31238cb3888840bd69869bb53ab1188043f2799225423f670daeeaafb1466228

Analysis

max time kernel
142s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 05:12

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General

Target

29820a8b2a993ac010e1e9b0bf6dbc9f.exe
Size

27KB
MD5

29820a8b2a993ac010e1e9b0bf6dbc9f
SHA1

22966700d03bbab7c22285ce31d8c67e67379b42
SHA256

31238cb3888840bd69869bb53ab1188043f2799225423f670daeeaafb1466228
SHA512

21f6b95e1dc2dd69fdcd907f2d16f73f87a75859b2185095f60ae642c62bab7a3f6ed7fbb6b0c19fa19535d8bacf840aca3a9395624b9ba6bd5a5e9016b4710b
SSDEEP

768:yD7YnnG1l4QYyPxSd0hH69N6QoKZniMp7jS:yYGDHYyJSCaCQhZiqfS

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3000	svhost.exe

Loads dropped DLL 2 IoCs

pid	Process
2976	29820a8b2a993ac010e1e9b0bf6dbc9f.exe
2976	29820a8b2a993ac010e1e9b0bf6dbc9f.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2976-0-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/3000-11-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2976-9-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/files/0x000d00000001232b-7.dat	upx
behavioral1/files/0x000d00000001232b-2.dat	upx
behavioral1/memory/3000-12-0x0000000000400000-0x0000000000413000-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\.mscsbl = "C:\\Windows\\system\\svhost.exe"	29820a8b2a993ac010e1e9b0bf6dbc9f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\svhost.exe	29820a8b2a993ac010e1e9b0bf6dbc9f.exe
File opened for modification	C:\Windows\system\svhost.exe	29820a8b2a993ac010e1e9b0bf6dbc9f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 3000	2976	29820a8b2a993ac010e1e9b0bf6dbc9f.exe	28
PID 2976 wrote to memory of 3000	2976	29820a8b2a993ac010e1e9b0bf6dbc9f.exe	28
PID 2976 wrote to memory of 3000	2976	29820a8b2a993ac010e1e9b0bf6dbc9f.exe	28
PID 2976 wrote to memory of 3000	2976	29820a8b2a993ac010e1e9b0bf6dbc9f.exe	28

C:\Users\Admin\AppData\Local\Temp\29820a8b2a993ac010e1e9b0bf6dbc9f.exe
"C:\Users\Admin\AppData\Local\Temp\29820a8b2a993ac010e1e9b0bf6dbc9f.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\system\svhost.exe
  C:\Windows\system\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:3000

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

\Windows\system\svhost.exe

Filesize
27KB

MD5
29820a8b2a993ac010e1e9b0bf6dbc9f

SHA1
22966700d03bbab7c22285ce31d8c67e67379b42

SHA256
31238cb3888840bd69869bb53ab1188043f2799225423f670daeeaafb1466228

SHA512
21f6b95e1dc2dd69fdcd907f2d16f73f87a75859b2185095f60ae642c62bab7a3f6ed7fbb6b0c19fa19535d8bacf840aca3a9395624b9ba6bd5a5e9016b4710b

Download Submit
memory/2976-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2976-10-0x0000000000430000-0x0000000000443000-memory.dmp

Filesize
76KB

Download
memory/2976-9-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3000-11-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3000-12-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads