asyncrat | 8e761990bd71d47cdb207f1492a9e4ade71ad95c1eaed69a3826e9ee5b74306a

Analysis

max time kernel
135s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
18-07-2024 20:23

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General

Target

2877b836a3bad1cc424de7cc2163ca15.exe
Size

26.0MB
MD5

2877b836a3bad1cc424de7cc2163ca15
SHA1

dc90457ed659c7fc10335fa88cb1721c9dbff997
SHA256

8e761990bd71d47cdb207f1492a9e4ade71ad95c1eaed69a3826e9ee5b74306a
SHA512

36ec4916eb446233c65f37094756af10b4929296e8159022138eca11033ac1325fdc44087206c5bc82207873a0cec9523fc3315164637b268ef9fd07697e1523
SSDEEP

24576:zJjNdtJBrygcVrMvUePvW1O6fNHqJJoMw8clJop3EQ3gOsvS3fvFc:LJpaVrMvUePvWg6tCowLgO8svF

Score

10^/10

asyncrat 17-julio persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

17-Julio

dashboard.dynuddns.com:22077

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-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nuuuio = "C:\\Users\\Admin\\Pictures\\NONOUTUNMMap\\FirefoxUp.exe"	2877b836a3bad1cc424de7cc2163ca15.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 780 set thread context of 3592	780	2877b836a3bad1cc424de7cc2163ca15.exe	94

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3592	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 3592	780	2877b836a3bad1cc424de7cc2163ca15.exe	94
PID 780 wrote to memory of 3592	780	2877b836a3bad1cc424de7cc2163ca15.exe	94
PID 780 wrote to memory of 3592	780	2877b836a3bad1cc424de7cc2163ca15.exe	94
PID 780 wrote to memory of 3592	780	2877b836a3bad1cc424de7cc2163ca15.exe	94
PID 780 wrote to memory of 3592	780	2877b836a3bad1cc424de7cc2163ca15.exe	94

C:\Users\Admin\AppData\Local\Temp\2877b836a3bad1cc424de7cc2163ca15.exe
"C:\Users\Admin\AppData\Local\Temp\2877b836a3bad1cc424de7cc2163ca15.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3592

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/780-6-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/780-4-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/780-3-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/780-2-0x0000000000408000-0x0000000000422000-memory.dmp

Filesize
104KB

Download
memory/780-1-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/780-0-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/3592-8-0x00000000742D0000-0x0000000074A80000-memory.dmp

Filesize
7.7MB

Download
memory/3592-7-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/3592-5-0x0000000001280000-0x0000000001292000-memory.dmp

Filesize
72KB

Download
memory/3592-11-0x0000000006330000-0x00000000063CC000-memory.dmp

Filesize
624KB

Download
memory/3592-12-0x0000000006980000-0x0000000006F24000-memory.dmp

Filesize
5.6MB

Download
memory/3592-13-0x00000000063D0000-0x0000000006436000-memory.dmp

Filesize
408KB

Download
memory/3592-14-0x00000000742D0000-0x0000000074A80000-memory.dmp

Filesize
7.7MB

Download
memory/3592-15-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/3592-16-0x00000000742D0000-0x0000000074A80000-memory.dmp

Filesize
7.7MB

Download
memory/3592-17-0x00000000742D0000-0x0000000074A80000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads