986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a

Analysis

max time kernel
159s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 23:17

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General

Target

986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe
Size

919KB
MD5

0de75206f5f0afe47309b4210fe2a020
SHA1

3256b29934521fae35dd2ff55730556aaf2f07c3
SHA256

986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a
SHA512

64ccc69e7beef72f21c17c5fe999b0e30d3c00c58ca1fad93b7451f530703f909194c5332048e95016dcd1c00f6c6b4efd7909662c239bc6ae38468f09aa2b5c
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjNW:r5sJo6YrFUiyAak11LtjNW

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4944	svchest425075242507520.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5000-132-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/5000-133-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/files/0x000b000000022f55-137.dat	upx
behavioral2/files/0x000b000000022f55-136.dat	upx
behavioral2/memory/4944-138-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/4944-140-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/5000-141-0x0000000000400000-0x0000000000597000-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	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe"	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
5000	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe
4944	svchest425075242507520.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe
File opened for modification	\??\c:\Windows\BJ.exe	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe
File created	\??\c:\Windows\svchest425075242507520.exe	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 4944	5000	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe	80
PID 5000 wrote to memory of 4944	5000	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe	80
PID 5000 wrote to memory of 4944	5000	986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe	80

C:\Users\Admin\AppData\Local\Temp\986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe
"C:\Users\Admin\AppData\Local\Temp\986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5000
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:4944

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\svchest425075242507520.exe

Filesize
919KB

MD5
0de75206f5f0afe47309b4210fe2a020

SHA1
3256b29934521fae35dd2ff55730556aaf2f07c3

SHA256
986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a

SHA512
64ccc69e7beef72f21c17c5fe999b0e30d3c00c58ca1fad93b7451f530703f909194c5332048e95016dcd1c00f6c6b4efd7909662c239bc6ae38468f09aa2b5c

Download Submit
\??\c:\Windows\svchest425075242507520.exe

Filesize
919KB

MD5
0de75206f5f0afe47309b4210fe2a020

SHA1
3256b29934521fae35dd2ff55730556aaf2f07c3

SHA256
986fee49e4284ca6e33d1620d1f5f2ccecf3fbf11417d45ae2ed631f2c32989a

SHA512
64ccc69e7beef72f21c17c5fe999b0e30d3c00c58ca1fad93b7451f530703f909194c5332048e95016dcd1c00f6c6b4efd7909662c239bc6ae38468f09aa2b5c

Download Submit
memory/4944-138-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4944-140-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/5000-132-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/5000-133-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/5000-141-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download