36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
22-09-2023 03:49

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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 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1724-0-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-1-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-3-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-5-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-2-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-11-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-9-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-7-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-14-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-18-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-16-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-21-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-25-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-23-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-27-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-31-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-34-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-29-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-38-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-36-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-41-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-43-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-46-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-48-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-60-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/1724-68-0x00000000039A0000-0x00000000039AA000-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
3000	1724	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1724	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe
1724	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe
1724	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 3000	1724	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe	28
PID 1724 wrote to memory of 3000	1724	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe	28
PID 1724 wrote to memory of 3000	1724	36103cbcb4f0f91977a3bb225132d6aac17485506c7f9b2c10800d4d67866ebf.exe	28
PID 1724 wrote to memory of 3000	1724	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:1724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 464
  2⤵
  - Program crash
  PID:3000

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/1724-0-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-1-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-3-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-5-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-2-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-11-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-9-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-7-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-14-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-18-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-16-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-21-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-25-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-23-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-27-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-31-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-34-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-29-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-38-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-36-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-41-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-43-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-46-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-48-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-49-0x0000000002830000-0x0000000002866000-memory.dmp

Filesize
216KB

Download
memory/1724-52-0x00000000034B0000-0x0000000003972000-memory.dmp

Filesize
4.8MB

Download
memory/1724-56-0x0000000000C30000-0x0000000000C31000-memory.dmp

Filesize
4KB

Download
memory/1724-57-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download
memory/1724-58-0x0000000075C90000-0x0000000075DA0000-memory.dmp

Filesize
1.1MB

Download
memory/1724-59-0x00000000034B0000-0x0000000003972000-memory.dmp

Filesize
4.8MB

Download
memory/1724-60-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/1724-61-0x0000000003980000-0x000000000419B000-memory.dmp

Filesize
8.1MB

Download
memory/1724-62-0x0000000004260000-0x0000000004B5A000-memory.dmp

Filesize
9.0MB

Download
memory/1724-63-0x00000000024B0000-0x00000000024B2000-memory.dmp

Filesize
8KB

Download
memory/1724-64-0x0000000000D20000-0x0000000000D36000-memory.dmp

Filesize
88KB

Download
memory/1724-65-0x0000000003980000-0x0000000003981000-memory.dmp

Filesize
4KB

Download
memory/1724-66-0x0000000075C90000-0x0000000075DA0000-memory.dmp

Filesize
1.1MB

Download
memory/1724-67-0x0000000075C90000-0x0000000075DA0000-memory.dmp

Filesize
1.1MB

Download
memory/1724-69-0x00000000039A0000-0x00000000039AA000-memory.dmp

Filesize
40KB

Download
memory/1724-68-0x00000000039A0000-0x00000000039AA000-memory.dmp

Filesize
40KB

Download
memory/1724-70-0x00000000034B0000-0x0000000003972000-memory.dmp

Filesize
4.8MB

Download
memory/1724-71-0x00000000034B0000-0x0000000003972000-memory.dmp

Filesize
4.8MB

Download
memory/1724-72-0x0000000003980000-0x000000000419B000-memory.dmp

Filesize
8.1MB

Download
memory/1724-73-0x0000000004260000-0x0000000004B5A000-memory.dmp

Filesize
9.0MB

Download
memory/1724-74-0x0000000000D20000-0x0000000000D36000-memory.dmp

Filesize
88KB

Download
memory/1724-75-0x0000000075C90000-0x0000000075DA0000-memory.dmp

Filesize
1.1MB

Download
memory/1724-76-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/1724-77-0x00000000039A0000-0x00000000039AA000-memory.dmp

Filesize
40KB

Download
memory/1724-78-0x00000000039A0000-0x00000000039AA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads