asyncrat | e7760d96bfe47be2b364e2b94e9fcc378fce87499ec37d4545a1b39cbcdfa976

Analysis

max time kernel
65s
max time network
174s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 18:46

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General

Target

ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe
Size

1.2MB
MD5

e1be6fc6309190f5ac4ae17996ca65fb
SHA1

4aa23fc35aa6dd3c46e0d1e32ee18b61f3116195
SHA256

fe2f973bb50568c274625869fb318f8660e0e17af10953039a05999274a21ce4
SHA512

28c7863d4ec4462e4d222b9258d942a949791e8e2134295de403480c06cb71cb32aea42c20f77482a803be1d0f6ab5a1c96fcbff0042a4d6c66b927c89a97e67
SSDEEP

24576:VAcwhK7VEyb6WnnRdDH7Q38kPUs2gnPyLCKFdI:VAckK7V3nR8PfPzcW

Score

10^/10

asyncrat logan discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7A

Botnet

LOGAN

logann.duckdns.org:6606

Mutex

uuooxuxbnkywum

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IsInvalid.vbs	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29

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	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe
Token: SeDebugPrivilege	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe
Token: SeDebugPrivilege	1516	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29
PID 1936 wrote to memory of 1516	1936	ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe	29

C:\Users\Admin\AppData\Local\Temp\ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe
"C:\Users\Admin\AppData\Local\Temp\ANEXOS Y DOCUMENTOS, RADICADO PARA PROCESO LEGAL 99787215873.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1516

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\Cab6B14.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1516-1210-0x0000000000090000-0x00000000000A2000-memory.dmp

Filesize
72KB

Download
memory/1516-1212-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1516-1213-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1516-1214-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1936-42-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-1187-0x0000000004A70000-0x0000000004AC4000-memory.dmp

Filesize
336KB

Download
memory/1936-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1936-3-0x0000000004930000-0x0000000004A18000-memory.dmp

Filesize
928KB

Download
memory/1936-4-0x0000000004F00000-0x0000000004FEA000-memory.dmp

Filesize
936KB

Download
memory/1936-5-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-14-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-34-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-60-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-64-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-62-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-58-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-56-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-54-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-52-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-50-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-36-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-46-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-44-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/1936-40-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-38-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-30-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-1-0x00000000011A0000-0x00000000012CA000-memory.dmp

Filesize
1.2MB

Download
memory/1936-48-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-28-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-27-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-24-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-22-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-20-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-18-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-16-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-12-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-10-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-8-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-6-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-68-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-66-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-1181-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1936-1182-0x00000000047B0000-0x000000000480C000-memory.dmp

Filesize
368KB

Download
memory/1936-1183-0x00000000004F0000-0x000000000053C000-memory.dmp

Filesize
304KB

Download
memory/1936-1184-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/1936-1185-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1936-1186-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1936-32-0x0000000004F00000-0x0000000004FE4000-memory.dmp

Filesize
912KB

Download
memory/1936-1211-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download