asyncrat | 525128218910d1c90fdb83ba56ee51c3a6f1193f844b03207086be9e45cc8d74

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 21:33

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General

Target

Client.exe
Size

78KB
MD5

d6066bc692799081bae5c8990d26e033
SHA1

132fa23d294ff19db0f3069c1ed4c9a25f6d26ac
SHA256

525128218910d1c90fdb83ba56ee51c3a6f1193f844b03207086be9e45cc8d74
SHA512

18f3e4b7d608d674f9f73ecc75a7e2f6d31b9fe5a0d8b897d5b859af9df2c30b8dda9ee23e75b74adad4a6ab7557ea537602b9aafe75edd6efb8241c6266033f
SSDEEP

1536:PNPowcWRJ16Gk3A3R7XBWyz5iq8mzcD1btS3Xbx:PNPHc+HqAVX7imYD1btc9

Score

10^/10

asyncrat venomrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

147.185.221.24:61807

Mutex

rngirvxectk

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

VenomRAT 1 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral1/memory/2876-1-0x0000000000880000-0x000000000089A000-memory.dmp	VenomRAT

Venomrat family
venomrat
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

System Location Discovery: System Language Discovery 1 TTPs 1 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	Client.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe
2876	Client.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	Client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2876	Client.exe

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab739C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar87DA.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2876-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2876-1-0x0000000000880000-0x000000000089A000-memory.dmp

Filesize
104KB

Download
memory/2876-3-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-4-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-39-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2876-40-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-41-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download