asyncrat | 8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/07/2026, 12:07

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General

Target
8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
Size 45KB
Sample260710-palewact4z
SHA256 8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f
MD5 f08bd14907e680b3b2e5d797486008b2
SHA1 99f01a3fc0c22dd670dc7328504d897af266c7c1
SHA512 b981254baae7259c8d54fa152262d51edb6727cfe4219f390e00b2d06ea459b3bcd028c0daa8c1841df3a8826c155df00dd397138d1365ee182219cfce03eaf5
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9TZo3TMtPIQOjbJgX3isAwMOgZBDZsx:EulCJTHl42sU3QibGXS5widsx
TLSH
T1DC231A0037E8812BF2BE5B78ADF26145467AF6673603D68D2CC4419B5623FC68A426FD
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

phimsexvn.work:80
phimsexvn.work:22
phimsexvn.work:8080
phimsexvn.work:8880
phimsexvn.work:2052
phimsexvn.work:2082
phimsexvn.work:2086
phimsexvn.work:2095
phimsexvn.work:443
phimsexvn.work:2053
phimsexvn.work:2083
phimsexvn.work:2087
phimsexvn.work:2096
phimsexvn.work:8443
www.phimsexvn.work:80
www.phimsexvn.work:22
www.phimsexvn.work:8080
www.phimsexvn.work:8880
www.phimsexvn.work:2052
www.phimsexvn.work:2082
www.phimsexvn.work:2086
www.phimsexvn.work:2095
www.phimsexvn.work:443
www.phimsexvn.work:2053
www.phimsexvn.work:2083
www.phimsexvn.work:2087
www.phimsexvn.work:2096
www.phimsexvn.work:8443
industroyer.phimsexvn.work:80
industroyer.phimsexvn.work:22
industroyer.phimsexvn.work:8080
industroyer.phimsexvn.work:8880
industroyer.phimsexvn.work:2052
industroyer.phimsexvn.work:2082
industroyer.phimsexvn.work:2086
industroyer.phimsexvn.work:2095
industroyer.phimsexvn.work:443
industroyer.phimsexvn.work:2053
industroyer.phimsexvn.work:2083
industroyer.phimsexvn.work:2087
industroyer.phimsexvn.work:2096
industroyer.phimsexvn.work:8443
connect.phimsexvn.work:80
connect.phimsexvn.work:22
connect.phimsexvn.work:8080
connect.phimsexvn.work:8880
connect.phimsexvn.work:2052
connect.phimsexvn.work:2082
connect.phimsexvn.work:2086
connect.phimsexvn.work:2095
connect.phimsexvn.work:443
connect.phimsexvn.work:2053
connect.phimsexvn.work:2083
connect.phimsexvn.work:2087
connect.phimsexvn.work:2096
connect.phimsexvn.work:8443
lokibot.phimsexvn.work:80
lokibot.phimsexvn.work:22
lokibot.phimsexvn.work:8080
lokibot.phimsexvn.work:8880
lokibot.phimsexvn.work:2052
lokibot.phimsexvn.work:2082
lokibot.phimsexvn.work:2086
lokibot.phimsexvn.work:2095
lokibot.phimsexvn.work:443
lokibot.phimsexvn.work:2053
lokibot.phimsexvn.work:2083
lokibot.phimsexvn.work:2087
lokibot.phimsexvn.work:2096
lokibot.phimsexvn.work:8443

Mutex

zzVXougtfck3

Attributes

delay
0
install
true
install_file
c2k47b.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/0x000e00000001c5b8-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1304	c2k47b.exe
3408	c2k47b.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	c2k47b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.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	c2k47b.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
6108	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
4852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
Token: SeDebugPrivilege	1304	c2k47b.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5704 wrote to memory of 1416	5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe	87
PID 5704 wrote to memory of 5684	5704	8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe	89
PID 1416 wrote to memory of 4852	1416	cmd.exe	91
PID 5684 wrote to memory of 6108	5684	cmd.exe	92
PID 5684 wrote to memory of 3408	5684	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe
"C:\Users\Admin\AppData\Local\Temp\8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "c2k47b" /tr '"C:\Users\Admin\AppData\Roaming\c2k47b.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "c2k47b" /tr '"C:\Users\Admin\AppData\Roaming\c2k47b.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4852
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp50A7.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5684
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:6108
- - C:\Users\Admin\AppData\Roaming\c2k47b.exe
    "C:\Users\Admin\AppData\Roaming\c2k47b.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3408

C:\Users\Admin\AppData\Roaming\c2k47b.exe
"C:\Users\Admin\AppData\Roaming\c2k47b.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1304

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

tmp50A7.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp50A7.tmp.bat
Size 150B
SHA256 37e54e7ed94578404dcd8b5456de4c2cf6bb6fdd5017734d103ea38d2d19c417
MD5 e932a0211c3e86a5227063a9757c79ce
SHA1 9c57adcd893be384d77f8964fbedc2097106c00b
SHA512 b5f9bca9310b0b9c837326216ea05023db1cebbbd55dde1f1d7acc895d7fb8ee7861ceeaca44f966b2ecc4bbd9550595923f10ec83b947a3ad5e158a167ac04e
TLSH
T19BC02B5351C6EB0E2809141302FAD98E92B6AC9A3F40BF50C784440E6281448F0E9385
MD5 SHA1 SHA512 TLSH

Submit Download

c2k47b.exe

Path C:\Users\Admin\AppData\Roaming\c2k47b.exe
Size 45KB
SHA256 8f2a5687db650060affa825f1d707ab4ce28593744b0836d243b4b915b08831f
MD5 f08bd14907e680b3b2e5d797486008b2
SHA1 99f01a3fc0c22dd670dc7328504d897af266c7c1
SHA512 b981254baae7259c8d54fa152262d51edb6727cfe4219f390e00b2d06ea459b3bcd028c0daa8c1841df3a8826c155df00dd397138d1365ee182219cfce03eaf5
SSDEEP 768:EulCJTHESwgWUK3aGmo2q9TZo3TMtPIQOjbJgX3isAwMOgZBDZsx:EulCJTHl42sU3QibGXS5widsx
TLSH
T1DC231A0037E8812BF2BE5B78ADF26145467AF6673603D68D2CC4419B5623FC68A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1304-12-0x0000000074A00000-0x00000000751BC000-memory.dmp

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memory/1304-14-0x0000000074A00000-0x00000000751BC000-memory.dmp

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memory/5704-0-0x0000000074B82000-0x0000000074B83000-memory.dmp

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memory/5704-1-0x00000000007E0000-0x00000000007F2000-memory.dmp

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memory/5704-2-0x0000000074B70000-0x000000007532C000-memory.dmp

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memory/5704-3-0x0000000005360000-0x00000000053FC000-memory.dmp

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memory/5704-8-0x0000000074B70000-0x000000007532C000-memory.dmp

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