asyncrat | 4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053

Analysis

max time kernel
148s
max time network
149s
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, 14:28

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General

Target
4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
Size 45KB
Sample260701-rtcceshz91
SHA256 4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053
MD5 06e3e5fcd242223c15d85c8a1657f4fc
SHA1 69340143c91297090733addda77677e10e03d1ce
SHA512 b9414402183643f07a82f565873998e8c3cac0a1658dfd90625774724313393d52583856f060de16ec125217a5341049c8d09b42a6d90f76540bacc5fc6c6605
SSDEEP 768:Iu5KkpTsU6Q8WU+xjamo2q1RxJaxjwHuPI+zjbTgi3i449XGK0WluBDZLx:Iu5KkpTsx/24e+3+3bMiS4hRdLx
TLSH
T1D0233B003BE8852BF2BE4F7898F26145867AF2673603D5492CC451DB5723FC69A426FE
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

sexzz.cc:80
sexzz.cc:22
sexzz.cc:8080
sexzz.cc:8880
sexzz.cc:2052
sexzz.cc:2082
sexzz.cc:2086
sexzz.cc:2095
sexzz.cc:443
sexzz.cc:2053
sexzz.cc:2083
sexzz.cc:2087
sexzz.cc:2096
sexzz.cc:8443
www.sexzz.cc:80
www.sexzz.cc:22
www.sexzz.cc:8080
www.sexzz.cc:8880
www.sexzz.cc:2052
www.sexzz.cc:2082
www.sexzz.cc:2086
www.sexzz.cc:2095
www.sexzz.cc:443
www.sexzz.cc:2053
www.sexzz.cc:2083
www.sexzz.cc:2087
www.sexzz.cc:2096
www.sexzz.cc:8443
qakbot.sexzz.cc:80
qakbot.sexzz.cc:22
qakbot.sexzz.cc:8080
qakbot.sexzz.cc:8880
qakbot.sexzz.cc:2052
qakbot.sexzz.cc:2082
qakbot.sexzz.cc:2086
qakbot.sexzz.cc:2095
qakbot.sexzz.cc:443
qakbot.sexzz.cc:2053
qakbot.sexzz.cc:2083
qakbot.sexzz.cc:2087
qakbot.sexzz.cc:2096
qakbot.sexzz.cc:8443
locky.sexzz.cc:80
locky.sexzz.cc:22
locky.sexzz.cc:8080
locky.sexzz.cc:8880
locky.sexzz.cc:2052
locky.sexzz.cc:2082
locky.sexzz.cc:2086
locky.sexzz.cc:2095
locky.sexzz.cc:443
locky.sexzz.cc:2053
locky.sexzz.cc:2083
locky.sexzz.cc:2087
locky.sexzz.cc:2096
locky.sexzz.cc:8443

Mutex

Af2Ac41U3k1G

Attributes

delay
0
install
true
install_file
0bx6rrvi.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/0x000e00000001c58d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1400	0bx6rrvi.exe
1080	0bx6rrvi.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	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0bx6rrvi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0bx6rrvi.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2744	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
2732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
Token: SeDebugPrivilege	1400	0bx6rrvi.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 6072	2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe	88
PID 2616 wrote to memory of 3904	2616	4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe	89
PID 6072 wrote to memory of 2732	6072	cmd.exe	92
PID 3904 wrote to memory of 2744	3904	cmd.exe	93
PID 3904 wrote to memory of 1080	3904	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe
"C:\Users\Admin\AppData\Local\Temp\4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "0bx6rrvi" /tr '"C:\Users\Admin\AppData\Roaming\0bx6rrvi.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6072
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "0bx6rrvi" /tr '"C:\Users\Admin\AppData\Roaming\0bx6rrvi.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2732
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp457B.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3904
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2744
- - C:\Users\Admin\AppData\Roaming\0bx6rrvi.exe
    "C:\Users\Admin\AppData\Roaming\0bx6rrvi.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1080

C:\Users\Admin\AppData\Roaming\0bx6rrvi.exe
"C:\Users\Admin\AppData\Roaming\0bx6rrvi.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1400

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

tmp457B.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp457B.tmp.bat
Size 152B
SHA256 713a5ec92e5bbe3374dec55776af5774a2fc1c38acb1996779aaeba7ac727ca1
MD5 53adf6e1f983841da8297779f553b64e
SHA1 5627da5d534e3da367f17ba0b1584130fe1a37b6
SHA512 78be404b08d020ca57aefe1bde4e5dfe36c847e7e7c6bf8fd8af206f297a2266ec7e9fabb1f50fc405d70aafb91bef3e73314946f3d20ee457f43566fd2336b9
TLSH
T183C02B4351CAEA1E2A0D24131BFAD9CC91727D1D3F84FB10D384504D5280C88F4DA341
MD5 SHA1 SHA512 TLSH

Submit Download

0bx6rrvi.exe

Path C:\Users\Admin\AppData\Roaming\0bx6rrvi.exe
Size 45KB
SHA256 4cda3b920ec9fc8acf6f740fd1b35f0c3a74188c5c3a6e807812ded8bfe01053
MD5 06e3e5fcd242223c15d85c8a1657f4fc
SHA1 69340143c91297090733addda77677e10e03d1ce
SHA512 b9414402183643f07a82f565873998e8c3cac0a1658dfd90625774724313393d52583856f060de16ec125217a5341049c8d09b42a6d90f76540bacc5fc6c6605
SSDEEP 768:Iu5KkpTsU6Q8WU+xjamo2q1RxJaxjwHuPI+zjbTgi3i449XGK0WluBDZLx:Iu5KkpTsx/24e+3+3bMiS4hRdLx
TLSH
T1D0233B003BE8852BF2BE4F7898F26145867AF2673603D5492CC451DB5723FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1400-12-0x00000000748E0000-0x000000007509C000-memory.dmp

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memory/1400-14-0x00000000748E0000-0x000000007509C000-memory.dmp

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memory/2616-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

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memory/2616-1-0x0000000000F00000-0x0000000000F12000-memory.dmp

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memory/2616-2-0x0000000074A50000-0x000000007520C000-memory.dmp

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memory/2616-3-0x0000000005A00000-0x0000000005A9C000-memory.dmp

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memory/2616-8-0x0000000074A50000-0x000000007520C000-memory.dmp

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