36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 05:35

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General

Target

36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe
Size

7.8MB
MD5

c81cb822bb90fa5d904681f1e1f760df
SHA1

3df42ced84d4ae843ed102942a53609b93f1d867
SHA256

36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf
SHA512

3ca488519af0904ab8f3c0f2db938e4aa38d99df5b6ef1a99b657d6d376f564a9f81ca80165f0c6b348a8a7714e75b2020ac25782005f95c887ffbd8e116c962
SSDEEP

98304:0Q1+g3r79WaGePw94uVS9cUQ8ia8ktR2CfJNaaDnY5X9HVnG0a:J3Mak4KVq8ktR2CfnaaDSNHVGd

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 25 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2256-1-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-0-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-2-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-3-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-5-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-7-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-9-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-11-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-13-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-15-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-17-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-19-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-21-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-23-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-26-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-28-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-30-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-34-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-32-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-36-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-38-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-40-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-42-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-44-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2256-56-0x0000000010000000-0x000000001003F000-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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2416	2256	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2256	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe
2256	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe
2256	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2416	2256	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe	28
PID 2256 wrote to memory of 2416	2256	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe	28
PID 2256 wrote to memory of 2416	2256	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe	28
PID 2256 wrote to memory of 2416	2256	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe	28

C:\Users\Admin\AppData\Local\Temp\36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe
"C:\Users\Admin\AppData\Local\Temp\36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 472
  2⤵
  - Program crash
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2256-1-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-0-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-2-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-3-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-5-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-7-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-9-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-11-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-13-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-15-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-17-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-19-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-21-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-23-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-26-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-28-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-30-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-34-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-32-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-36-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-38-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-40-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-42-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-44-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-45-0x0000000002550000-0x0000000002586000-memory.dmp

Filesize
216KB

Download
memory/2256-48-0x0000000003630000-0x0000000003AF2000-memory.dmp

Filesize
4.8MB

Download
memory/2256-53-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2256-52-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2256-54-0x0000000077110000-0x0000000077220000-memory.dmp

Filesize
1.1MB

Download
memory/2256-55-0x0000000003630000-0x0000000003AF2000-memory.dmp

Filesize
4.8MB

Download
memory/2256-56-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2256-57-0x0000000003B00000-0x000000000431B000-memory.dmp

Filesize
8.1MB

Download
memory/2256-58-0x0000000004320000-0x0000000004C1A000-memory.dmp

Filesize
9.0MB

Download
memory/2256-59-0x0000000000350000-0x0000000000366000-memory.dmp

Filesize
88KB

Download
memory/2256-60-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/2256-61-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/2256-62-0x0000000077110000-0x0000000077220000-memory.dmp

Filesize
1.1MB

Download
memory/2256-63-0x00000000028E0000-0x00000000028EA000-memory.dmp

Filesize
40KB

Download
memory/2256-64-0x00000000028E0000-0x00000000028EA000-memory.dmp

Filesize
40KB

Download
memory/2256-65-0x0000000077110000-0x0000000077220000-memory.dmp

Filesize
1.1MB

Download
memory/2256-66-0x0000000003630000-0x0000000003AF2000-memory.dmp

Filesize
4.8MB

Download
memory/2256-67-0x0000000003630000-0x0000000003AF2000-memory.dmp

Filesize
4.8MB

Download
memory/2256-68-0x0000000003B00000-0x000000000431B000-memory.dmp

Filesize
8.1MB

Download
memory/2256-69-0x0000000004320000-0x0000000004C1A000-memory.dmp

Filesize
9.0MB

Download
memory/2256-70-0x0000000000350000-0x0000000000366000-memory.dmp

Filesize
88KB

Download
memory/2256-71-0x0000000077110000-0x0000000077220000-memory.dmp

Filesize
1.1MB

Download
memory/2256-72-0x00000000028E0000-0x00000000028EA000-memory.dmp

Filesize
40KB

Download
memory/2256-73-0x00000000028E0000-0x00000000028EA000-memory.dmp

Filesize
40KB

Download
memory/2256-74-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads