asyncrat | 8e01aa31c94e31de086a742c522520282d8b7fb784bc1875e0c005debfa77a4a

General

Target

tmp.exe
Size

641KB
MD5

cd67ba75d4806b402025205991a2c21a
SHA1

b7da7ff58dd3a75dfcf1998798120cde3af9b50f
SHA256

8e01aa31c94e31de086a742c522520282d8b7fb784bc1875e0c005debfa77a4a
SHA512

94cc00ba428fb1befeb4c3480cfc5f6eb63ac2dbd83b9da701453196b3aab6c6d060363c8c2b01d3e7a6a85836992e705546231fe21e6af38d5ca4eaa8775fa8
SSDEEP

12288:ckBnMd/SN7xFGPYsUEeBujfFT6QGJ26ThJkXvJvwgebrXB4X:c1/nXp6urFT6QGJHhCXSzfe

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

195.133.18.181:8878

Mutex

DcRatMutex_qwqdanchunadsadasadda

Attributes

delay
1
install
true
install_file
ExacqVision.exe
install_folder
%Temp%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 9 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1712-61-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1712-62-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1712-63-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1712-64-0x000000000040CBDE-mapping.dmp	asyncrat
behavioral1/memory/1712-66-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1712-68-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1980-88-0x000000000040CBDE-mapping.dmp	asyncrat
behavioral1/memory/1980-91-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1980-93-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

ExacqVision.exeExacqVision.exe

pid process

1884 ExacqVision.exe
1980 ExacqVision.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exeExacqVision.exe

pid process

1076 cmd.exe
1884 ExacqVision.exe

pid	process
1884	ExacqVision.exe
1980	ExacqVision.exe

pid	process
1076	cmd.exe
1884	ExacqVision.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

tmp.exeExacqVision.exe

description	pid	process	target process
PID 544 set thread context of 1712	544	tmp.exe	tmp.exe
PID 1884 set thread context of 1980	1884	ExacqVision.exe	ExacqVision.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1108 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1396 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

tmp.exe

pid process

1712 tmp.exe

pid	process
1108	schtasks.exe

pid	process
1396	timeout.exe

pid	process
1712	tmp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

tmp.exetmp.exeExacqVision.exeExacqVision.exe

description	pid	process
Token: SeDebugPrivilege	544	tmp.exe
Token: SeDebugPrivilege	1712	tmp.exe
Token: SeDebugPrivilege	1884	ExacqVision.exe
Token: SeDebugPrivilege	1980	ExacqVision.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

tmp.exetmp.execmd.execmd.exeExacqVision.exe

description	pid	process	target process
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 544 wrote to memory of 1712	544	tmp.exe	tmp.exe
PID 1712 wrote to memory of 1324	1712	tmp.exe	cmd.exe
PID 1712 wrote to memory of 1324	1712	tmp.exe	cmd.exe
PID 1712 wrote to memory of 1324	1712	tmp.exe	cmd.exe
PID 1712 wrote to memory of 1324	1712	tmp.exe	cmd.exe
PID 1712 wrote to memory of 1076	1712	tmp.exe	cmd.exe
PID 1712 wrote to memory of 1076	1712	tmp.exe	cmd.exe
PID 1712 wrote to memory of 1076	1712	tmp.exe	cmd.exe
PID 1712 wrote to memory of 1076	1712	tmp.exe	cmd.exe
PID 1324 wrote to memory of 1108	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 1108	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 1108	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 1108	1324	cmd.exe	schtasks.exe
PID 1076 wrote to memory of 1396	1076	cmd.exe	timeout.exe
PID 1076 wrote to memory of 1396	1076	cmd.exe	timeout.exe
PID 1076 wrote to memory of 1396	1076	cmd.exe	timeout.exe
PID 1076 wrote to memory of 1396	1076	cmd.exe	timeout.exe
PID 1076 wrote to memory of 1884	1076	cmd.exe	ExacqVision.exe
PID 1076 wrote to memory of 1884	1076	cmd.exe	ExacqVision.exe
PID 1076 wrote to memory of 1884	1076	cmd.exe	ExacqVision.exe
PID 1076 wrote to memory of 1884	1076	cmd.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe
PID 1884 wrote to memory of 1980	1884	ExacqVision.exe	ExacqVision.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ExacqVision" /tr '"C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "ExacqVision" /tr '"C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe"'
4⤵
- Creates scheduled task(s)
PID:1108

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC746.tmp.bat""
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:1396

C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe
"C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884

C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe
C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1980

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe
Filesize
641KB

MD5
cd67ba75d4806b402025205991a2c21a

SHA1
b7da7ff58dd3a75dfcf1998798120cde3af9b50f

SHA256
8e01aa31c94e31de086a742c522520282d8b7fb784bc1875e0c005debfa77a4a

SHA512
94cc00ba428fb1befeb4c3480cfc5f6eb63ac2dbd83b9da701453196b3aab6c6d060363c8c2b01d3e7a6a85836992e705546231fe21e6af38d5ca4eaa8775fa8

Download Submit
C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe
Filesize
641KB

MD5
cd67ba75d4806b402025205991a2c21a

SHA1
b7da7ff58dd3a75dfcf1998798120cde3af9b50f

SHA256
8e01aa31c94e31de086a742c522520282d8b7fb784bc1875e0c005debfa77a4a

SHA512
94cc00ba428fb1befeb4c3480cfc5f6eb63ac2dbd83b9da701453196b3aab6c6d060363c8c2b01d3e7a6a85836992e705546231fe21e6af38d5ca4eaa8775fa8

Download Submit
C:\Users\Admin\AppData\Local\Temp\ExacqVision.exe
Filesize
641KB

MD5
cd67ba75d4806b402025205991a2c21a

SHA1
b7da7ff58dd3a75dfcf1998798120cde3af9b50f

SHA256
8e01aa31c94e31de086a742c522520282d8b7fb784bc1875e0c005debfa77a4a

SHA512
94cc00ba428fb1befeb4c3480cfc5f6eb63ac2dbd83b9da701453196b3aab6c6d060363c8c2b01d3e7a6a85836992e705546231fe21e6af38d5ca4eaa8775fa8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC746.tmp.bat
Filesize
158B

MD5
656b10920dcbbe6ae33cde23204dc99f

SHA1
f200458bfe1604d6f2457c2ca89037f9c4cebbdc

SHA256
01b694fb975590d4d60a0f28f3ff2a5ae5e9da7bdd5df4f1f455f007f2f8b1e3

SHA512
cc9b1e5ac77394ba463b24ad2cc19dfb1242ab327fdb3b1d8381c7a89d74e0d08fdae9e47735755bdd2fc3cbb915faa5076206a35ffef1d00b5a30480e747fcc

Download Submit
\Users\Admin\AppData\Local\Temp\ExacqVision.exe
Filesize
641KB

MD5
cd67ba75d4806b402025205991a2c21a

SHA1
b7da7ff58dd3a75dfcf1998798120cde3af9b50f

SHA256
8e01aa31c94e31de086a742c522520282d8b7fb784bc1875e0c005debfa77a4a

SHA512
94cc00ba428fb1befeb4c3480cfc5f6eb63ac2dbd83b9da701453196b3aab6c6d060363c8c2b01d3e7a6a85836992e705546231fe21e6af38d5ca4eaa8775fa8

Download Submit
\Users\Admin\AppData\Local\Temp\ExacqVision.exe
Filesize
641KB

MD5
cd67ba75d4806b402025205991a2c21a

SHA1
b7da7ff58dd3a75dfcf1998798120cde3af9b50f

SHA256
8e01aa31c94e31de086a742c522520282d8b7fb784bc1875e0c005debfa77a4a

SHA512
94cc00ba428fb1befeb4c3480cfc5f6eb63ac2dbd83b9da701453196b3aab6c6d060363c8c2b01d3e7a6a85836992e705546231fe21e6af38d5ca4eaa8775fa8

Download Submit
memory/544-54-0x00000000011D0000-0x0000000001276000-memory.dmp

Filesize
664KB

Download
memory/544-55-0x0000000000440000-0x00000000004E6000-memory.dmp

Filesize
664KB

Download
memory/544-56-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/544-57-0x0000000004750000-0x00000000047E2000-memory.dmp

Filesize
584KB

Download
memory/1076-71-0x0000000000000000-mapping.dmp

Download
memory/1108-72-0x0000000000000000-mapping.dmp

Download
memory/1324-70-0x0000000000000000-mapping.dmp

Download
memory/1396-74-0x0000000000000000-mapping.dmp

Download
memory/1712-59-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1712-64-0x000000000040CBDE-mapping.dmp

Download
memory/1712-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1712-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1712-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1712-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1712-68-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1712-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1884-77-0x0000000000000000-mapping.dmp

Download
memory/1884-79-0x0000000000310000-0x00000000003B6000-memory.dmp

Filesize
664KB

Download
memory/1980-88-0x000000000040CBDE-mapping.dmp

Download
memory/1980-91-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1980-93-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads