asyncrat | bc0c79ef32bdd9bc48f70b700a69fc8453678211cdda9564cdd8c9124e5cd8fc

General

Target

PROCESO_JUDICIAL_POR _DEMANDA_LABORAL_RDO 40032021-00235/1 DEMANDA.exe
Size

1.6MB
MD5

8f0717916432e1e4f3313c8ebde55210
SHA1

41456cd9c3b66cfb22f9bbeefb6750cce516bf3a
SHA256

8dc4d5deef19fb4da195c270819a6ee283b67408fc9ee187216a0ce80ee61bab
SHA512

d1c4696541ec1d8d44e820902828bfbbd16afbb9c4a251080fc62262fbf879b268ed0fff80ea84aacdc58f424c516a979bb8fa82f0dfe920d71cad92f17bcfee
SSDEEP

12288:N2EDigMo6E50Hmy00qEEmxnA7ECCXuiAK6xXHDJBIMQV2:bFaky0wEmxAQCCXuiA3XH8N2

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

Processes:

1 DEMANDA.execmd.exe

description pid process target process

PID 3636 set thread context of 212 3636 1 DEMANDA.exe cmd.exe
PID 212 set thread context of 3000 212 cmd.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 3636 set thread context of 212	3636	1 DEMANDA.exe	cmd.exe
PID 212 set thread context of 3000	212	cmd.exe	MSBuild.exe

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

Processes:

cmd.exeMSBuild.exe

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

Processes:

1 DEMANDA.execmd.exe

pid process

3636 1 DEMANDA.exe
3636 1 DEMANDA.exe
212 cmd.exe
212 cmd.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

1 DEMANDA.execmd.exe

pid process

3636 1 DEMANDA.exe
212 cmd.exe
212 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3000 MSBuild.exe

pid	process
3636	1 DEMANDA.exe
3636	1 DEMANDA.exe
212	cmd.exe
212	cmd.exe

pid	process
3636	1 DEMANDA.exe
212	cmd.exe
212	cmd.exe

description	pid	process
Token: SeDebugPrivilege	3000	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1 DEMANDA.execmd.exe

description	pid	process	target process
PID 3636 wrote to memory of 212	3636	1 DEMANDA.exe	cmd.exe
PID 3636 wrote to memory of 212	3636	1 DEMANDA.exe	cmd.exe
PID 3636 wrote to memory of 212	3636	1 DEMANDA.exe	cmd.exe
PID 3636 wrote to memory of 212	3636	1 DEMANDA.exe	cmd.exe
PID 212 wrote to memory of 3000	212	cmd.exe	MSBuild.exe
PID 212 wrote to memory of 3000	212	cmd.exe	MSBuild.exe
PID 212 wrote to memory of 3000	212	cmd.exe	MSBuild.exe
PID 212 wrote to memory of 3000	212	cmd.exe	MSBuild.exe
PID 212 wrote to memory of 3000	212	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\PROCESO_JUDICIAL_POR _DEMANDA_LABORAL_RDO 40032021-00235\1 DEMANDA.exe
"C:\Users\Admin\AppData\Local\Temp\PROCESO_JUDICIAL_POR _DEMANDA_LABORAL_RDO 40032021-00235\1 DEMANDA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3636
- 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:212
- - 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:3000

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\2ceba1f8

Filesize
777KB

MD5
bb377a16ba9140b3566b0e0e0194c414

SHA1
57081b146729732a7f6abc168ecf5a1b8e0366d5

SHA256
f832eae57f4cf14eb4556dfb7fca64f993f47a9d83f36b2b6c57b58b4a0be134

SHA512
f1ca75d3d5d89afb099e87020c4e19ffa3c10ba8c9c8e4b6880d707542204094526136eadbad51bc87345c04a1debe03006bf41fee18faf9733cf557c2e29d68

Download Submit
memory/212-13-0x00000000750B0000-0x000000007522B000-memory.dmp

Filesize
1.5MB

Download
memory/212-12-0x00000000750BE000-0x00000000750C0000-memory.dmp

Filesize
8KB

Download
memory/212-15-0x00000000750B0000-0x000000007522B000-memory.dmp

Filesize
1.5MB

Download
memory/212-11-0x00000000750B0000-0x000000007522B000-memory.dmp

Filesize
1.5MB

Download
memory/212-9-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/3000-24-0x00000000056E0000-0x000000000577C000-memory.dmp

Filesize
624KB

Download
memory/3000-19-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/3000-28-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-20-0x0000000000610000-0x0000000000626000-memory.dmp

Filesize
88KB

Download
memory/3000-21-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-25-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download
memory/3000-26-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/3000-27-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/3000-16-0x0000000073630000-0x0000000074884000-memory.dmp

Filesize
18.3MB

Download
memory/3636-0-0x00007FFC504A0000-0x00007FFC50612000-memory.dmp

Filesize
1.4MB

Download
memory/3636-6-0x00007FFC504A0000-0x00007FFC50612000-memory.dmp

Filesize
1.4MB

Download
memory/3636-4-0x00007FFC504B9000-0x00007FFC504BA000-memory.dmp

Filesize
4KB

Download
memory/3636-5-0x00007FFC504A0000-0x00007FFC50612000-memory.dmp

Filesize
1.4MB

Download

Analysis

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