asyncrat | eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2024 04:38

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General

Target

eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe
Size

604KB
MD5

7106f8b0e3c1b50ac3c014c01a484f47
SHA1

893e3b52191c93deb48a8fff49b7c92e3e6daf4e
SHA256

eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106
SHA512

5c185a2ce43b9b95ab8f861420347dd7a137d0838a8ce5bee1640e5d60359ad262b3c8bb15465fb432ede5daca6791abc11dcbc906b7a68a5e19e12d02fc2143
SSDEEP

12288:+7kjofC1P7zSh3njLG3KVIvBScz6gAOlkqIq:b1UG3K2wcz6Hikq

Score

10^/10

asyncrat lzmbltrn2 discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7A

Botnet

lzmbltrn2

lzmbltrn24.con-ip.com:6606

Mutex

uuooxuxbnkywum

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3584 set thread context of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94

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	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94
PID 3584 wrote to memory of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94
PID 3584 wrote to memory of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94
PID 3584 wrote to memory of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94
PID 3584 wrote to memory of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94
PID 3584 wrote to memory of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94
PID 3584 wrote to memory of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94
PID 3584 wrote to memory of 788	3584	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	94

C:\Users\Admin\AppData\Local\Temp\eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe
"C:\Users\Admin\AppData\Local\Temp\eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:788

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/788-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/788-18-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/788-17-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/788-15-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/3584-8-0x0000000006100000-0x000000000610C000-memory.dmp

Filesize
48KB

Download
memory/3584-11-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/3584-6-0x00000000077F0000-0x000000000780A000-memory.dmp

Filesize
104KB

Download
memory/3584-7-0x0000000005090000-0x0000000005098000-memory.dmp

Filesize
32KB

Download
memory/3584-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/3584-9-0x00000000062A0000-0x00000000062F4000-memory.dmp

Filesize
336KB

Download
memory/3584-10-0x00000000063B0000-0x000000000644C000-memory.dmp

Filesize
624KB

Download
memory/3584-5-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/3584-12-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/3584-4-0x0000000004E20000-0x0000000004E2A000-memory.dmp

Filesize
40KB

Download
memory/3584-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp

Filesize
584KB

Download
memory/3584-16-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/3584-2-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/3584-1-0x0000000000380000-0x000000000041E000-memory.dmp

Filesize
632KB

Download