asyncrat | 718a7b49deeaecfbf9d66584366dfeeec6beb570eeff50aae0149d33654ba73d

Analysis

max time kernel
121s
max time network
210s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 09:09

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General

Target

Admisorio N° 3791594003-2024.exe
Size

1.4MB
MD5

cd816b257768edfcc207c46560dc848d
SHA1

fbf28fbf3371f8ba318d2ace74249bd399a1517a
SHA256

3ea300295c8dea1b8fc3cae09ae34ce41b82f4968487c626765bddc62a2bcc3a
SHA512

7f4d283c7916535d5bfd27e0ec71093625562053ffae5edbae84a8c67f5b8c134a17385f8ddd6ccf3d25466d76fd6bbf94669b6ee1692df9c52f5ef8bcff8631
SSDEEP

24576:8F1LXN0h9W02JhZIdcZrH8r/cw/H5sa1viJL:A1xS9R0Z4iW2

Score

10^/10

asyncrat dic03 discovery rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

DIC03

fgtryuioiewq.duckdns.org:8010

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 2580 set thread context of 2388	2580	Admisorio N° 3791594003-2024.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	Admisorio N° 3791594003-2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2388	2580	Admisorio N° 3791594003-2024.exe	31
PID 2580 wrote to memory of 2388	2580	Admisorio N° 3791594003-2024.exe	31
PID 2580 wrote to memory of 2388	2580	Admisorio N° 3791594003-2024.exe	31
PID 2580 wrote to memory of 2388	2580	Admisorio N° 3791594003-2024.exe	31
PID 2580 wrote to memory of 2388	2580	Admisorio N° 3791594003-2024.exe	31
PID 2580 wrote to memory of 2388	2580	Admisorio N° 3791594003-2024.exe	31

C:\Users\Admin\AppData\Local\Temp\Admisorio N° 3791594003-2024.exe
"C:\Users\Admin\AppData\Local\Temp\Admisorio N° 3791594003-2024.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- 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
  - Suspicious use of AdjustPrivilegeToken
  PID:2388

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

C:\Users\Admin\AppData\Local\Temp\CabDF69.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2388-15-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2388-39-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/2388-38-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/2388-21-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/2388-7-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2388-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2388-10-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2388-20-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/2388-13-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2580-18-0x0000000000400000-0x0000000000567000-memory.dmp

Filesize
1.4MB

Download
memory/2580-17-0x00000000004F3000-0x0000000000502000-memory.dmp

Filesize
60KB

Download
memory/2580-0-0x0000000000400000-0x0000000000567000-memory.dmp

Filesize
1.4MB

Download
memory/2580-19-0x0000000000400000-0x0000000000567000-memory.dmp

Filesize
1.4MB

Download
memory/2580-6-0x0000000000400000-0x0000000000567000-memory.dmp

Filesize
1.4MB

Download
memory/2580-11-0x0000000000400000-0x0000000000567000-memory.dmp

Filesize
1.4MB

Download
memory/2580-5-0x0000000000400000-0x0000000000567000-memory.dmp

Filesize
1.4MB

Download
memory/2580-4-0x0000000000400000-0x0000000000567000-memory.dmp

Filesize
1.4MB

Download
memory/2580-1-0x00000000004F3000-0x0000000000502000-memory.dmp

Filesize
60KB

Download
memory/2580-2-0x0000000000400000-0x0000000000567000-memory.dmp

Filesize
1.4MB

Download