asyncrat | 6313da98fb2cb9a244be2831c68da5301bfd60fbdd49293ca74e73d8885a2915

General

Target

IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe
Size

1.3MB
MD5

f466733baafecbcda0e3e270254b6a71
SHA1

0126d0f915000c7870b2ef99a3956b469e5e332b
SHA256

6313da98fb2cb9a244be2831c68da5301bfd60fbdd49293ca74e73d8885a2915
SHA512

5a18e2fcd299b54fe5dd2a9eef0e35855a2b618c18351463f9037d0af901db2b82ae620df2d72f713521ed43965f03979e6235ae38985bebbfaa45773c676bbb
SSDEEP

24576:actJecDFmLiYXccqM8oUS9Ms9l/dJjtPx:actJnDFPYXbqMUkMuLHP

Score

10^/10

asyncrat default persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

pedroalcantaralora09.duckdns.org:1990

Mutex

AsyncMutex_6SI8OkPnk

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/2300-143-0x0000000000400000-0x0000000000412000-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:

IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Imvefu\\chrome.exe\""	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe

description	pid	process	target process
PID 4736 set thread context of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.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

2748 powershell.exe
2748 powershell.exe

pid	process
2748	powershell.exe
2748	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe
Token: SeDebugPrivilege	2748	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe

description	pid	process	target process
PID 4736 wrote to memory of 2748	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	powershell.exe
PID 4736 wrote to memory of 2748	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	powershell.exe
PID 4736 wrote to memory of 2748	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	powershell.exe
PID 4736 wrote to memory of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	InstallUtil.exe
PID 4736 wrote to memory of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	InstallUtil.exe
PID 4736 wrote to memory of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	InstallUtil.exe
PID 4736 wrote to memory of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	InstallUtil.exe
PID 4736 wrote to memory of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	InstallUtil.exe
PID 4736 wrote to memory of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	InstallUtil.exe
PID 4736 wrote to memory of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	InstallUtil.exe
PID 4736 wrote to memory of 2300	4736	IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe
"C:\Users\Admin\AppData\Local\Temp\IMG-2983562398092375826583295 CONFIRMACION EXITOSA DE CONSIGNACION A CUENTA DE AHORRO 8723456792385'2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2748

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:2300

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

Loading Replay Monitor...

Downloads

memory/2300-142-0x0000000000000000-mapping.dmp

Download
memory/2300-143-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2748-134-0x0000000000000000-mapping.dmp

Download
memory/2748-135-0x00000000053B0000-0x00000000053E6000-memory.dmp

Filesize
216KB

Download
memory/2748-136-0x0000000005B70000-0x0000000006198000-memory.dmp

Filesize
6.2MB

Download
memory/2748-137-0x00000000062B0000-0x0000000006316000-memory.dmp

Filesize
408KB

Download
memory/2748-138-0x0000000006320000-0x0000000006386000-memory.dmp

Filesize
408KB

Download
memory/2748-139-0x0000000006970000-0x000000000698E000-memory.dmp

Filesize
120KB

Download
memory/2748-140-0x00000000081C0000-0x000000000883A000-memory.dmp

Filesize
6.5MB

Download
memory/2748-141-0x0000000006E10000-0x0000000006E2A000-memory.dmp

Filesize
104KB

Download
memory/4736-132-0x0000000000330000-0x0000000000482000-memory.dmp

Filesize
1.3MB

Download
memory/4736-133-0x0000000005B60000-0x0000000005B82000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads