asyncrat | 8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6

Analysis

max time kernel
140s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 09:08

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General

Target

8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
Size

1.7MB
MD5

3636356055e3b0150aea99cea57ce9cf
SHA1

9f2f87b78a3ed70fa36b27af0f99530e853f3826
SHA256

8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6
SHA512

ae7efdf8ad12bbf97a1d6aec4554ea4674b5ae8c92f506f88c1cd577672f42318d108bee12a186c98947a2e96b67860dddfd08056cad743672e3e30b92516cad
SSDEEP

24576:eATKuetagT4lr9DtM8YHQBa56e0/ihJPD0+JXx/YtYBvtPzB2fieINXld/rcG/Xc:e+KNzCa56eOihBZiYB1/NXl5rc/

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

143.198.82.194:8808

Mutex

wfi0IhSI9Rqa

Attributes

delay
3
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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2116-7-0x0000000000880000-0x0000000000892000-memory.dmp	family_asyncrat

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	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 332	2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe	31
PID 2116 wrote to memory of 332	2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe	31
PID 2116 wrote to memory of 332	2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe	31
PID 2116 wrote to memory of 332	2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe	31
PID 2116 wrote to memory of 332	2116	8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe	31

C:\Users\Admin\AppData\Local\Temp\8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe
"C:\Users\Admin\AppData\Local\Temp\8995fc373f177a6073c781c05a823210059e5e9d416dcaf9f2d967e71ccab2a6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\System32\svchost.exe
  2⤵
  PID:332

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

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Downloads

memory/332-1-0x0000000000080000-0x0000000000094000-memory.dmp

Filesize
80KB

Download
memory/332-2-0x0000000000080000-0x0000000000094000-memory.dmp

Filesize
80KB

Download
memory/2116-0-0x0000000077410000-0x00000000774E6000-memory.dmp

Filesize
856KB

Download
memory/2116-3-0x00000000000B0000-0x00000000000C4000-memory.dmp

Filesize
80KB

Download
memory/2116-6-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2116-7-0x0000000000880000-0x0000000000892000-memory.dmp

Filesize
72KB

Download
memory/2116-8-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-9-0x0000000077410000-0x00000000774E6000-memory.dmp

Filesize
856KB

Download
memory/2116-10-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2116-11-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-12-0x0000000000E80000-0x0000000001040000-memory.dmp

Filesize
1.8MB

Download