asyncrat | c020c7936719d18af0c8140f8b67a9c80740d793d2a928986ca7671f7af1c1f9

General

Target

hsbc_mt103.exe
Size

766KB
MD5

d8f7a8dbe9c0a94e1cd735531f97c06f
SHA1

5b47aa4c977edd0543a362361cd5cadfb74d719d
SHA256

c29f0b3c22887b82a623a2c21c6968aa0b7b7046eeae09f83966685c6564a178
SHA512

d981450aa5520f488b55561bb4cad75aad51bbf526fb472fdb9004f8cc4e04d276d7ec32c90342bc1fb655d9a4d38ffbdf9c15a1da5d726f3b6d6d9cfb417d69
SSDEEP

6144:bUZvP6UqKyIX58C9p/Mh2fLPpfP++3ysS8schliR0VT+c:FUryIpv5McfLPVPlCsSRch8R0VT+

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

45.137.22.115:14496

Mutex

AsyncMutex_6SI8OkPnk

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

hsbc_mt103.exe

description	pid	Process	procid_target
PID 2484 set thread context of 2732	2484	hsbc_mt103.exe	32

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

Processes:

hsbc_mt103.exeRegSvcs.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hsbc_mt103.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

hsbc_mt103.exe

pid	Process
2484	hsbc_mt103.exe
2484	hsbc_mt103.exe
2484	hsbc_mt103.exe
2484	hsbc_mt103.exe
2484	hsbc_mt103.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hsbc_mt103.exe

description	pid	Process
Token: SeDebugPrivilege	2484	hsbc_mt103.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

hsbc_mt103.exe

description	pid	Process	procid_target
PID 2484 wrote to memory of 2852	2484	hsbc_mt103.exe	30
PID 2484 wrote to memory of 2852	2484	hsbc_mt103.exe	30
PID 2484 wrote to memory of 2852	2484	hsbc_mt103.exe	30
PID 2484 wrote to memory of 2852	2484	hsbc_mt103.exe	30
PID 2484 wrote to memory of 2852	2484	hsbc_mt103.exe	30
PID 2484 wrote to memory of 2852	2484	hsbc_mt103.exe	30
PID 2484 wrote to memory of 2852	2484	hsbc_mt103.exe	30
PID 2484 wrote to memory of 2784	2484	hsbc_mt103.exe	31
PID 2484 wrote to memory of 2784	2484	hsbc_mt103.exe	31
PID 2484 wrote to memory of 2784	2484	hsbc_mt103.exe	31
PID 2484 wrote to memory of 2784	2484	hsbc_mt103.exe	31
PID 2484 wrote to memory of 2784	2484	hsbc_mt103.exe	31
PID 2484 wrote to memory of 2784	2484	hsbc_mt103.exe	31
PID 2484 wrote to memory of 2784	2484	hsbc_mt103.exe	31
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32
PID 2484 wrote to memory of 2732	2484	hsbc_mt103.exe	32

C:\Users\Admin\AppData\Local\Temp\hsbc_mt103.exe
"C:\Users\Admin\AppData\Local\Temp\hsbc_mt103.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:2852
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:2784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2732

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

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Downloads

memory/2484-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/2484-1-0x0000000000B20000-0x0000000000BE6000-memory.dmp

Filesize
792KB

Download
memory/2484-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-3-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/2484-4-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/2484-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-6-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/2484-7-0x0000000000670000-0x0000000000682000-memory.dmp

Filesize
72KB

Download
memory/2484-25-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2732-10-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2732-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2732-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2732-23-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2732-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2732-24-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2732-26-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-27-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads