asyncrat | 051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0

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
05-12-2024 22:05

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General

Target

051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe
Size

1.9MB
MD5

18b14e2c7f00211fc1f0754e8a7ffaaa
SHA1

76427d23956181faa779af76b5a4865b1c67a37d
SHA256

051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0
SHA512

1cd41010883f87297de7d64428fa555a291fdec9ac55c3d90b764394f7f503e72fae6f9617a158c6b8399df77f17ce97e048107bd24b55077c5410263377429f
SSDEEP

49152:1Y0DiBirYhIstmZrbQhrHqxZrbQhrHqYlMgI4nrgMYNuopxNXUXua67o+:1Y0DqtmZrbQhrHqxZrbQhrHqesNZai/

Score

10^/10

asyncrat 27 novie discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

27 NOVIE

RadicadoYActas.casacam.net:2247

Mutex

TERTE

Attributes

delay
5
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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UniFab = "C:\\Users\\Admin\\Documents\\UniFab\\Bin\\UniFab.exeЀ"	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4944 set thread context of 4332	4944	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	90

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4804	4944	WerFault.exe	82

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	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4332	4944	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	90
PID 4944 wrote to memory of 4332	4944	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	90
PID 4944 wrote to memory of 4332	4944	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	90
PID 4944 wrote to memory of 4332	4944	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	90
PID 4944 wrote to memory of 4332	4944	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	90

C:\Users\Admin\AppData\Local\Temp\051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe
"C:\Users\Admin\AppData\Local\Temp\051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4944
- 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:4332
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 588
  2⤵
  - Program crash
  PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944
1⤵
PID:460

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/4332-10-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/4332-7-0x0000000000100000-0x0000000000112000-memory.dmp

Filesize
72KB

Download
memory/4332-15-0x00000000740E0000-0x0000000074890000-memory.dmp

Filesize
7.7MB

Download
memory/4332-12-0x00000000740E0000-0x0000000074890000-memory.dmp

Filesize
7.7MB

Download
memory/4944-2-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4944-9-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4944-0-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4944-5-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4944-8-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4944-1-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download
memory/4944-11-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download
memory/4944-6-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4944-14-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download
memory/4944-13-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4944-3-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads