asyncrat | eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106

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

C2

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 2872 set thread context of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2640	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	28
PID 2872 wrote to memory of 2640	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	28
PID 2872 wrote to memory of 2640	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	28
PID 2872 wrote to memory of 2640	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	28
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29
PID 2872 wrote to memory of 2628	2872	eeefe9ece30cb5611a3a5cbf4757118a9347af52bcef9cf50e7646869acd1106.exe	29

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2640
- 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:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2628-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2628-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2628-22-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2628-17-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2628-26-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2628-25-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2628-10-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2628-23-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2628-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2628-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2872-6-0x0000000001200000-0x0000000001254000-memory.dmp

Filesize
336KB

Download
memory/2872-3-0x00000000005A0000-0x00000000005BA000-memory.dmp

Filesize
104KB

Download
memory/2872-4-0x00000000003A0000-0x00000000003A8000-memory.dmp

Filesize
32KB

Download
memory/2872-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2872-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2872-8-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2872-7-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2872-24-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2872-1-0x0000000001270000-0x000000000130E000-memory.dmp

Filesize
632KB

Download
memory/2872-5-0x0000000000560000-0x000000000056C000-memory.dmp

Filesize
48KB

Download

Analysis

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