asyncrat | 91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755

Analysis

max time kernel
134s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 14:51

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General

Target

91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe
Size

16KB
MD5

bf7fe6eb5bb1370037fb32f2ca3af19d
SHA1

e84b45ef4672259fa6ba963c1d49683343c4e1dd
SHA256

91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755
SHA512

0ac27873c53bbac3e3b108b282f848a61638c17ec3ca4effa9e477e19a48661bb79671f87ab28cb7fcb5595e4908cde4362711f7487abffca483f0799524e33f
SSDEEP

384:rEfOryV5/k95TsZmLMN8GuTs0sg7UVOmhXpTV7qfOA:rFCA4gtsBhXpTpBA

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

192.168.1.104:8848

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
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

description	pid	Process	procid_target
PID 4024 set thread context of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83
PID 4024 wrote to memory of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83
PID 4024 wrote to memory of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83
PID 4024 wrote to memory of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83
PID 4024 wrote to memory of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83
PID 4024 wrote to memory of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83
PID 4024 wrote to memory of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83
PID 4024 wrote to memory of 1292	4024	91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe	83

C:\Users\Admin\AppData\Local\Temp\91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe
"C:\Users\Admin\AppData\Local\Temp\91542661ee655caabae948eb3a7e9a2a96ea3bbb389735db9c860d33d1390755.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1292-3-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1292-6-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/1292-7-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/1292-8-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/1292-9-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/4024-0-0x00007FFD36353000-0x00007FFD36355000-memory.dmp

Filesize
8KB

Download
memory/4024-1-0x00000145AF530000-0x00000145AF538000-memory.dmp

Filesize
32KB

Download
memory/4024-2-0x00007FFD36350000-0x00007FFD36E11000-memory.dmp

Filesize
10.8MB

Download
memory/4024-5-0x00007FFD36350000-0x00007FFD36E11000-memory.dmp

Filesize
10.8MB

Download