asyncrat | d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961

General

Target

d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe
Size

552KB
MD5

4940da1a6d964cc9090584fdb9ff306d
SHA1

e5be22aa824effd315eac3704dcc8790b0718dc0
SHA256

d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961
SHA512

6febe5992c168273500e081967c648cef21b1f0c9cd0b11bfc16c9e1975fb5bae82cffb732a9baf6c5a38bb5adf5be814eb8ab75ce24be080092190c9d72bf91
SSDEEP

12288:ClxHRmQa1wEqTH+nsh1XMav+HaezctT4hZfmg:8HRmcH+meaWFzcts/fF

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:1960

cuit.ydns.eu:1960

Mutex

Ym9duGjX2Yzz

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:

d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe

description	pid	Process	procid_target
PID 1972 set thread context of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.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:

d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exed8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe

pid	Process
1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe
1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe

description	pid	Process
Token: SeDebugPrivilege	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe

description	pid	Process	procid_target
PID 1972 wrote to memory of 2732	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	31
PID 1972 wrote to memory of 2732	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	31
PID 1972 wrote to memory of 2732	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	31
PID 1972 wrote to memory of 2732	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	31
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32
PID 1972 wrote to memory of 2760	1972	d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe	32

C:\Users\Admin\AppData\Local\Temp\d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe
"C:\Users\Admin\AppData\Local\Temp\d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe
  "C:\Users\Admin\AppData\Local\Temp\d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe"
  2⤵
  PID:2732
- C:\Users\Admin\AppData\Local\Temp\d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe
  "C:\Users\Admin\AppData\Local\Temp\d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760

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/1972-22-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/1972-1-0x00000000002B0000-0x0000000000340000-memory.dmp

Filesize
576KB

Download
memory/1972-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/1972-3-0x0000000000370000-0x000000000038C000-memory.dmp

Filesize
112KB

Download
memory/1972-4-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/1972-5-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/1972-6-0x00000000005D0000-0x0000000000624000-memory.dmp

Filesize
336KB

Download
memory/1972-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2760-24-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-26-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2760-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2760-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2760-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2760-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2760-23-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-21-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2760-25-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads