asyncrat | aa2865178dc691edfdfc676c77a638cd165cbe9385a0ae4b8bfa16e9b9af753b

Analysis

max time kernel
149s
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
04-12-2024 22:59

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General

Target

qtIh.exe
Size

1.9MB
MD5

18a531099ef85a846a63b7aee12b45e7
SHA1

ccee12b82ebc5585febac7929312ee3024821db9
SHA256

aa2865178dc691edfdfc676c77a638cd165cbe9385a0ae4b8bfa16e9b9af753b
SHA512

81b9b18a24882d5b2f2704f20df57719290da063dac8147e866e076d7a1591e379309dfd780a546a739688d30c5ee51f9e5599d6576a7ddd09286f10324e5ab9
SSDEEP

49152:69U35JCirYhIntmZrbQhrHqxZrbQhrHq26R5vIk:6O3vTtmZrbQhrHqxZrbQhrHq357

Score

10^/10

asyncrat chile discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

chile

formationslistcomplet2.sexidude.com:4365

Mutex

ueyroowiieyyriowowieuuurueiwiwur

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UniFab = "C:\\Users\\Admin\\Documents\\UniFab\\Bin\\UniFab.exe"	qtIh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5096 set thread context of 2324	5096	qtIh.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3096	5096	WerFault.exe	81

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	qtIh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 2324	5096	qtIh.exe	87
PID 5096 wrote to memory of 2324	5096	qtIh.exe	87
PID 5096 wrote to memory of 2324	5096	qtIh.exe	87
PID 5096 wrote to memory of 2324	5096	qtIh.exe	87
PID 5096 wrote to memory of 2324	5096	qtIh.exe	87

C:\Users\Admin\AppData\Local\Temp\qtIh.exe
"C:\Users\Admin\AppData\Local\Temp\qtIh.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 140
  2⤵
  - Program crash
  PID:3096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5096 -ip 5096
1⤵
PID:336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2324-8-0x00000000005D0000-0x00000000005E2000-memory.dmp

Filesize
72KB

Download
memory/2324-12-0x0000000000300000-0x000000000050F000-memory.dmp

Filesize
2.1MB

Download
memory/5096-6-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-5-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-7-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-9-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-1-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download
memory/5096-11-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-0-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-3-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-13-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-14-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download
memory/5096-15-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/5096-16-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads