asyncrat | e75f0b253a7a1fbd89b3e4a6d8557bcf82f5ab768daedb3087f76f7df7da96fb

Resubmissions

12-07-2024 05:08

240712-fsxfesscla 10

Analysis

max time kernel
30s
max time network
29s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-07-2024 05:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

teste.exe
Size

45KB
MD5

39fb1441dd20fb5ab770e846469c92be
SHA1

0207009a6763ad9616cf05405fab459ee98239a2
SHA256

e75f0b253a7a1fbd89b3e4a6d8557bcf82f5ab768daedb3087f76f7df7da96fb
SHA512

0f550b604ba4df6f6581a940ddd9bd569d546d2a62559859f56109b4ad33f0785b28f042c9f95f82c8ad001b2114e832939d6e909bd9a42b286f2418e176279d
SSDEEP

768:JuyCNTAoZjRWUJd9bmo2qLNmJ5G61cPInzjbUgX3ijbHHLsvr5BDZmx:JuyCNTAGL2omDDhn3b7XSfH8rndmx

Score

10^/10

asyncrat niggers rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Niggers

Mutex

QbwNF2xUAg1m

Attributes

delay
3
install
false
install_file
updater.exe
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/Hbm5qNCB

aes.plain

Signatures

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

Deletes itself 1 IoCs

pid	Process
2428	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	pastebin.com
3	pastebin.com

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
440	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	teste.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2428	1868	teste.exe	31
PID 1868 wrote to memory of 2428	1868	teste.exe	31
PID 1868 wrote to memory of 2428	1868	teste.exe	31
PID 1868 wrote to memory of 2428	1868	teste.exe	31
PID 2428 wrote to memory of 440	2428	cmd.exe	33
PID 2428 wrote to memory of 440	2428	cmd.exe	33
PID 2428 wrote to memory of 440	2428	cmd.exe	33
PID 2428 wrote to memory of 440	2428	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\teste.exe
"C:\Users\Admin\AppData\Local\Temp\teste.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp6EB7.tmp.bat""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control