asyncrat | d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411

General

Target

d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
Size

487KB
MD5

77d62a0f656d79e0ff5bb2f70e4e852c
SHA1

c85bde83456a07b3797aa6f290f71c8ff715a598
SHA256

d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411
SHA512

b503be45cc8d524d9f929aae53bc0a46e991c8db94503da64d3dfc1b1eaf7378c068da0156436fb865ad36016e957c7416a2e87bee3d1bb644e5c481a40bd645
SSDEEP

12288:ctaDPw1Qk89TmyVryOUfR3rA9WgCqo3yrWE3I7Oqa8bfWT:c0Lw9gTFVryb3rkVCV+WE3FZ8bfW

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:

d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

description	pid	Process	procid_target
PID 2840 set thread context of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100

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:

d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exed7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

pid	Process
2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

description	pid	Process
Token: SeDebugPrivilege	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

description	pid	Process	procid_target
PID 2840 wrote to memory of 4392	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	99
PID 2840 wrote to memory of 4392	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	99
PID 2840 wrote to memory of 4392	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	99
PID 2840 wrote to memory of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100
PID 2840 wrote to memory of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100
PID 2840 wrote to memory of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100
PID 2840 wrote to memory of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100
PID 2840 wrote to memory of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100
PID 2840 wrote to memory of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100
PID 2840 wrote to memory of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100
PID 2840 wrote to memory of 964	2840	d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe	100

C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
"C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
  "C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe"
  2⤵
  PID:4392
- C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
  "C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:964

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/964-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/964-17-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/964-16-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/964-14-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2840-5-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2840-6-0x0000000005BA0000-0x0000000005C3C000-memory.dmp

Filesize
624KB

Download
memory/2840-7-0x0000000006C10000-0x0000000006C2E000-memory.dmp

Filesize
120KB

Download
memory/2840-8-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2840-9-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2840-10-0x0000000005280000-0x00000000052D4000-memory.dmp

Filesize
336KB

Download
memory/2840-4-0x0000000005950000-0x000000000595A000-memory.dmp

Filesize
40KB

Download
memory/2840-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2840-3-0x0000000005880000-0x0000000005912000-memory.dmp

Filesize
584KB

Download
memory/2840-15-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2840-2-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/2840-1-0x0000000000E30000-0x0000000000EB0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads