asyncrat | dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461

General

Target

dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe
Size

503KB
MD5

b41bf2658e924e0ede6906f35759e28d
SHA1

44a3666f49f49bda109a9c6fc0969698668d3789
SHA256

dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461
SHA512

258828419fbac1282f734b1d29e47c0ff6a38a7c164cb3b579dbc4c43deb79e87503c1bedd99e04ce7fdfe04bdff92ba8f75aa3b95ce505489cc08eabbbef917
SSDEEP

12288:KYRxA4Y5lyA/BxSPC8a1iSN8PppYLJRbPoiNMirHoQtqgjfmHcP9:FRi1iSN0YLHwHgHhdjKc1

Score

10^/10

asyncrat coke discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

COKE

C2

quin.ydns.eu:1962

quin.ydns.eu:1940

185.38.142.240:1962

185.38.142.240:1940

Mutex

dLOEY8XRq1oB

Attributes

delay
3
install
false
install_file
windowsBook.exe
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 2324 set thread context of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.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	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1664	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31
PID 2324 wrote to memory of 1664	2324	dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe	31

C:\Users\Admin\AppData\Local\Temp\dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe
"C:\Users\Admin\AppData\Local\Temp\dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe
  "C:\Users\Admin\AppData\Local\Temp\dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab2290.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1664-22-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/1664-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1664-42-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/1664-41-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/1664-24-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/1664-21-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1664-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1664-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1664-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1664-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1664-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1664-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2324-6-0x0000000000D00000-0x0000000000D56000-memory.dmp

Filesize
344KB

Download
memory/2324-2-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2324-0-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/2324-23-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2324-5-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2324-1-0x00000000012D0000-0x0000000001354000-memory.dmp

Filesize
528KB

Download
memory/2324-4-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/2324-3-0x00000000004E0000-0x00000000004FA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing