asyncrat | 53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346

General

Target

53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
Size

1.1MB
MD5

689ed905b8ca6bf1692fed19f2ab8487
SHA1

c7330fa14d2a5aa5161edc8b3e33ae5e362edb07
SHA256

53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346
SHA512

ef124ce31dda75e708396bb0a3ac6b166a2ea8a160dd09832a4f5cd55a78f61b40b7d0b0ef3d9181efddc33e26cc8ba88397ca95785e843ea392852d90d25cbb
SSDEEP

12288:l5VPG1/BPyf13SFyIz8VOHarASSMCFFr0mWWaos2Zv6xKheSuezx/bVGpb:lm3Pyf13WyOSSMyp08aozyxKhe

Score

10^/10

asyncrat discovery rat

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5112 set thread context of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87

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	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
Token: SeDebugPrivilege	1560	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 4836	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	86
PID 5112 wrote to memory of 4836	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	86
PID 5112 wrote to memory of 4836	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	86
PID 5112 wrote to memory of 4836	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	86
PID 5112 wrote to memory of 4836	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	86
PID 5112 wrote to memory of 4836	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	86
PID 5112 wrote to memory of 4836	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	86
PID 5112 wrote to memory of 4836	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	86
PID 5112 wrote to memory of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87
PID 5112 wrote to memory of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87
PID 5112 wrote to memory of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87
PID 5112 wrote to memory of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87
PID 5112 wrote to memory of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87
PID 5112 wrote to memory of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87
PID 5112 wrote to memory of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87
PID 5112 wrote to memory of 1560	5112	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	87

C:\Users\Admin\AppData\Local\Temp\53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
"C:\Users\Admin\AppData\Local\Temp\53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:4836
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1560

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

Loading Replay Monitor...

Downloads

memory/1560-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1560-20-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/1560-19-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/1560-18-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/1560-16-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5112-5-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5112-12-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5112-7-0x0000000005BC0000-0x0000000005BCA000-memory.dmp

Filesize
40KB

Download
memory/5112-8-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5112-9-0x0000000005EC0000-0x0000000005EDA000-memory.dmp

Filesize
104KB

Download
memory/5112-10-0x0000000006DD0000-0x0000000006DD6000-memory.dmp

Filesize
24KB

Download
memory/5112-11-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/5112-6-0x0000000005EE0000-0x0000000006484000-memory.dmp

Filesize
5.6MB

Download
memory/5112-13-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5112-0-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/5112-4-0x00000000054A0000-0x00000000054E4000-memory.dmp

Filesize
272KB

Download
memory/5112-3-0x00000000055E0000-0x000000000567C000-memory.dmp

Filesize
624KB

Download
memory/5112-17-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5112-2-0x0000000005540000-0x00000000055D2000-memory.dmp

Filesize
584KB

Download
memory/5112-1-0x00000000005A0000-0x00000000006C8000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing