asyncrat | 477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96

General

Target

477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe
Size

7.5MB
MD5

947eabafe59955146fdb714a09e74896
SHA1

a229cea1a129676f7b7c3c7bc80a28e9c22268aa
SHA256

477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96
SHA512

814a1ed776ae4dbff873cb61e72cad9b71fd8f813e38b203b7a68f351627685320aadaccfee160d2faa2f2867c492ce2428d0331aebfed6eacdc950b618a1e98
SSDEEP

196608:TOIe9o8SdDSPvb9FLZmFZKPzs+l8By5k4SFn0r:yHm8Sd0FNm+bs2C4yn0r

Score

10^/10

asyncrat venom clients defense_evasion discovery rat trojan

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

178.117.80.225:3998

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

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
Asyncrat family
asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x000b00000001227d-2.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2744	Client.exe
2680	RobloxPlayerInstaller (2).exe

Loads dropped DLL 2 IoCs

pid	Process
2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe
2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RobloxPlayerInstaller (2).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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RobloxPlayerInstaller (2).exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	RobloxPlayerInstaller (2).exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardManufacturer	RobloxPlayerInstaller (2).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	Client.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2744	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	30
PID 2648 wrote to memory of 2744	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	30
PID 2648 wrote to memory of 2744	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	30
PID 2648 wrote to memory of 2744	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	30
PID 2648 wrote to memory of 2680	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	31
PID 2648 wrote to memory of 2680	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	31
PID 2648 wrote to memory of 2680	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	31
PID 2648 wrote to memory of 2680	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	31
PID 2648 wrote to memory of 2680	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	31
PID 2648 wrote to memory of 2680	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	31
PID 2648 wrote to memory of 2680	2648	477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe	31

C:\Users\Admin\AppData\Local\Temp\477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe
"C:\Users\Admin\AppData\Local\Temp\477f89cc7690210c0e3f3cee9f562708092b3770539367555ecd2b84b2699a96.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\Client.exe
  "C:\Users\Admin\AppData\Local\Temp\Client.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller (2).exe
  "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller (2).exe"
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\Client.exe

Filesize
63KB

MD5
065916df76a29b60fae9879d48f6a23c

SHA1
39955f523f47653e72758e4a504ba2b28f65ae67

SHA256
281246ed2415cc6b47bdaa3af0910a7f0fc97a854e4b146a88469b97225bda9b

SHA512
dbf17e5ed7cc22b80ccc2626dc33206d207432bc18693e51d7ecf86a93b2a8ebfc25842fecdbe69d1379bc3218f4a0017dd75bb5abc60e244465d37a15abb133

Download Submit
\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller (2).exe

Filesize
7.4MB

MD5
443df84258f3cc21efb5ad185ed2fe4f

SHA1
22dc3b0c04ff55dca5a93856a1ff30cea6e5e7e8

SHA256
b982252fef5780ca193d07fb2754f721ef7869c2d583a09217b8d3c1e6d2ef49

SHA512
1e82a58c1ea297f761d4e1f85f45d16aa91d71bddc9df539c5e19e04f714f19353258337d6640b3c9bc51a77ed4fc2bffd0aa40102ec69eb30b01af859c5a1e0

Download Submit
memory/2744-8-0x000007FEF6233000-0x000007FEF6234000-memory.dmp

Filesize
4KB

Download
memory/2744-13-0x0000000000270000-0x0000000000286000-memory.dmp

Filesize
88KB

Download
memory/2744-29-0x000007FEF6233000-0x000007FEF6234000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads