asyncrat | 53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346

General

Target

53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
Size

1.1MB
MD5

689ed905b8ca6bf1692fed19f2ab8487
SHA1

c7330fa14d2a5aa5161edc8b3e33ae5e362edb07
SHA256

53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346
SHA512

ef124ce31dda75e708396bb0a3ac6b166a2ea8a160dd09832a4f5cd55a78f61b40b7d0b0ef3d9181efddc33e26cc8ba88397ca95785e843ea392852d90d25cbb
SSDEEP

12288:l5VPG1/BPyf13SFyIz8VOHarASSMCFFr0mWWaos2Zv6xKheSuezx/bVGpb:lm3Pyf13WyOSSMyp08aozyxKhe

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 860 set thread context of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30

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	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
Token: SeDebugPrivilege	1792	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30
PID 860 wrote to memory of 1792	860	53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe	30

C:\Users\Admin\AppData\Local\Temp\53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe
"C:\Users\Admin\AppData\Local\Temp\53ea69757160c5fe2dfa09b754228ccfbdd5775d6b7bf12c66c1c88ebe1d0346.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860
- 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:1792

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

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Downloads

memory/860-0-0x0000000001180000-0x00000000012A8000-memory.dmp

Filesize
1.2MB

Download
memory/860-1-0x0000000000B00000-0x0000000000B44000-memory.dmp

Filesize
272KB

Download
memory/860-2-0x00000000006E0000-0x00000000006FA000-memory.dmp

Filesize
104KB

Download
memory/860-3-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1792-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1792-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1792-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1792-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1792-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1792-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1792-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1792-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

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