asyncrat | d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790

General

Target

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe
Size

3.6MB
MD5

1816ea8c609c83ad29991af88da60a3f
SHA1

2e27cd519b6aafc0e8a439dc6268f7ed6661f0b3
SHA256

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790
SHA512

1c9b48df258c457dafd6fab4631949de6f3aab3017afbb6179fe57089e5629052b0bcbd84d55a0364c23a5a141c4f1b1a25b94f33dfe0b728be3fcfccea0ab0d
SSDEEP

98304:10kyPmJLXKvcegBKUx0NNatL3Lin21B9HhJXQvrRUKujPmX:TTJ7BegBUatvZD9HhRoF6jP

Score

10^/10

asyncrat default discovery evasion rat themida trojan

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:1605

Mutex

tkvbkymttagzul

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

VenomRAT 5 IoCs

Detects VenomRAT.

rat

Processes:

resource	yara_rule
behavioral1/memory/2148-32-0x0000000000400000-0x0000000000418000-memory.dmp	VenomRAT
behavioral1/memory/2148-30-0x0000000000400000-0x0000000000418000-memory.dmp	VenomRAT
behavioral1/memory/2148-28-0x0000000000400000-0x0000000000418000-memory.dmp	VenomRAT
behavioral1/memory/2148-25-0x0000000000400000-0x0000000000418000-memory.dmp	VenomRAT
behavioral1/memory/2148-24-0x0000000000400000-0x0000000000418000-memory.dmp	VenomRAT

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1084-17-0x0000000000400000-0x0000000000D52000-memory.dmp	themida
behavioral1/memory/1084-18-0x0000000000400000-0x0000000000D52000-memory.dmp	themida
behavioral1/memory/1084-35-0x0000000000400000-0x0000000000D52000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

pid process

1084 d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

pid	process
1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

description	pid	process	target process
PID 1084 set thread context of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.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:

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exeRegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

pid process

1084 d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

pid	process
1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2148	RegSvcs.exe
Token: SeIncreaseQuotaPrivilege	2148	RegSvcs.exe
Token: SeSecurityPrivilege	2148	RegSvcs.exe
Token: SeTakeOwnershipPrivilege	2148	RegSvcs.exe
Token: SeLoadDriverPrivilege	2148	RegSvcs.exe
Token: SeSystemProfilePrivilege	2148	RegSvcs.exe
Token: SeSystemtimePrivilege	2148	RegSvcs.exe
Token: SeProfSingleProcessPrivilege	2148	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	2148	RegSvcs.exe
Token: SeCreatePagefilePrivilege	2148	RegSvcs.exe
Token: SeBackupPrivilege	2148	RegSvcs.exe
Token: SeRestorePrivilege	2148	RegSvcs.exe
Token: SeShutdownPrivilege	2148	RegSvcs.exe
Token: SeDebugPrivilege	2148	RegSvcs.exe
Token: SeSystemEnvironmentPrivilege	2148	RegSvcs.exe
Token: SeRemoteShutdownPrivilege	2148	RegSvcs.exe
Token: SeUndockPrivilege	2148	RegSvcs.exe
Token: SeManageVolumePrivilege	2148	RegSvcs.exe
Token: 33	2148	RegSvcs.exe
Token: 34	2148	RegSvcs.exe
Token: 35	2148	RegSvcs.exe
Token: SeIncreaseQuotaPrivilege	2148	RegSvcs.exe
Token: SeSecurityPrivilege	2148	RegSvcs.exe
Token: SeTakeOwnershipPrivilege	2148	RegSvcs.exe
Token: SeLoadDriverPrivilege	2148	RegSvcs.exe
Token: SeSystemProfilePrivilege	2148	RegSvcs.exe
Token: SeSystemtimePrivilege	2148	RegSvcs.exe
Token: SeProfSingleProcessPrivilege	2148	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	2148	RegSvcs.exe
Token: SeCreatePagefilePrivilege	2148	RegSvcs.exe
Token: SeBackupPrivilege	2148	RegSvcs.exe
Token: SeRestorePrivilege	2148	RegSvcs.exe
Token: SeShutdownPrivilege	2148	RegSvcs.exe
Token: SeDebugPrivilege	2148	RegSvcs.exe
Token: SeSystemEnvironmentPrivilege	2148	RegSvcs.exe
Token: SeRemoteShutdownPrivilege	2148	RegSvcs.exe
Token: SeUndockPrivilege	2148	RegSvcs.exe
Token: SeManageVolumePrivilege	2148	RegSvcs.exe
Token: 33	2148	RegSvcs.exe
Token: 34	2148	RegSvcs.exe
Token: 35	2148	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe

description	pid	process	target process
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe
PID 1084 wrote to memory of 2148	1084	d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe
"C:\Users\Admin\AppData\Local\Temp\d1f903b0f3cde4880408f44fcb30be784d1a1b979df7f249ad5c35e87f873790.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
#by-unknown
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1084-8-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-7-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-6-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-5-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-4-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-13-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-3-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-2-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-1-0x000000007707E000-0x000000007707F000-memory.dmp

Filesize
4KB

Download
memory/1084-0-0x0000000000400000-0x0000000000D52000-memory.dmp

Filesize
9.3MB

Download
memory/1084-12-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-11-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-14-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-10-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-9-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-16-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-17-0x0000000000400000-0x0000000000D52000-memory.dmp

Filesize
9.3MB

Download
memory/1084-18-0x0000000000400000-0x0000000000D52000-memory.dmp

Filesize
9.3MB

Download
memory/1084-34-0x0000000077070000-0x00000000770B7000-memory.dmp

Filesize
284KB

Download
memory/1084-35-0x0000000000400000-0x0000000000D52000-memory.dmp

Filesize
9.3MB

Download
memory/2148-32-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2148-30-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2148-21-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2148-28-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2148-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2148-25-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2148-24-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2148-19-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads