asyncrat | 76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a

General

Target

76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
Size

1.1MB
MD5

ce06f126fc10c87fcfff0f928ab6b897
SHA1

29c8c7339817b5c601ae65222032739e6235c868
SHA256

76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a
SHA512

50b92b46792e9ce09a1a70fdea37ebdf1a93d0689159db6469a5ae2a1c61b7b72bdbc43d8d8f4a2e2a20ec57a74487557a63f3f7083f7a3f57898d5b04ec4575
SSDEEP

12288:fWYUw4FaUHJF/xTxN3aD+L/BPyf13SFyIz8VOHaaASSMCFF50mWWaos2ZtQOGx/K:fcw4FqD+FPyf13WyOvSMyT08aoz

Score

10^/10

asyncrat discovery rat

Malware Config

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 2360 set thread context of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.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	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
Token: SeDebugPrivilege	1228	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31
PID 2360 wrote to memory of 1228	2360	76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe	31

C:\Users\Admin\AppData\Local\Temp\76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe
"C:\Users\Admin\AppData\Local\Temp\76143866c125f53a138ad30d7c1a92cf89f8132375e2c56410bd13a623569e2a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1228

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

memory/1228-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1228-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1228-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1228-20-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/1228-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1228-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1228-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1228-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1228-21-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/1228-19-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/1228-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2360-12-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/2360-13-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2360-1-0x0000000000090000-0x00000000001A8000-memory.dmp

Filesize
1.1MB

Download
memory/2360-5-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2360-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/2360-18-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2360-4-0x00000000009F0000-0x0000000000A0A000-memory.dmp

Filesize
104KB

Download
memory/2360-3-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2360-2-0x0000000000970000-0x00000000009B4000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing