Behavioral Report

General

Target

BOLETA DE CITACION POLICIA NACIONAL.exe
Size

2MB
MD5

fd0875a959c9b325989d132991c27610
SHA1

7449341ee58c6ed396ce5687450ec59ea13904d4
SHA256

3610699951e813e124b8b4a874b96eedd23db3028cf91624db95521608dd0787
SHA512

087b43709d00409673690e9956ec2c711ab482568d0032542ae167d8868d676746b661fae812b3eed2413039d01371fe91513d98156c7f916724754c0c8fe131
SSDEEP

24576:Z1nYQb6VOfB5NVKkeybnvJPWOwxg+95KcupHURdpNasTavbgv36mDWp6QW8MAizq:mR01UTTsg36mD8Liz+RRX

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

ewtwet.duckdns.org:8091

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
Async RAT payload 1 IoCs
rat

Processes:

resource yara_rule

behavioral2/memory/316-143-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat

resource	yara_rule
behavioral2/memory/316-143-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

BOLETA DE CITACION POLICIA NACIONAL.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	BOLETA DE CITACION POLICIA NACIONAL.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

BOLETA DE CITACION POLICIA NACIONAL.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ztdiqzaou\\chrome.exe\""	BOLETA DE CITACION POLICIA NACIONAL.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BOLETA DE CITACION POLICIA NACIONAL.exe

description pid process target process

PID 4792 set thread context of 316 4792 BOLETA DE CITACION POLICIA NACIONAL.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4300 powershell.exe
4300 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeBOLETA DE CITACION POLICIA NACIONAL.exe

description pid process

Token: SeDebugPrivilege 4300 powershell.exe
Token: SeDebugPrivilege 4792 BOLETA DE CITACION POLICIA NACIONAL.exe

description	pid	process	target process
PID 4792 set thread context of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe

pid	process
4300	powershell.exe
4300	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4300	powershell.exe
Token: SeDebugPrivilege	4792	BOLETA DE CITACION POLICIA NACIONAL.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

BOLETA DE CITACION POLICIA NACIONAL.exe

description	pid	process	target process
PID 4792 wrote to memory of 4300	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	powershell.exe
PID 4792 wrote to memory of 4300	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	powershell.exe
PID 4792 wrote to memory of 4300	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	powershell.exe
PID 4792 wrote to memory of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe
PID 4792 wrote to memory of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe
PID 4792 wrote to memory of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe
PID 4792 wrote to memory of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe
PID 4792 wrote to memory of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe
PID 4792 wrote to memory of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe
PID 4792 wrote to memory of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe
PID 4792 wrote to memory of 316	4792	BOLETA DE CITACION POLICIA NACIONAL.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\BOLETA DE CITACION POLICIA NACIONAL.exe
"C:\Users\Admin\AppData\Local\Temp\BOLETA DE CITACION POLICIA NACIONAL.exe"
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4300

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID:316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

00:00 00:00

Downloads

memory/316-142-0x0000000000000000-mapping.dmp

Download
memory/316-143-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4300-134-0x0000000000000000-mapping.dmp

Download
memory/4300-135-0x0000000002BA0000-0x0000000002BD6000-memory.dmp

Filesize
216KB

Download
memory/4300-136-0x0000000005420000-0x0000000005A48000-memory.dmp

Filesize
6MB

Download
memory/4300-137-0x0000000005270000-0x00000000052D6000-memory.dmp

Filesize
408KB

Download
memory/4300-138-0x0000000005AC0000-0x0000000005B26000-memory.dmp

Filesize
408KB

Download
memory/4300-139-0x00000000061A0000-0x00000000061BE000-memory.dmp

Filesize
120KB

Download
memory/4300-140-0x00000000079D0000-0x000000000804A000-memory.dmp

Filesize
6MB

Download
memory/4300-141-0x0000000006650000-0x000000000666A000-memory.dmp

Filesize
104KB

Download
memory/4792-132-0x0000000000720000-0x0000000000974000-memory.dmp

Filesize
2MB

Download
memory/4792-133-0x00000000054D0000-0x00000000054F2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Downloads