32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715

Analysis

max time kernel
152s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 03:41

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General

Target

32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe
Size

819KB
MD5

128c938afefa20af421854c256cc71f8
SHA1

53d48b115cd13a532bcd1b09215c13d09765346e
SHA256

32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715
SHA512

a485ba48ebd6fc93c8022c75fb4a9e83a4e75d95b78e1aa144149d3894d4cf45d50c4aaa35dd2f55761246fa63d46fbb78a18c262511b2281c54b4036636181f
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjB:r5sJo6YrFUiyAak11LtjB

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
912	svchest000.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1112-55-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/1112-56-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x000b0000000122d2-59.dat	upx
behavioral1/memory/912-63-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/1112-65-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe"	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1112	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe
912	svchest000.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe
File created	\??\c:\Windows\svchest000.exe	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe
File opened for modification	\??\c:\Windows\svchest000.exe	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe
File created	\??\c:\Windows\BJ.exe	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 912	1112	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe	26
PID 1112 wrote to memory of 912	1112	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe	26
PID 1112 wrote to memory of 912	1112	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe	26
PID 1112 wrote to memory of 912	1112	32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe	26

C:\Users\Admin\AppData\Local\Temp\32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe
"C:\Users\Admin\AppData\Local\Temp\32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1112
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchest000.exe

Filesize
819KB

MD5
128c938afefa20af421854c256cc71f8

SHA1
53d48b115cd13a532bcd1b09215c13d09765346e

SHA256
32b7b09bcf9af2405fe716dd021e472760e1db1ba0062159b875701cabc36715

SHA512
a485ba48ebd6fc93c8022c75fb4a9e83a4e75d95b78e1aa144149d3894d4cf45d50c4aaa35dd2f55761246fa63d46fbb78a18c262511b2281c54b4036636181f

Download Submit
memory/912-63-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1112-54-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/1112-55-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1112-56-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1112-64-0x0000000002710000-0x00000000028A7000-memory.dmp

Filesize
1.6MB

Download
memory/1112-65-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download