asyncrat | f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 22:10

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General

Target

f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe
Size

198KB
MD5

70c1d5995250531aa6424855ccedab50
SHA1

298289d4dff379409672e646b3cdd2b8672fe491
SHA256

f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f
SHA512

a978d3e4da9a8a571bea71866f9642947ac20466279f08b7dd16082ad41722a4f312e8442dd2e5df13fff749b75c16b5541d6b472d6bfeb3956a3d20fe12c81a
SSDEEP

3072:GZxOh04NBEUvgRvI+yh5pbX7S+t4Cekw3nSGsQ8c4IgzW8L7hdpQ:GjwPNBEsUZyvtX7S+CV3S4ay8L7hg

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

192.168.1.104:8848

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
Asyncrat family
asyncrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1464 set thread context of 4876	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 4876	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe	83
PID 1464 wrote to memory of 4876	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe	83
PID 1464 wrote to memory of 4876	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe	83
PID 1464 wrote to memory of 4876	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe	83
PID 1464 wrote to memory of 4876	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe	83
PID 1464 wrote to memory of 4876	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe	83
PID 1464 wrote to memory of 4876	1464	f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe	83

C:\Users\Admin\AppData\Local\Temp\f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe
"C:\Users\Admin\AppData\Local\Temp\f14b7f876ecb5bacc5120e1668553999859ebffa1ac170f41534bc57b81ed56f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1464-0-0x00007FFECF023000-0x00007FFECF025000-memory.dmp

Filesize
8KB

Download
memory/1464-1-0x0000026B27C80000-0x0000026B27CB4000-memory.dmp

Filesize
208KB

Download
memory/1464-2-0x00007FFECF020000-0x00007FFECFAE1000-memory.dmp

Filesize
10.8MB

Download
memory/1464-5-0x00007FFECF020000-0x00007FFECFAE1000-memory.dmp

Filesize
10.8MB

Download
memory/4876-3-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4876-6-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/4876-7-0x0000000000750000-0x0000000000790000-memory.dmp

Filesize
256KB

Download
memory/4876-8-0x0000000005090000-0x00000000050AA000-memory.dmp

Filesize
104KB

Download
memory/4876-9-0x0000000005260000-0x00000000053BA000-memory.dmp

Filesize
1.4MB

Download
memory/4876-11-0x0000000074E10000-0x00000000755C0000-memory.dmp

Filesize
7.7MB

Download
memory/4876-12-0x0000000074E10000-0x00000000755C0000-memory.dmp

Filesize
7.7MB

Download