
win10v2004-20240419-en
General
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Target
bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe
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Size
134KB
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MD5
ae7c75fd8a35d69be8fde81792a30c5a
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SHA1
e0e347d7f760b712f7c729b235f805a1dabb52bc
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SHA256
bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b
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SHA512
705b459fd356384b9c67c7a1c3bf6853eabeeaec0b53d3348598035b30058c9010273178b31ee3714091eec56c7cbd9e75b5f37116a1da636607b1fe37abcbb5
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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 behavioral1/memory/2324-1-0x0000000000F70000-0x0000000000F98000-memory.dmp UPX behavioral1/files/0x003300000001416f-2.dat UPX behavioral1/memory/2324-4-0x00000000001D0000-0x00000000001F8000-memory.dmp UPX behavioral1/memory/1976-7-0x00000000011E0000-0x0000000001208000-memory.dmp UPX behavioral1/memory/2324-8-0x0000000000F70000-0x0000000000F98000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 1976 WwanSvc.exe -
Loads dropped DLL 1 IoCs
pid Process 2324 bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe -
resource yara_rule behavioral1/memory/2324-1-0x0000000000F70000-0x0000000000F98000-memory.dmp upx behavioral1/files/0x003300000001416f-2.dat upx behavioral1/memory/2324-4-0x00000000001D0000-0x00000000001F8000-memory.dmp upx behavioral1/memory/1976-7-0x00000000011E0000-0x0000000001208000-memory.dmp upx behavioral1/memory/2324-8-0x0000000000F70000-0x0000000000F98000-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" bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2324 wrote to memory of 1976 2324 bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe 28 PID 2324 wrote to memory of 1976 2324 bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe 28 PID 2324 wrote to memory of 1976 2324 bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe 28 PID 2324 wrote to memory of 1976 2324 bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe"C:\Users\Admin\AppData\Local\Temp\bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\ProgramData\Update\WwanSvc.exe"C:\ProgramData\Update\WwanSvc.exe" /run2⤵
- Executes dropped EXE
PID:1976
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
134KB
MD5ee967b711c42e990391281a115d17535
SHA16d3dee6decd0e80ee033460b3949aef93c8b2514
SHA25622e8892754bd7d19a68c76a49b1bfef2a2276f5c031fbd4f80d6289d71392261
SHA512e08ef607567d97520e3f679333fa326c019cc06a3a71fcd3e5e0de617c2fc3aff44bb56039f3fa0eb5689f9fa12b978607728763e7f935364ed859eeaed574ff