asyncrat | 246229260c7e76ec89aac6111b8eff0c843e9e9044c518fe16830ae37ec3c0ce

General

Target

3c0d368d28b89e894e6b568435b7e730N.exe
Size

3.0MB
MD5

3c0d368d28b89e894e6b568435b7e730
SHA1

201419762e874bd24bbefd0dc4e896694432f3a0
SHA256

246229260c7e76ec89aac6111b8eff0c843e9e9044c518fe16830ae37ec3c0ce
SHA512

43d875cc04575ca5bd53bf86ce81082ee848be757da5625e844f7335ffcc7808dd1251e60fded9df564be7e9f9bde42b66b6ccde99b6fd4c8cf7550064df6182
SSDEEP

49152:/r2d6pm/od2TOp/N63fNluPsd3Teg47/OhuGzrI1RgapIqYzC6aQD0+WmQXC/z/:6aErT6/N6PsY0zODzrFapfYzk+Wjgz

Score

10^/10

asyncrat default defense_evasion discovery evasion rat trojan

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

mcehonline-48304.portmap.io:48304

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
true
install_file
systems.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\edius.exe	family_asyncrat

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

3c0d368d28b89e894e6b568435b7e730N.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3c0d368d28b89e894e6b568435b7e730N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3c0d368d28b89e894e6b568435b7e730N.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:

3c0d368d28b89e894e6b568435b7e730N.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3c0d368d28b89e894e6b568435b7e730N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3c0d368d28b89e894e6b568435b7e730N.exe

Executes dropped EXE 5 IoCs

Processes:

Edius Lisance Activation.exeedius.exeEdius ( N C S ).exeEdius ( N C S )-original.exesystems.exe

pid process

2720 Edius Lisance Activation.exe
2792 edius.exe
2856 Edius ( N C S ).exe
2668 Edius ( N C S )-original.exe
2496 systems.exe
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

3c0d368d28b89e894e6b568435b7e730N.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Wine 3c0d368d28b89e894e6b568435b7e730N.exe

pid	process
2720	Edius Lisance Activation.exe
2792	edius.exe
2856	Edius ( N C S ).exe
2668	Edius ( N C S )-original.exe
2496	systems.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Wine	3c0d368d28b89e894e6b568435b7e730N.exe

Loads dropped DLL 7 IoCs

Processes:

3c0d368d28b89e894e6b568435b7e730N.exeEdius Lisance Activation.exe

pid	process
2968	3c0d368d28b89e894e6b568435b7e730N.exe
2968	3c0d368d28b89e894e6b568435b7e730N.exe
2968	3c0d368d28b89e894e6b568435b7e730N.exe
2720	Edius Lisance Activation.exe
2720	Edius Lisance Activation.exe
2720	Edius Lisance Activation.exe
2720	Edius Lisance Activation.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

3c0d368d28b89e894e6b568435b7e730N.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3c0d368d28b89e894e6b568435b7e730N.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

3c0d368d28b89e894e6b568435b7e730N.exe

pid process

2968 3c0d368d28b89e894e6b568435b7e730N.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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:

3c0d368d28b89e894e6b568435b7e730N.exeEdius Lisance Activation.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c0d368d28b89e894e6b568435b7e730N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Edius Lisance Activation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

344 timeout.exe
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

1920 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

3c0d368d28b89e894e6b568435b7e730N.exepowershell.exeEdius ( N C S ).exeedius.exe

pid process

2968 3c0d368d28b89e894e6b568435b7e730N.exe
2684 powershell.exe
2856 Edius ( N C S ).exe
2792 edius.exe
2792 edius.exe
2792 edius.exe

pid	process
344	timeout.exe

pid	process
1920	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeEdius ( N C S ).exeedius.exesystems.exe

description	pid	process
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	2856	Edius ( N C S ).exe
Token: SeDebugPrivilege	2792	edius.exe
Token: SeDebugPrivilege	2496	systems.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

3c0d368d28b89e894e6b568435b7e730N.exeEdius Lisance Activation.exeEdius ( N C S ).exeedius.execmd.execmd.exe

description	pid	process	target process
PID 2968 wrote to memory of 2684	2968	3c0d368d28b89e894e6b568435b7e730N.exe	powershell.exe
PID 2968 wrote to memory of 2684	2968	3c0d368d28b89e894e6b568435b7e730N.exe	powershell.exe
PID 2968 wrote to memory of 2684	2968	3c0d368d28b89e894e6b568435b7e730N.exe	powershell.exe
PID 2968 wrote to memory of 2684	2968	3c0d368d28b89e894e6b568435b7e730N.exe	powershell.exe
PID 2968 wrote to memory of 2720	2968	3c0d368d28b89e894e6b568435b7e730N.exe	Edius Lisance Activation.exe
PID 2968 wrote to memory of 2720	2968	3c0d368d28b89e894e6b568435b7e730N.exe	Edius Lisance Activation.exe
PID 2968 wrote to memory of 2720	2968	3c0d368d28b89e894e6b568435b7e730N.exe	Edius Lisance Activation.exe
PID 2968 wrote to memory of 2720	2968	3c0d368d28b89e894e6b568435b7e730N.exe	Edius Lisance Activation.exe
PID 2968 wrote to memory of 2792	2968	3c0d368d28b89e894e6b568435b7e730N.exe	edius.exe
PID 2968 wrote to memory of 2792	2968	3c0d368d28b89e894e6b568435b7e730N.exe	edius.exe
PID 2968 wrote to memory of 2792	2968	3c0d368d28b89e894e6b568435b7e730N.exe	edius.exe
PID 2968 wrote to memory of 2792	2968	3c0d368d28b89e894e6b568435b7e730N.exe	edius.exe
PID 2720 wrote to memory of 2856	2720	Edius Lisance Activation.exe	Edius ( N C S ).exe
PID 2720 wrote to memory of 2856	2720	Edius Lisance Activation.exe	Edius ( N C S ).exe
PID 2720 wrote to memory of 2856	2720	Edius Lisance Activation.exe	Edius ( N C S ).exe
PID 2720 wrote to memory of 2856	2720	Edius Lisance Activation.exe	Edius ( N C S ).exe
PID 2856 wrote to memory of 2668	2856	Edius ( N C S ).exe	Edius ( N C S )-original.exe
PID 2856 wrote to memory of 2668	2856	Edius ( N C S ).exe	Edius ( N C S )-original.exe
PID 2856 wrote to memory of 2668	2856	Edius ( N C S ).exe	Edius ( N C S )-original.exe
PID 2792 wrote to memory of 1484	2792	edius.exe	cmd.exe
PID 2792 wrote to memory of 1484	2792	edius.exe	cmd.exe
PID 2792 wrote to memory of 1484	2792	edius.exe	cmd.exe
PID 2792 wrote to memory of 1700	2792	edius.exe	cmd.exe
PID 2792 wrote to memory of 1700	2792	edius.exe	cmd.exe
PID 2792 wrote to memory of 1700	2792	edius.exe	cmd.exe
PID 1484 wrote to memory of 1920	1484	cmd.exe	schtasks.exe
PID 1484 wrote to memory of 1920	1484	cmd.exe	schtasks.exe
PID 1484 wrote to memory of 1920	1484	cmd.exe	schtasks.exe
PID 1700 wrote to memory of 344	1700	cmd.exe	timeout.exe
PID 1700 wrote to memory of 344	1700	cmd.exe	timeout.exe
PID 1700 wrote to memory of 344	1700	cmd.exe	timeout.exe
PID 1700 wrote to memory of 2496	1700	cmd.exe	systems.exe
PID 1700 wrote to memory of 2496	1700	cmd.exe	systems.exe
PID 1700 wrote to memory of 2496	1700	cmd.exe	systems.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\3c0d368d28b89e894e6b568435b7e730N.exe
"C:\Users\Admin\AppData\Local\Temp\3c0d368d28b89e894e6b568435b7e730N.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHAAdgB6ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHAAcgBpACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGcAawBoACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHgAcwB5ACMAPgA="
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2684

C:\Users\Admin\AppData\Local\Temp\Edius Lisance Activation.exe
"C:\Users\Admin\AppData\Local\Temp\Edius Lisance Activation.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720

C:\Users\Admin\AppData\Local\Temp\ckz_7UMI\Edius ( N C S ).exe
"C:\Users\Admin\AppData\Local\Temp\ckz_7UMI\Edius ( N C S ).exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856

C:\Users\Admin\AppData\Local\Temp\ckz_7UMI\Edius ( N C S )-original.exe
"C:\Users\Admin\AppData\Local\Temp\ckz_7UMI\Edius ( N C S )-original.exe"
4⤵
- Executes dropped EXE
PID:2668

C:\Users\Admin\AppData\Local\Temp\edius.exe
"C:\Users\Admin\AppData\Local\Temp\edius.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "systems" /tr '"C:\Users\Admin\AppData\Roaming\systems.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "systems" /tr '"C:\Users\Admin\AppData\Roaming\systems.exe"'
4⤵
- Scheduled Task/Job: Scheduled Task
PID:1920

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpB0D8.tmp.bat""
3⤵
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\system32\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:344

C:\Users\Admin\AppData\Roaming\systems.exe
"C:\Users\Admin\AppData\Roaming\systems.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Obfuscated Files or Information

1

T1027

Command Obfuscation

1

T1027.010

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Edius Lisance Activation.exe

Filesize
800KB

MD5
a089f33be71d405c7b685959bf8f1ec5

SHA1
4f643ec951b8f6d3ef2cf43057f4ab1bcdf3f95f

SHA256
b182cff2f31aa116e9842b3eead80550d7192c3feb3e10654a80ea7ce03e8ea6

SHA512
3db359840face4c876a8849fe7b19432e246874d307618602360807550515344f9aaa8c99838bb088fcd9e3516957b451301e3db57b6620cd317080e6d6776a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\ckz_7UMI\Edius ( N C S )-original.exe

Filesize
389KB

MD5
bf08d76373074130cf20e49e44eb953d

SHA1
ceb331e5fd002e07b6fc941fe3139cd419d6ffa0

SHA256
2cdf94b7b0216a5a83aae835f5b9419e5294853c674483705b83e7373f785f91

SHA512
10246ceba7af5ea164d022229c70443eed7f8ca3efbbf9a3b4e1755365a5a27e126dd7d45e82c596072d8c971520abf4c58fe270396f407496841ba888001b68

Download Submit
C:\Users\Admin\AppData\Local\Temp\ckz_7UMI\Edius ( N C S ).exe

Filesize
6KB

MD5
9a205daf40416734ec489ca23a9d11c8

SHA1
8319c316cafda619192d802163fc25c135633c61

SHA256
c17a392df3d8d2a09a8fcd0d14bde2d092b9bfcf9e7159924861eda1cf8257b1

SHA512
6f06929c4f73ae505dcaeebbd0163af4b798e5144c5d535e8b42a5d9b40e9707864f3cc0d3d5cb981b6ee163e0b80c7d1253210922b73ce62df4d281fbebfdbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\edius.exe

Filesize
47KB

MD5
760c6041134e80eb0a7c9f31ea39391f

SHA1
acaaff5eee05faf1842c36048b7fa30351a35ad6

SHA256
b584138861ddc6da039cf28f8f16987095ddac24c10e9554a1facd8875436079

SHA512
4d7167a19e1a9df47a761023ab71c7339d676d95e3ad9a3f1e5af86e6f522b0629df16e72768dd680313ff12d8ec448ab1f1f603e84b033d27314b5e4d67cfb9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB0D8.tmp.bat

Filesize
151B

MD5
b3ba013ea8bc418aebec6fadd09767ee

SHA1
515b61515d21864dff2d5ac226305ca82e3f6300

SHA256
e7d61d5cd8420992b009674c0b6c8ead200f85e1bd8a5692d4ee93b86528c360

SHA512
8b250b86d38017d2cacb6573d978728d14451f1b2b5638ba523a698e2cacf9618912b1ef6732353ecc29b5eccffe3a3122a80832c7bedb219310c183ff30a505

Download Submit
memory/2496-56-0x0000000000850000-0x0000000000862000-memory.dmp

Filesize
72KB

Download
memory/2668-42-0x00000000008A0000-0x000000000090A000-memory.dmp

Filesize
424KB

Download
memory/2668-43-0x00000000004B0000-0x0000000000500000-memory.dmp

Filesize
320KB

Download
memory/2792-39-0x0000000000AE0000-0x0000000000AF2000-memory.dmp

Filesize
72KB

Download
memory/2856-38-0x0000000000360000-0x0000000000368000-memory.dmp

Filesize
32KB

Download
memory/2968-4-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download
memory/2968-2-0x0000000000401000-0x00000000004B3000-memory.dmp

Filesize
712KB

Download
memory/2968-1-0x0000000077540000-0x0000000077542000-memory.dmp

Filesize
8KB

Download
memory/2968-0-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads