asyncrat | d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb

Analysis

max time kernel
148s
max time network
155s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/07/2026, 08:51

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General

Target
d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
Size 45KB
Sample260701-kr93cacs4z
SHA256 d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb
MD5 ab6b96a7bf467734bd8c65a3bfad5237
SHA1 7bee78b68652b474a0aaf4dfea5fc2c104a11790
SHA512 ff95ddbea8c7121c8e9323554c119e583b906e0fb5a808318de934be6f9d634bbdbd9e82b56100ccad982fa00f5dbfad0c03ffbed1aa8e4fcd7d07b2de51ba3d
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFOeeXK5oibbb6TN8/nPI6Wzjb8gX3iZnxE6ngQBDZEx:MuLAZTnbg2aeEqTNKA6W3bTXSZxznrdG
TLSH
T171231A003BE8812BF2BF4FB8A8F26145867AF6632603D55A1CC451DB5713FC6DA426ED
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

bbnous.com:80
bbnous.com:22
bbnous.com:8080
bbnous.com:8880
bbnous.com:2052
bbnous.com:2082
bbnous.com:2086
bbnous.com:2095
bbnous.com:443
bbnous.com:2053
bbnous.com:2083
bbnous.com:2087
bbnous.com:2096
bbnous.com:8443
www.bbnous.com:80
www.bbnous.com:22
www.bbnous.com:8080
www.bbnous.com:8880
www.bbnous.com:2052
www.bbnous.com:2082
www.bbnous.com:2086
www.bbnous.com:2095
www.bbnous.com:443
www.bbnous.com:2053
www.bbnous.com:2083
www.bbnous.com:2087
www.bbnous.com:2096
www.bbnous.com:8443
malware.bbnous.com:80
malware.bbnous.com:22
malware.bbnous.com:8080
malware.bbnous.com:8880
malware.bbnous.com:2052
malware.bbnous.com:2082
malware.bbnous.com:2086
malware.bbnous.com:2095
malware.bbnous.com:443
malware.bbnous.com:2053
malware.bbnous.com:2083
malware.bbnous.com:2087
malware.bbnous.com:2096
malware.bbnous.com:8443
mirai.bbnous.com:80
mirai.bbnous.com:22
mirai.bbnous.com:8080
mirai.bbnous.com:8880
mirai.bbnous.com:2052
mirai.bbnous.com:2082
mirai.bbnous.com:2086
mirai.bbnous.com:2095
mirai.bbnous.com:443
mirai.bbnous.com:2053
mirai.bbnous.com:2083
mirai.bbnous.com:2087
mirai.bbnous.com:2096
mirai.bbnous.com:8443
hacker.bbnous.com:80
hacker.bbnous.com:22
hacker.bbnous.com:8080
hacker.bbnous.com:8880
hacker.bbnous.com:2052
hacker.bbnous.com:2082
hacker.bbnous.com:2086
hacker.bbnous.com:2095
hacker.bbnous.com:443
hacker.bbnous.com:2053
hacker.bbnous.com:2083
hacker.bbnous.com:2087
hacker.bbnous.com:2096
hacker.bbnous.com:8443
sodinokibi.bbnous.com:80
sodinokibi.bbnous.com:22
sodinokibi.bbnous.com:8080
sodinokibi.bbnous.com:8880
sodinokibi.bbnous.com:2052
sodinokibi.bbnous.com:2082
sodinokibi.bbnous.com:2086
sodinokibi.bbnous.com:2095
sodinokibi.bbnous.com:443
sodinokibi.bbnous.com:2053
sodinokibi.bbnous.com:2083
sodinokibi.bbnous.com:2087
sodinokibi.bbnous.com:2096
sodinokibi.bbnous.com:8443

Mutex

niT4WISr1t3G

Attributes

delay
0
install
true
install_file
g9l9w.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000d00000001c6f8-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4748	g9l9w.exe
5704	g9l9w.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 7 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	g9l9w.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g9l9w.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4192	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
5616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
Token: SeDebugPrivilege	4748	g9l9w.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5732 wrote to memory of 4244	5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe	89
PID 5732 wrote to memory of 6376	5732	d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe	91
PID 4244 wrote to memory of 5616	4244	cmd.exe	93
PID 6376 wrote to memory of 4192	6376	cmd.exe	94
PID 6376 wrote to memory of 5704	6376	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe
"C:\Users\Admin\AppData\Local\Temp\d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "g9l9w" /tr '"C:\Users\Admin\AppData\Roaming\g9l9w.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "g9l9w" /tr '"C:\Users\Admin\AppData\Roaming\g9l9w.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5616
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp970B.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6376
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4192
- - C:\Users\Admin\AppData\Roaming\g9l9w.exe
    "C:\Users\Admin\AppData\Roaming\g9l9w.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5704

C:\Users\Admin\AppData\Roaming\g9l9w.exe
"C:\Users\Admin\AppData\Roaming\g9l9w.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4748

Network

MITRE ATT&CK Enterprise v16

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp970B.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp970B.tmp.bat
Size 149B
SHA256 fa00669799ce071b40e845d45b3e2faa2621128c70473d75781914bf009a3aff
MD5 80a305c8033b7c699d5852fad19fffb3
SHA1 8b6681ae79e0ff3f89d21ff8ef79c2abd35e1200
SHA512 55b6cf25ae0ba2a2f6aaf26f0ec247563656c2f9e0ab9b2e0e54b2c7a4aeee16e3d4f908a150cfcb7f63c09e53eb18868c42d2f7b7dba88321e70bb06880a40b
TLSH
T183C02B5251C5FA4E3E06546322FED5CCB2B3AC593F80BB00C344400E2680448F8D9381
MD5 SHA1 SHA512 TLSH

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g9l9w.exe

Path C:\Users\Admin\AppData\Roaming\g9l9w.exe
Size 45KB
SHA256 d3f01e2298a3e330f99fbdbf092a85d6a9dba5dc98f524a9bd55442090d0dbfb
MD5 ab6b96a7bf467734bd8c65a3bfad5237
SHA1 7bee78b68652b474a0aaf4dfea5fc2c104a11790
SHA512 ff95ddbea8c7121c8e9323554c119e583b906e0fb5a808318de934be6f9d634bbdbd9e82b56100ccad982fa00f5dbfad0c03ffbed1aa8e4fcd7d07b2de51ba3d
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFOeeXK5oibbb6TN8/nPI6Wzjb8gX3iZnxE6ngQBDZEx:MuLAZTnbg2aeEqTNKA6W3bTXSZxznrdG
TLSH
T171231A003BE8812BF2BF4FB8A8F26145867AF6632603D55A1CC451DB5713FC6DA426ED
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4748-12-0x0000000074F50000-0x000000007570C000-memory.dmp

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memory/4748-14-0x0000000074F50000-0x000000007570C000-memory.dmp

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memory/5732-0-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

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memory/5732-1-0x0000000000570000-0x0000000000582000-memory.dmp

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memory/5732-2-0x0000000074FC0000-0x000000007577C000-memory.dmp

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memory/5732-3-0x00000000050F0000-0x000000000518C000-memory.dmp

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memory/5732-8-0x0000000074FC0000-0x000000007577C000-memory.dmp

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