asyncrat | c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728

Analysis

max time kernel
146s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 03:18

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General

Target

c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe
Size

1.3MB
MD5

7f951c4f31319daee4a1f1ece60e5e6b
SHA1

044d20440b4931fd9d357ea8a43f8ff047ebab5d
SHA256

c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728
SHA512

a87acb49cd46ae47ee1bfa6a2dc554240cdc3e55ec625f3b37df3569740565573f433dd8bdd63c578ddfe6563ee44b4f0b71c8524ac628313e733c147e86c5e0
SSDEEP

24576:Yj5zD+Z0RKwDkheamIcjLwRqFazNBJvGKb6NUzP3olmc/nthbgRKlO:Yj5PrRZRsRqMPJvGKb6NUzvsfbjA

Score

10^/10

asyncrat segundo discovery rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

segundo

formationslistcomplet2.sexidude.com:3056

Mutex

ibsdlcboijedubuheubueyd

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 856 set thread context of 2440	856	c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe	31

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	c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 2440	856	c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe	31
PID 856 wrote to memory of 2440	856	c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe	31
PID 856 wrote to memory of 2440	856	c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe	31
PID 856 wrote to memory of 2440	856	c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe	31
PID 856 wrote to memory of 2440	856	c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe	31
PID 856 wrote to memory of 2440	856	c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe	31

C:\Users\Admin\AppData\Local\Temp\c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe
"C:\Users\Admin\AppData\Local\Temp\c7a46fb4e1691e3b8712cb595bc25672dfb77570166cc2d2cba02cf2f9e7b728.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2440

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/856-17-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/856-5-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/856-1-0x000000000045D000-0x0000000000476000-memory.dmp

Filesize
100KB

Download
memory/856-4-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/856-16-0x000000000045D000-0x0000000000476000-memory.dmp

Filesize
100KB

Download
memory/856-6-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/856-10-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/856-0-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/856-2-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/2440-15-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2440-18-0x0000000073B9E000-0x0000000073B9F000-memory.dmp

Filesize
4KB

Download
memory/2440-13-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2440-9-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2440-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2440-7-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2440-19-0x0000000073B90000-0x000000007427E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-20-0x0000000073B90000-0x000000007427E000-memory.dmp

Filesize
6.9MB

Download