57fc6db0df25bde1c562461f02760e9431fa3ed31212406313458a8392dc6859

Analysis

max time kernel
300s
max time network
305s
platform
windows10-2004_x64
resource
win10v2004-20240802-es
resource tags

arch:x64arch:x86image:win10v2004-20240802-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
25/08/2024, 17:48

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General

Target

File.exe
Size

780.0MB
MD5

4fdc988b81c5abf8eef7f40b65ca39d7
SHA1

55104a5975aefd3c0bf1018947286aff9e079eed
SHA256

0517c0966212689dd31096eae261fd6014e495c43d91fa2df72eb989ff3bd00b
SHA512

24d2186164c8bbc3bd28de17974ae64b68b7c7baef16abdfd18c1a47dc987ffc62c9c7294202cec87564ccb0a6ef5201efa244873cebb4f5d55e979c5853143a
SSDEEP

196608:mvH83m8Nq9jzrGpdg47mWrB0W//nO6UOO:mkW8QjGwSmWKWnOO

Score

6^/10

discovery

Malware Config

Signatures

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
24	api.myip.com
25	api.myip.com
26	ipinfo.io
27	ipinfo.io

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3572 set thread context of 2396	3572	File.exe	91

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	File.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91
PID 3572 wrote to memory of 2396	3572	File.exe	91

C:\Users\Admin\AppData\Local\Temp\File.exe
"C:\Users\Admin\AppData\Local\Temp\File.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2396-7-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/2396-12-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/2396-10-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/2396-9-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/3572-0-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/3572-1-0x00000000009A0000-0x0000000001232000-memory.dmp

Filesize
8.6MB

Download
memory/3572-2-0x0000000005C00000-0x0000000005C9C000-memory.dmp

Filesize
624KB

Download
memory/3572-3-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3572-4-0x0000000005DA0000-0x00000000060D0000-memory.dmp

Filesize
3.2MB

Download
memory/3572-5-0x0000000007200000-0x0000000007528000-memory.dmp

Filesize
3.2MB

Download
memory/3572-6-0x00000000033B0000-0x00000000033D2000-memory.dmp

Filesize
136KB

Download
memory/3572-13-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download