asyncrat | 2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b

Analysis

max time kernel
139s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2023 12:47

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General

Target

fd1.exe
Size

649KB
MD5

b9a42052c81229de87b90370c7e8ef56
SHA1

8253ef8fe65f68ea7e0cc11bcdc06ec91c8d3290
SHA256

2799308c4b285f662d2954b3d9900951d74ae0cdde04b80ff865221817103f3b
SHA512

0e6a1b3d66c2401f8b8d5f8b2cae7d4912fa73565faf4c21686caa63a0d81eda952d6070edb57e7577c15c896caff3e52a6671713cfaa13ed21bab7accb86755
SSDEEP

12288:tOSF/ZdMP5WlYj6Fs/HI6C96D7cyTZ33a33S333333dkS9Jy9:tLrMPkDFB6+2NkeO

Score

10^/10

asyncrat default discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Default

5.182.87.154:4449

Mutex

jiqsvporltpvroy

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-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dzodxh = "C:\\Users\\Admin\\AppData\\Roaming\\Dzodxh.exe"	fd1.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2940 set thread context of 5080	2940	fd1.exe	89

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
5080	fd1.exe
5080	fd1.exe
5080	fd1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	fd1.exe
Token: SeDebugPrivilege	5080	fd1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5080	fd1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 5080	2940	fd1.exe	89
PID 2940 wrote to memory of 5080	2940	fd1.exe	89
PID 2940 wrote to memory of 5080	2940	fd1.exe	89
PID 2940 wrote to memory of 5080	2940	fd1.exe	89
PID 2940 wrote to memory of 5080	2940	fd1.exe	89
PID 2940 wrote to memory of 5080	2940	fd1.exe	89

C:\Users\Admin\AppData\Local\Temp\fd1.exe
"C:\Users\Admin\AppData\Local\Temp\fd1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\fd1.exe
  C:\Users\Admin\AppData\Local\Temp\fd1.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\fd1.exe.log

Filesize
1KB

MD5
9f5d0107d96d176b1ffcd5c7e7a42dc9

SHA1
de83788e2f18629555c42a3e6fada12f70457141

SHA256
d0630b8466cebaaf92533826f6547b6f36a3c480848dc38d650acd52b522a097

SHA512
86cfaa3327b59a976ddd4a5915f3fe8c938481344fcbd10e7533b4c5003673d078756e62435940471658a03504c3bc30603204d6a133727a3f36c96d08714c61

Download Submit
memory/2940-4-0x00000249206A0000-0x00000249206B0000-memory.dmp

Filesize
64KB

Download
memory/2940-5-0x0000024907DD0000-0x0000024907E04000-memory.dmp

Filesize
208KB

Download
memory/2940-12-0x00007FFCBC590000-0x00007FFCBD051000-memory.dmp

Filesize
10.8MB

Download
memory/2940-0-0x0000024905F60000-0x0000024906008000-memory.dmp

Filesize
672KB

Download
memory/2940-1-0x0000024907D80000-0x0000024907DCC000-memory.dmp

Filesize
304KB

Download
memory/2940-6-0x00000249204F0000-0x000002492053C000-memory.dmp

Filesize
304KB

Download
memory/2940-2-0x0000024906430000-0x0000024906464000-memory.dmp

Filesize
208KB

Download
memory/2940-3-0x00007FFCBC590000-0x00007FFCBD051000-memory.dmp

Filesize
10.8MB

Download
memory/5080-11-0x00007FFCBC590000-0x00007FFCBD051000-memory.dmp

Filesize
10.8MB

Download
memory/5080-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5080-14-0x000001DDE1480000-0x000001DDE1490000-memory.dmp

Filesize
64KB

Download
memory/5080-15-0x00007FFCDADB0000-0x00007FFCDAFA5000-memory.dmp

Filesize
2.0MB

Download
memory/5080-18-0x000001DDE1480000-0x000001DDE1490000-memory.dmp

Filesize
64KB

Download
memory/5080-20-0x00007FFCBC590000-0x00007FFCBD051000-memory.dmp

Filesize
10.8MB

Download
memory/5080-21-0x000001DDE1480000-0x000001DDE1490000-memory.dmp

Filesize
64KB

Download
memory/5080-22-0x00007FFCDADB0000-0x00007FFCDAFA5000-memory.dmp

Filesize
2.0MB

Download
memory/5080-23-0x000001DDE1480000-0x000001DDE1490000-memory.dmp

Filesize
64KB

Download