asyncrat | 4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454

Analysis

max time kernel
114s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 02:34 UTC

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General

Target

4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe
Size

64KB
MD5

254a11f9d435208efa20459c281ed8c2
SHA1

895bc765576d8c9d6f45a0076ebf4bbc82819c23
SHA256

4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454
SHA512

8efa0cb8fd0c3b56f83d7204651fd9db9e706010ad3debddffe83d3e01355379add35267aa27fdba766b07270a3925cf981c56ecac4cc429c1008618958ff0a2
SSDEEP

1536:LAnX35lynODDRtC8fJcXT0/iBlYqbVPP5feFGckOggakAX7tj:05COXmYJcXYalYUH5GFIOHAX7tj

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

oeSQUd5RFk09

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

1
3O0yLPcwfmSktiOQuS55exOb7X09V1X5

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 2384 set thread context of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89

System Location Discovery: System Language Discovery 1 TTPs 2 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	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	556	RegAsm.exe
Token: SeDebugPrivilege	556	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89
PID 2384 wrote to memory of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89
PID 2384 wrote to memory of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89
PID 2384 wrote to memory of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89
PID 2384 wrote to memory of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89
PID 2384 wrote to memory of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89
PID 2384 wrote to memory of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89
PID 2384 wrote to memory of 556	2384	4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe	89

C:\Users\Admin\AppData\Local\Temp\4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe
"C:\Users\Admin\AppData\Local\Temp\4173877efb088a4c67894f89c2c572611f5336923e9719fd8a0b06adad909454.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:556

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

228.249.119.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

228.249.119.40.in-addr.arpa

IN PTR

Response
DNS

60.153.16.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

60.153.16.2.in-addr.arpa

IN PTR

Response

60.153.16.2.in-addr.arpa

IN PTR

a2-16-153-60deploystaticakamaitechnologiescom
DNS

73.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.31.126.40.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

196.249.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

196.249.167.52.in-addr.arpa

IN PTR

Response
DNS

53.210.109.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

53.210.109.20.in-addr.arpa

IN PTR

Response
DNS

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
DNS

98.117.19.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

98.117.19.2.in-addr.arpa

IN PTR

Response

98.117.19.2.in-addr.arpa

IN PTR

a2-19-117-98deploystaticakamaitechnologiescom
DNS

172.214.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.214.232.199.in-addr.arpa

IN PTR

Response
DNS

19.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

19.229.111.52.in-addr.arpa

IN PTR

Response

127.0.0.1:6606

RegAsm.exe
127.0.0.1:6606

RegAsm.exe
127.0.0.1:8808

RegAsm.exe
127.0.0.1:6606

RegAsm.exe
127.0.0.1:8808

RegAsm.exe
127.0.0.1:7707

RegAsm.exe
127.0.0.1:8808

RegAsm.exe
127.0.0.1:8808

RegAsm.exe
127.0.0.1:6606

RegAsm.exe
127.0.0.1:6606

RegAsm.exe
127.0.0.1:6606

RegAsm.exe
127.0.0.1:8808

RegAsm.exe
127.0.0.1:6606

RegAsm.exe

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

228.249.119.40.in-addr.arpa

dns

73 B
159 B
1
1

DNS Request

228.249.119.40.in-addr.arpa
8.8.8.8:53

60.153.16.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

60.153.16.2.in-addr.arpa
8.8.8.8:53

73.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

73.31.126.40.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

196.249.167.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

196.249.167.52.in-addr.arpa
8.8.8.8:53

53.210.109.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

53.210.109.20.in-addr.arpa
8.8.8.8:53

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.in-addr.arpa
8.8.8.8:53

98.117.19.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

98.117.19.2.in-addr.arpa
8.8.8.8:53

172.214.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.214.232.199.in-addr.arpa
8.8.8.8:53

19.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

19.229.111.52.in-addr.arpa

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

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Downloads

memory/556-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/556-19-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/556-18-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/556-17-0x0000000005570000-0x000000000560C000-memory.dmp

Filesize
624KB

Download
memory/556-16-0x00000000050E0000-0x0000000005146000-memory.dmp

Filesize
408KB

Download
memory/556-15-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/556-14-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-8-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-0-0x000000007531E000-0x000000007531F000-memory.dmp

Filesize
4KB

Download
memory/2384-9-0x00000000054A0000-0x00000000054B4000-memory.dmp

Filesize
80KB

Download
memory/2384-10-0x0000000005630000-0x000000000564E000-memory.dmp

Filesize
120KB

Download
memory/2384-7-0x000000007531E000-0x000000007531F000-memory.dmp

Filesize
4KB

Download
memory/2384-13-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-6-0x00000000055B0000-0x0000000005626000-memory.dmp

Filesize
472KB

Download
memory/2384-5-0x00000000054B0000-0x00000000054BA000-memory.dmp

Filesize
40KB

Download
memory/2384-4-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/2384-2-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/2384-1-0x00000000008F0000-0x0000000000906000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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