asyncrat | da16702dc5e290b319ebf8238515929fe56744ed0c8164460048674e279b83d2

General

Target

New PO_100955.exe
Size

717KB
MD5

db88d5ff560d97cb027632956ca9055b
SHA1

3eb93351bbd5c674202404c45fc8ba0b3d3c39c7
SHA256

1d1c7e4441d356fd59afca292924b34f4b18867aca7d5892210f2d997753c190
SHA512

7bc21018a82ab296cb43dab2d4e98411997ef7cad55c66dfc9b7f02e328e7deb730b1da8a83cbeb122a6b438f078abc9229a9779deb96ffff31e8721c7cf9351
SSDEEP

12288:xYbyAIjpRr+jjuMBBsV4vSVBXggZMXPUIX7Q/+hGZcS:xYeAIjIlBs4abXbZMXpX8/+hGZ5

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

severdops.ddns.net:6204

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
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 3044 set thread context of 2592	3044	New PO_100955.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3044	New PO_100955.exe
3044	New PO_100955.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	New PO_100955.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2892	3044	New PO_100955.exe	30
PID 3044 wrote to memory of 2892	3044	New PO_100955.exe	30
PID 3044 wrote to memory of 2892	3044	New PO_100955.exe	30
PID 3044 wrote to memory of 2892	3044	New PO_100955.exe	30
PID 3044 wrote to memory of 2336	3044	New PO_100955.exe	32
PID 3044 wrote to memory of 2336	3044	New PO_100955.exe	32
PID 3044 wrote to memory of 2336	3044	New PO_100955.exe	32
PID 3044 wrote to memory of 2336	3044	New PO_100955.exe	32
PID 3044 wrote to memory of 1632	3044	New PO_100955.exe	33
PID 3044 wrote to memory of 1632	3044	New PO_100955.exe	33
PID 3044 wrote to memory of 1632	3044	New PO_100955.exe	33
PID 3044 wrote to memory of 1632	3044	New PO_100955.exe	33
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34
PID 3044 wrote to memory of 2592	3044	New PO_100955.exe	34

C:\Users\Admin\AppData\Local\Temp\New PO_100955.exe
"C:\Users\Admin\AppData\Local\Temp\New PO_100955.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UfTHdexr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD04.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2892
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFD04.tmp

Filesize
1KB

MD5
ec163e97ad0fdb80c1528764b25744e8

SHA1
6c0d10e68a7042dd7b17fe060d4c90d115c0499a

SHA256
89cf7254cf57eb3cc6c0ce243a5fd26d8bd53ed57052106f3007352d48d7314b

SHA512
4df78d0bcb6c004b072e5298a00edd54afa1ce736a3a14cfad4c9fc2e01e053714ae4c0e6303ab4f21eb00913eb270178f3dc17413f008f4a841e4c763b9db36

Download Submit
memory/2592-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2592-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2592-22-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2592-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2592-17-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2592-24-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2592-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2592-25-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3044-6-0x0000000004800000-0x0000000004840000-memory.dmp

Filesize
256KB

Download
memory/3044-0-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/3044-4-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/3044-3-0x0000000000600000-0x000000000060A000-memory.dmp

Filesize
40KB

Download
memory/3044-1-0x0000000000A20000-0x0000000000ADA000-memory.dmp

Filesize
744KB

Download
memory/3044-23-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/3044-2-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/3044-5-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads