6eede7c8af05dd28fe62bec856d7e7a276078e51da48539e083088dfee647d68

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 01:33

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General

Target

1d8b5274e26329f1b5dffbecf3b8b3f4.exe
Size

898KB
MD5

1d8b5274e26329f1b5dffbecf3b8b3f4
SHA1

a6d0a24bd77e98c589efd158831ff05b5864c786
SHA256

6eede7c8af05dd28fe62bec856d7e7a276078e51da48539e083088dfee647d68
SHA512

242f76b538385c435a4ecd8361f11038ebfc9c47da0d55b148bdcc4a42c8f054b15ce1e07151e408cbf817a8abc381dfe6094c00378f538f40f1c2a54bfcb7b8
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjUN:r5sJo6YrFUiyAak11LtjUN

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1896	svchest000.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/772-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/772-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x0048000000013391-7.dat	upx
behavioral1/memory/1896-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/1896-11-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/1896-14-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/772-15-0x0000000000400000-0x0000000000597000-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\\1d8b5274e26329f1b5dffbecf3b8b3f4.exe"	1d8b5274e26329f1b5dffbecf3b8b3f4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
772	1d8b5274e26329f1b5dffbecf3b8b3f4.exe
1896	svchest000.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	1d8b5274e26329f1b5dffbecf3b8b3f4.exe
File opened for modification	\??\c:\Windows\BJ.exe	1d8b5274e26329f1b5dffbecf3b8b3f4.exe
File created	\??\c:\Windows\svchest000.exe	1d8b5274e26329f1b5dffbecf3b8b3f4.exe
File opened for modification	\??\c:\Windows\svchest000.exe	1d8b5274e26329f1b5dffbecf3b8b3f4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 1896	772	1d8b5274e26329f1b5dffbecf3b8b3f4.exe	28
PID 772 wrote to memory of 1896	772	1d8b5274e26329f1b5dffbecf3b8b3f4.exe	28
PID 772 wrote to memory of 1896	772	1d8b5274e26329f1b5dffbecf3b8b3f4.exe	28
PID 772 wrote to memory of 1896	772	1d8b5274e26329f1b5dffbecf3b8b3f4.exe	28

C:\Users\Admin\AppData\Local\Temp\1d8b5274e26329f1b5dffbecf3b8b3f4.exe
"C:\Users\Admin\AppData\Local\Temp\1d8b5274e26329f1b5dffbecf3b8b3f4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:772
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:1896

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

C:\Windows\svchest000.exe

Filesize
898KB

MD5
1d8b5274e26329f1b5dffbecf3b8b3f4

SHA1
a6d0a24bd77e98c589efd158831ff05b5864c786

SHA256
6eede7c8af05dd28fe62bec856d7e7a276078e51da48539e083088dfee647d68

SHA512
242f76b538385c435a4ecd8361f11038ebfc9c47da0d55b148bdcc4a42c8f054b15ce1e07151e408cbf817a8abc381dfe6094c00378f538f40f1c2a54bfcb7b8

Download Submit
memory/772-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/772-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/772-15-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1896-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1896-11-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1896-14-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads