Analysis
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max time kernel
121s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
07/10/2023, 10:25
Static task
static1
Behavioral task
behavioral1
Sample
233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe
Resource
win10v2004-20230915-en
General
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Target
233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe
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Size
12.6MB
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MD5
cdd7fbcb91b9d9d4ef3840c5c25eca58
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SHA1
4159a1a47b065c3d230f024ca16fb3aae6db1cc6
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SHA256
233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0
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SHA512
11b8e7b09d3300ac957ba87622f1a3a4d9821aef653d6a62b6b2a2122233383de77c34061e97bdbff598a55707cad273f1b9b2e92690a4546ac79e6dbb32e771
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SSDEEP
196608:kDlJPKkJVHSsJVLvK7d6+fkwMmgpsjIJV8SOv+NQ5V4QL2+stc8XO0flo:KJPFismvfYmgpssovsQbl25tPOO2
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2232-0-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-2-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-3-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-7-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-5-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-9-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-11-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-14-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-16-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-19-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-21-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-24-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-26-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-29-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-33-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-31-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-36-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-38-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-42-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-45-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-40-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-49-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-47-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral1/memory/2232-50-0x0000000010000000-0x000000001003E000-memory.dmp upx -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2232 233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2232 233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe 2232 233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe 2232 233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe"C:\Users\Admin\AppData\Local\Temp\233a8e8a815620607fec790f387374b6809c1f7077597d7e875ac6e51ec975b0.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2232
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf