asyncrat | 03610be28ad34872b178590a309dafb1c7299bab994c2312a8a825657b2d9403

General

Target

OFICIO_DEMANDA_LABORAL_PROCESO_JUDICIAL 4003250112504/1DEMANDA RDO200124.exe
Size

966KB
MD5

e634616d3b445fc1cd55ee79cf5326ea
SHA1

ca27a368d87bc776884322ca996f3b24e20645f4
SHA256

1fcd04fe1a3d519c7d585216b414cd947d16997d77d81a2892821f588c630937
SHA512

7d491c0a97ce60e22238a1a3530f45fbb3c82377b400d7986db09eccad05c9c22fb5daa2b4781882f870ab088326e5f6156613124caa67b54601cbad8f66aa90
SSDEEP

24576:we3xAibB85Z1HrWtB8z1L1OTJu5zzz3zzzozzz3zzzSZ:HxAibBEZ1LWtBzQrZ

Score

10^/10

asyncrat server discovery rat

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

SERVER

C2

asyys.duckdns.org:52350

Mutex

AsyncMutex_6SI6TOGjnk

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 2 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 2368	2872	1DEMANDA RDO200124.exe	28
PID 2368 set thread context of 2672	2368	cmd.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2872	1DEMANDA RDO200124.exe
2872	1DEMANDA RDO200124.exe
2368	cmd.exe
2368	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2872	1DEMANDA RDO200124.exe
2368	cmd.exe
2368	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2368	2872	1DEMANDA RDO200124.exe	28
PID 2872 wrote to memory of 2368	2872	1DEMANDA RDO200124.exe	28
PID 2872 wrote to memory of 2368	2872	1DEMANDA RDO200124.exe	28
PID 2872 wrote to memory of 2368	2872	1DEMANDA RDO200124.exe	28
PID 2872 wrote to memory of 2368	2872	1DEMANDA RDO200124.exe	28
PID 2368 wrote to memory of 2672	2368	cmd.exe	32
PID 2368 wrote to memory of 2672	2368	cmd.exe	32
PID 2368 wrote to memory of 2672	2368	cmd.exe	32
PID 2368 wrote to memory of 2672	2368	cmd.exe	32
PID 2368 wrote to memory of 2672	2368	cmd.exe	32
PID 2368 wrote to memory of 2672	2368	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\OFICIO_DEMANDA_LABORAL_PROCESO_JUDICIAL 4003250112504\1DEMANDA RDO200124.exe
"C:\Users\Admin\AppData\Local\Temp\OFICIO_DEMANDA_LABORAL_PROCESO_JUDICIAL 4003250112504\1DEMANDA RDO200124.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4d6533ca

Filesize
777KB

MD5
31f8c81cce1a371546920112b128db47

SHA1
cbb62b49929e1a983a09fc5f9a72916ce8ec1078

SHA256
aeca2ccefee4b82803224cf4e129f0c44950875462a671ff4546017f42e8783c

SHA512
22d1653d0f773b5fd5e610195924c947de607cacb74c8f45fde04c1282e875ee8c91b163e6a15e216d646db0094fa5f62315153c3f2603a9a7b128254bdc2b90

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1161.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar26B8.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2368-63-0x0000000074A90000-0x0000000074C04000-memory.dmp

Filesize
1.5MB

Download
memory/2368-13-0x0000000077340000-0x00000000774E9000-memory.dmp

Filesize
1.7MB

Download
memory/2368-60-0x0000000074A90000-0x0000000074C04000-memory.dmp

Filesize
1.5MB

Download
memory/2368-58-0x0000000074A90000-0x0000000074C04000-memory.dmp

Filesize
1.5MB

Download
memory/2368-59-0x0000000074A9E000-0x0000000074AA0000-memory.dmp

Filesize
8KB

Download
memory/2672-64-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-65-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-62-0x00000000728C0000-0x0000000073922000-memory.dmp

Filesize
16.4MB

Download
memory/2672-66-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2872-7-0x000007FEF6480000-0x000007FEF65D8000-memory.dmp

Filesize
1.3MB

Download
memory/2872-9-0x000000013FF40000-0x0000000140038000-memory.dmp

Filesize
992KB

Download
memory/2872-10-0x000007FEF7620000-0x000007FEF7654000-memory.dmp

Filesize
208KB

Download
memory/2872-0-0x000007FEF6480000-0x000007FEF65D8000-memory.dmp

Filesize
1.3MB

Download
memory/2872-11-0x000007FEF5E00000-0x000007FEF60B5000-memory.dmp

Filesize
2.7MB

Download
memory/2872-6-0x000007FEF6480000-0x000007FEF65D8000-memory.dmp

Filesize
1.3MB

Download
memory/2872-5-0x000007FEF6499000-0x000007FEF649A000-memory.dmp

Filesize
4KB

Download

Analysis

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