291003d022e462dc6ece1e0d6cf6a636520060358683596b71623f1c71a539c3

Analysis

max time kernel
132s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09/02/2023, 04:11

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General

Target

file.exe
Size

1.9MB
MD5

69fcca0d67ac4be82b5eed6ce4f155bc
SHA1

64e0406663e0355b75a29220ee4490fb25725a90
SHA256

291003d022e462dc6ece1e0d6cf6a636520060358683596b71623f1c71a539c3
SHA512

21a3a7ca680adcb17b9fcb5b7b6ca01406d0305048dba6ad4b97f1002f8b3023122c770a76ded66eb37d7d0a1732a90f2ceb0b278e60919525e88523c7aa981c
SSDEEP

49152:6zDL7X+Yep6nskNEUCeneZa6Hy4vn78HQSUkXe:mteApNEdeeZa6dYokO

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
444	ntlhost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	file.exe

GoLang User-Agent 1 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	29	Go-http-client/1.1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 444	3408	file.exe	80
PID 3408 wrote to memory of 444	3408	file.exe	80
PID 3408 wrote to memory of 444	3408	file.exe	80

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
  C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
  2⤵
  - Executes dropped EXE
  PID:444

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:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

Filesize
707.9MB

MD5
e211ff9094d743eb1b831e3f29c08027

SHA1
b42543bad3b093f20b1e330cd2cd21da53d8d599

SHA256
10a48de7f44fdb66722ae028ba2e47840bb96e014788b191e8e9a8ce3d442d66

SHA512
4296e82f6e91c9b96158cf6c9bb9970d4ae6a4246cbe3a2f1a8668ffc467489d56122f2ea987b3f35116497f41e253caef24585323cd33f24439b2af72424e28

Download Submit
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

Filesize
707.9MB

MD5
e211ff9094d743eb1b831e3f29c08027

SHA1
b42543bad3b093f20b1e330cd2cd21da53d8d599

SHA256
10a48de7f44fdb66722ae028ba2e47840bb96e014788b191e8e9a8ce3d442d66

SHA512
4296e82f6e91c9b96158cf6c9bb9970d4ae6a4246cbe3a2f1a8668ffc467489d56122f2ea987b3f35116497f41e253caef24585323cd33f24439b2af72424e28

Download Submit
memory/444-140-0x000000000255D000-0x0000000002707000-memory.dmp

Filesize
1.7MB

Download
memory/444-141-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/444-142-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/3408-132-0x00000000025FA000-0x00000000027A4000-memory.dmp

Filesize
1.7MB

Download
memory/3408-133-0x00000000027D0000-0x0000000002BA0000-memory.dmp

Filesize
3.8MB

Download
memory/3408-134-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/3408-135-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/3408-139-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download