asyncrat | 586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0

General

Target

586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe
Size

3.6MB
MD5

0be22ec6371b90546836caa3b3990dbd
SHA1

024a3e12c248cb1912bfcd6cbf0d8e5eed1e77e8
SHA256

586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0
SHA512

ad783038ee12bd20873cc2deee410d114c30c7da11e720e79007aa9373ae0ed459759f82c8e2ebcf13548f6aac4fc2234ee89b57b35a16ec488aace87c4316a3
SSDEEP

49152:7EA9P+bz2cHPcUb6HSb4SOEMkBeH7nQckO6bAB7jdTVeLX3338x:/92bz2Eb6pd7B6bAB7+LX3332

Score

10^/10

asyncrat default discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

septiembre13.con-ip.com:2727

Mutex

DcRatMutex_qwqdanchun

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\AdvancedUpdater = "C:\\Users\\Admin\\Pictures\\TermianlConsole\\TerminalIll.exe"	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2072	2116	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.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	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2072	2116	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe	29
PID 2116 wrote to memory of 2072	2116	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe	29
PID 2116 wrote to memory of 2072	2116	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe	29
PID 2116 wrote to memory of 2072	2116	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe	29
PID 2116 wrote to memory of 2072	2116	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe	29
PID 2116 wrote to memory of 2072	2116	586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe	29

C:\Users\Admin\AppData\Local\Temp\586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe
"C:\Users\Admin\AppData\Local\Temp\586e3716114e7ad01d36785d3560c2c0ff95e79d123298a027de9a92b45a0af0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

C:\Users\Admin\AppData\Local\Temp\Cab3E2B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2072-19-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2072-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2072-39-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2072-13-0x00000000000C0000-0x00000000000D2000-memory.dmp

Filesize
72KB

Download
memory/2072-38-0x000000007410E000-0x000000007410F000-memory.dmp

Filesize
4KB

Download
memory/2072-18-0x000000007410E000-0x000000007410F000-memory.dmp

Filesize
4KB

Download
memory/2072-10-0x00000000000C0000-0x00000000000D2000-memory.dmp

Filesize
72KB

Download
memory/2072-15-0x00000000000C0000-0x00000000000D2000-memory.dmp

Filesize
72KB

Download
memory/2072-8-0x00000000000C0000-0x00000000000D2000-memory.dmp

Filesize
72KB

Download
memory/2116-7-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2116-5-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2116-11-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2116-1-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2116-17-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2116-0-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2116-21-0x000000000064D000-0x0000000000665000-memory.dmp

Filesize
96KB

Download
memory/2116-2-0x000000000064D000-0x0000000000665000-memory.dmp

Filesize
96KB

Download
memory/2116-6-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2116-3-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads