6c78f42692176f97269807e4a685a2c9d5d0a811cfa5ccb65b63e2a6da80d182

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 18:32

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General

Target

0c15c2b40fd0a496a1ca36d3fbb203c1.exe
Size

885KB
MD5

0c15c2b40fd0a496a1ca36d3fbb203c1
SHA1

01312c3806c9a9d6aa8be11f196544f4d7afaee3
SHA256

6c78f42692176f97269807e4a685a2c9d5d0a811cfa5ccb65b63e2a6da80d182
SHA512

0764bbb2689e99e28b9983553bd9a8eb6eda97428c161c9fcc7dff49ee130d4eff56769a7c24144ec0fffeedf2f18139f88eb70651fd97f44eb15421401080ad
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjBHANNVAUNE:r5sJo6YrFUiyAak11LtjJ

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3148	svchest425075242507520.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2044-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/2044-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/3148-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/3148-12-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/2044-13-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0c15c2b40fd0a496a1ca36d3fbb203c1.exe"	0c15c2b40fd0a496a1ca36d3fbb203c1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2044	0c15c2b40fd0a496a1ca36d3fbb203c1.exe
3148	svchest425075242507520.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	0c15c2b40fd0a496a1ca36d3fbb203c1.exe
File created	\??\c:\Windows\BJ.exe	0c15c2b40fd0a496a1ca36d3fbb203c1.exe
File opened for modification	\??\c:\Windows\BJ.exe	0c15c2b40fd0a496a1ca36d3fbb203c1.exe
File created	\??\c:\Windows\svchest425075242507520.exe	0c15c2b40fd0a496a1ca36d3fbb203c1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 3148	2044	0c15c2b40fd0a496a1ca36d3fbb203c1.exe	22
PID 2044 wrote to memory of 3148	2044	0c15c2b40fd0a496a1ca36d3fbb203c1.exe	22
PID 2044 wrote to memory of 3148	2044	0c15c2b40fd0a496a1ca36d3fbb203c1.exe	22

C:\Users\Admin\AppData\Local\Temp\0c15c2b40fd0a496a1ca36d3fbb203c1.exe
"C:\Users\Admin\AppData\Local\Temp\0c15c2b40fd0a496a1ca36d3fbb203c1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2044
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:3148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2044-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2044-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2044-13-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/3148-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/3148-12-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads