Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/06/2024, 07:00
Behavioral task
behavioral1
Sample
b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe
Resource
win10v2004-20240508-en
General
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Target
b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe
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Size
134KB
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MD5
80963c169ed50449c9d3d899b9a3e197
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SHA1
4bb5682d1e2783026ef4972ad20551fa0894f728
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SHA256
b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55
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SHA512
cc5463d036c8157db7b546997c33d571f4370f4a4ee05d74b0f7afa0f458c6de587ab57157688330e1e8a67133837d2a2a2e15d936e59ceb621b36a83ad1c53d
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SSDEEP
1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qp:riAyLN9aa+9U2rW1ip6pr2At7NZuQp
Malware Config
Signatures
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UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/2884-0-0x0000000000CA0000-0x0000000000CC8000-memory.dmp UPX behavioral1/memory/2884-4-0x0000000000080000-0x00000000000A8000-memory.dmp UPX behavioral1/files/0x002a000000014b6d-6.dat UPX behavioral1/memory/2912-7-0x0000000000820000-0x0000000000848000-memory.dmp UPX behavioral1/memory/2884-8-0x0000000000CA0000-0x0000000000CC8000-memory.dmp UPX behavioral1/memory/2884-9-0x0000000000CA0000-0x0000000000CC8000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 2912 WwanSvc.exe -
Loads dropped DLL 1 IoCs
pid Process 2884 b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe -
resource yara_rule behavioral1/memory/2884-0-0x0000000000CA0000-0x0000000000CC8000-memory.dmp upx behavioral1/memory/2884-4-0x0000000000080000-0x00000000000A8000-memory.dmp upx behavioral1/files/0x002a000000014b6d-6.dat upx behavioral1/memory/2912-7-0x0000000000820000-0x0000000000848000-memory.dmp upx behavioral1/memory/2884-8-0x0000000000CA0000-0x0000000000CC8000-memory.dmp upx behavioral1/memory/2884-9-0x0000000000CA0000-0x0000000000CC8000-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" b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2884 wrote to memory of 2912 2884 b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe 28 PID 2884 wrote to memory of 2912 2884 b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe 28 PID 2884 wrote to memory of 2912 2884 b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe 28 PID 2884 wrote to memory of 2912 2884 b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe"C:\Users\Admin\AppData\Local\Temp\b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\ProgramData\Update\WwanSvc.exe"C:\ProgramData\Update\WwanSvc.exe" /run2⤵
- Executes dropped EXE
PID:2912
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
134KB
MD51e821af2f9574b7dd184f0a3472e3469
SHA1c583496d117547135a88399889a524f2b9535728
SHA256fdd5f0fbd7bb992e35ba473ae10fe8090b5ecc8c71aef0f8401c0f0eb7835e37
SHA51255b98d31a8ee4a8868c6768a86aae5f4960bbb9eb8675c63a7fa158b5162d2127d3aacff48e403c56b2793cc47348e3aa58e2ae3c4935e904528a19597220db4