asyncrat | 290ed573c3be19bb9f7a4503d9ce1cc95d33191c6078d127cceabd63a7e98a3b

General

Target

Xeron_Scan17022020.exe
Size

380KB
MD5

a52d0c834a09cc7efdfe374ee2f4f90e
SHA1

5957da57c40aef542a52d07df04501f74b631bdb
SHA256

aaf00e1348307208d3415f629193cdf125171170a32a8cdeb140e8373d079714
SHA512

e99e1429dcac7398473cecb4a63cce2ac1b0bccb2f4dd284e38c1ca16dac21d0d6552c886604c87fe79590274ea821734faf874639f873883a75e0d4d5a247e8
SSDEEP

6144:hBUl1fcf0Tv2sbP6mSPmFFLmlrqQroarJ0zUWZyzhX:Q79vnz6mSQYxkarJaZyzh

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 2552 set thread context of 2632	2552	Xeron_Scan17022020.exe	33

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
2668	schtasks.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2668	2552	Xeron_Scan17022020.exe	31
PID 2552 wrote to memory of 2668	2552	Xeron_Scan17022020.exe	31
PID 2552 wrote to memory of 2668	2552	Xeron_Scan17022020.exe	31
PID 2552 wrote to memory of 2668	2552	Xeron_Scan17022020.exe	31
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33
PID 2552 wrote to memory of 2632	2552	Xeron_Scan17022020.exe	33

C:\Users\Admin\AppData\Local\Temp\Xeron_Scan17022020.exe
"C:\Users\Admin\AppData\Local\Temp\Xeron_Scan17022020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eKLGqzBRYkTEB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21B4.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2668
- C:\Users\Admin\AppData\Local\Temp\Xeron_Scan17022020.exe
  "C:\Users\Admin\AppData\Local\Temp\Xeron_Scan17022020.exe"
  2⤵
  PID:2632

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp21B4.tmp

Filesize
1KB

MD5
d36c00f6191d8bd1460034b0c3a0e373

SHA1
ce899726dfb7f0b2b0d2b25bb68f16727ef31a34

SHA256
8f5b992aad090da7f458f5558fac6bc0ab6748e244b4750b5bcac3ecbf0a3b5f

SHA512
852568fd6e89715640beb80bb421a498fe12cd67b0f1a6f3e2b98cd6051d6c20a7cbb8adfe098cb02b47adc76ffbdad24d3193a93b6fbd97d6084deae5c34ba6

Download Submit
memory/2552-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/2552-1-0x0000000000C60000-0x0000000000CC4000-memory.dmp

Filesize
400KB

Download
memory/2552-2-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2552-3-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2552-4-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/2552-5-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2552-6-0x0000000004B40000-0x0000000004B80000-memory.dmp

Filesize
256KB

Download
memory/2552-24-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2632-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2632-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2632-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2632-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2632-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2632-25-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-23-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2632-26-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-27-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-28-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads