asyncrat | a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 19:55

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General

Target

a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
Size

73KB
MD5

d5da1e536afdda256c6b6174c4bcd705
SHA1

374dfb66e77aa5b8ad43994d587b6b58a6ccbfd7
SHA256

a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d
SHA512

77817afe1308ff0109e284faadc1a43bb17223bb43c2e12c801d753ac9b607a3a8b464683e626ea3f1b82976a034ea0d29c2ad95bb20c39b40e184245ee3b105
SSDEEP

1536:sUPQcxjTbCKGPMVme9VdQkhDIyH1bf/RmQQzcX3VclN:sUYcxjXZGPMVme9VdQgH1bfZmQQilY

Score

10^/10

asyncrat venomrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

hahahahhaa

Attributes

delay
10
install
true
install_file
keycheese.exe
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/LwwcrLg4

aes.plain

Signatures

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

VenomRAT 2 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral2/memory/3600-1-0x00000000008C0000-0x00000000008D6000-memory.dmp	VenomRAT
behavioral2/files/0x0008000000024272-14.dat	VenomRAT

Venomrat family
venomrat

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe

Executes dropped EXE 1 IoCs

pid	Process
3276	keycheese.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
34	pastebin.com
35	pastebin.com

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4780	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

pid	Process
5876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe
3276	keycheese.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
Token: SeDebugPrivilege	3276	keycheese.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3276	keycheese.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 4932	3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe	96
PID 3600 wrote to memory of 4932	3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe	96
PID 3600 wrote to memory of 4680	3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe	98
PID 3600 wrote to memory of 4680	3600	a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe	98
PID 4680 wrote to memory of 4780	4680	cmd.exe	100
PID 4680 wrote to memory of 4780	4680	cmd.exe	100
PID 4932 wrote to memory of 5876	4932	cmd.exe	101
PID 4932 wrote to memory of 5876	4932	cmd.exe	101
PID 4680 wrote to memory of 3276	4680	cmd.exe	103
PID 4680 wrote to memory of 3276	4680	cmd.exe	103

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\a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe
"C:\Users\Admin\AppData\Local\Temp\a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "keycheese" /tr '"C:\Users\Admin\AppData\Roaming\keycheese.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4932
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "keycheese" /tr '"C:\Users\Admin\AppData\Roaming\keycheese.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5876
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp90B7.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4680
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4780
- - C:\Users\Admin\AppData\Roaming\keycheese.exe
    "C:\Users\Admin\AppData\Roaming\keycheese.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp90B7.tmp.bat

Filesize
153B

MD5
69fbdc42b915a6923147833a03994101

SHA1
da80e54b5888ffc3bd7a4b9f92e6134fe9c5dceb

SHA256
e9f4a487919fd299e581b254ac01586de972ba9680120681e01bd77f4400bbad

SHA512
ba4cb1f17256a58d68fb3e20cc0bff937aaa1f2ac142db4472c90fbabe0595489b441f260e8bf75ada783cc9da65c32ac4dc17a941bfa8c8ed1db86657113c2d

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
C:\Users\Admin\AppData\Roaming\keycheese.exe

Filesize
73KB

MD5
d5da1e536afdda256c6b6174c4bcd705

SHA1
374dfb66e77aa5b8ad43994d587b6b58a6ccbfd7

SHA256
a40cc8486acef7c0969f25d913a67d6da824bb97ef9ebf48ddfe1835663af65d

SHA512
77817afe1308ff0109e284faadc1a43bb17223bb43c2e12c801d753ac9b607a3a8b464683e626ea3f1b82976a034ea0d29c2ad95bb20c39b40e184245ee3b105

Download Submit
memory/3600-0-0x00007FFAB9293000-0x00007FFAB9295000-memory.dmp

Filesize
8KB

Download
memory/3600-1-0x00000000008C0000-0x00000000008D6000-memory.dmp

Filesize
88KB

Download
memory/3600-3-0x00007FFAB9290000-0x00007FFAB9D51000-memory.dmp

Filesize
10.8MB

Download
memory/3600-4-0x00007FFAB9293000-0x00007FFAB9295000-memory.dmp

Filesize
8KB

Download
memory/3600-5-0x00007FFAB9290000-0x00007FFAB9D51000-memory.dmp

Filesize
10.8MB

Download
memory/3600-10-0x00007FFAB9290000-0x00007FFAB9D51000-memory.dmp

Filesize
10.8MB

Download
memory/3600-11-0x00007FFAB9290000-0x00007FFAB9D51000-memory.dmp

Filesize
10.8MB

Download