asyncrat | 0ba3f53dc303731f8060b81fecfd87026b55052488853f4df228255eeba35a8d

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
20/02/2025, 14:23

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General

Target

autoinstall dll @powergirlso2.exe
Size

2.0MB
MD5

390e8cf06fa3eb9ebf46ca2498bbe0a7
SHA1

cc2ce83fd17f26e8889c94263624b98cd46254d4
SHA256

0ba3f53dc303731f8060b81fecfd87026b55052488853f4df228255eeba35a8d
SHA512

821d13b2d099736bc9f410ad1138d3bf6c09e2ef0ae93259b937de1b0652eb968a4f097c26006a75f94548ee237989464f5620b86116dc9654fef7e49452d633
SSDEEP

24576:xkBGRu7kCvNuLJHCUgGZJkQqRX7usVzRxaiKwr/8jh80trwEuepKunr:6BerzgpKW/8jh86UEke

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

RC7-41750.portmap.host:41750

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 2988 set thread context of 4696	2988	autoinstall dll @powergirlso2.exe	32

System Location Discovery: System Language Discovery 1 TTPs 4 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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	autoinstall dll @powergirlso2.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4808	timeout.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe
2988	autoinstall dll @powergirlso2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	autoinstall dll @powergirlso2.exe
Token: SeDebugPrivilege	4696	cvtres.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4696	2988	autoinstall dll @powergirlso2.exe	32
PID 2988 wrote to memory of 4760	2988	autoinstall dll @powergirlso2.exe	33
PID 2988 wrote to memory of 4760	2988	autoinstall dll @powergirlso2.exe	33
PID 2988 wrote to memory of 4760	2988	autoinstall dll @powergirlso2.exe	33
PID 2988 wrote to memory of 4760	2988	autoinstall dll @powergirlso2.exe	33
PID 4760 wrote to memory of 4808	4760	cmd.exe	35
PID 4760 wrote to memory of 4808	4760	cmd.exe	35
PID 4760 wrote to memory of 4808	4760	cmd.exe	35
PID 4760 wrote to memory of 4808	4760	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\autoinstall dll @powergirlso2.exe
"C:\Users\Admin\AppData\Local\Temp\autoinstall dll @powergirlso2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4696
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c timeout /t 1 && DEL /f autoinstall dll @powergirlso2.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 1
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4808

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

C:\Users\Admin\AppData\Local\Temp\Cab2D98.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8BE0.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2988-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2988-1-0x0000000001120000-0x0000000001322000-memory.dmp

Filesize
2.0MB

Download
memory/2988-3-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-2-0x0000000000E50000-0x0000000000F82000-memory.dmp

Filesize
1.2MB

Download
memory/2988-5-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-27-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-45-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-65-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-63-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-61-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-59-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-57-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-55-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-53-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-51-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-49-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-47-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-43-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-41-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-39-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-37-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-35-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-33-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-31-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-29-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-25-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-23-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-21-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-19-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-17-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-15-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-13-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-11-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-9-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-7-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-4-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-67-0x0000000000E50000-0x0000000000F7C000-memory.dmp

Filesize
1.2MB

Download
memory/2988-24398-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2988-24399-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2988-24416-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/4696-24415-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/4696-24414-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4696-24417-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/4696-24418-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/4696-24435-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/4696-24436-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/4696-24437-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/4696-24438-0x0000000000860000-0x0000000000894000-memory.dmp

Filesize
208KB

Download