asyncrat | 2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79

Analysis

max time kernel
148s
max time network
152s
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, 08:46

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General

Target
2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
Size 45KB
Sample260701-kphkbab19t
SHA256 2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79
MD5 188e6852f55cd6027c6db186be262501
SHA1 335046d814861f7dc7f9d1d6b177024d2c55103a
SHA512 ad9c31c097ce755222c4d7814754fa792cbb8b77df0d013c5624338403487a1eeb35f63f46b83ec443560ea497caefd49a2a10ed02bdc792a6ce244bf96ff1a6
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVOT9Qpm9PITzjb9gX3iIfeGKOHrTgfZYVxBDZkx:suJdpTPdI2ZQT3bqXS5EHg2dkx
TLSH
T163233B103BE8C23BF2BE4F7898F26145467AF6632603D5492CC451DB5623FC69A426FE
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

phimsexchaua.net:80
phimsexchaua.net:22
phimsexchaua.net:8080
phimsexchaua.net:8880
phimsexchaua.net:2052
phimsexchaua.net:2082
phimsexchaua.net:2086
phimsexchaua.net:2095
phimsexchaua.net:443
phimsexchaua.net:2053
phimsexchaua.net:2083
phimsexchaua.net:2087
phimsexchaua.net:2096
phimsexchaua.net:8443
www.phimsexchaua.net:80
www.phimsexchaua.net:22
www.phimsexchaua.net:8080
www.phimsexchaua.net:8880
www.phimsexchaua.net:2052
www.phimsexchaua.net:2082
www.phimsexchaua.net:2086
www.phimsexchaua.net:2095
www.phimsexchaua.net:443
www.phimsexchaua.net:2053
www.phimsexchaua.net:2083
www.phimsexchaua.net:2087
www.phimsexchaua.net:2096
www.phimsexchaua.net:8443
malware.phimsexchaua.net:80
malware.phimsexchaua.net:22
malware.phimsexchaua.net:8080
malware.phimsexchaua.net:8880
malware.phimsexchaua.net:2052
malware.phimsexchaua.net:2082
malware.phimsexchaua.net:2086
malware.phimsexchaua.net:2095
malware.phimsexchaua.net:443
malware.phimsexchaua.net:2053
malware.phimsexchaua.net:2083
malware.phimsexchaua.net:2087
malware.phimsexchaua.net:2096
malware.phimsexchaua.net:8443
cryptolocker.phimsexchaua.net:80
cryptolocker.phimsexchaua.net:22
cryptolocker.phimsexchaua.net:8080
cryptolocker.phimsexchaua.net:8880
cryptolocker.phimsexchaua.net:2052
cryptolocker.phimsexchaua.net:2082
cryptolocker.phimsexchaua.net:2086
cryptolocker.phimsexchaua.net:2095
cryptolocker.phimsexchaua.net:443
cryptolocker.phimsexchaua.net:2053
cryptolocker.phimsexchaua.net:2083
cryptolocker.phimsexchaua.net:2087
cryptolocker.phimsexchaua.net:2096
cryptolocker.phimsexchaua.net:8443

Mutex

hOoC5UXTkPzD

Attributes

delay
0
install
true
install_file
b5iae4y4.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/0x0008000000016d03-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1808	b5iae4y4.exe
3240	b5iae4y4.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	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.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	b5iae4y4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5iae4y4.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
708	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
2240	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
Token: SeDebugPrivilege	1808	b5iae4y4.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 3340	4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe	88
PID 4152 wrote to memory of 2096	4152	2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe	89
PID 3340 wrote to memory of 2240	3340	cmd.exe	92
PID 2096 wrote to memory of 708	2096	cmd.exe	93
PID 2096 wrote to memory of 3240	2096	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe
"C:\Users\Admin\AppData\Local\Temp\2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "b5iae4y4" /tr '"C:\Users\Admin\AppData\Roaming\b5iae4y4.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3340
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "b5iae4y4" /tr '"C:\Users\Admin\AppData\Roaming\b5iae4y4.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2240
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6150.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:708
- - C:\Users\Admin\AppData\Roaming\b5iae4y4.exe
    "C:\Users\Admin\AppData\Roaming\b5iae4y4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3240

C:\Users\Admin\AppData\Roaming\b5iae4y4.exe
"C:\Users\Admin\AppData\Roaming\b5iae4y4.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1808

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

tmp6150.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6150.tmp.bat
Size 152B
SHA256 4c9176e4bca0f8055e7620ef88aed959e22c90274ae448b89fc3dc7d79d8f3d9
MD5 1842a82c6b6414f23fcb0ebabd309a56
SHA1 cd9c1ec3999b2d886aa7a02503782b154cfa0a61
SHA512 bed7d9b36f2dd9db645a099c2a4385bcec11e9d89681efb443e9e2371c235c3906e0a4d20f2d5cfe4af988d8988aabe5a8ca7049ef632df198a3f9f1ecaeac92
TLSH
T1A6C02B5395C5EE4E6805585707FBD9CDD2B2AC193F40BB40C7C4541E528044CF8E9345
MD5 SHA1 SHA512 TLSH

Submit Download

b5iae4y4.exe

Path C:\Users\Admin\AppData\Roaming\b5iae4y4.exe
Size 45KB
SHA256 2d67f313dc453d8b131d46f35053ddb0003e864348e22ddbf33e778fd84a4b79
MD5 188e6852f55cd6027c6db186be262501
SHA1 335046d814861f7dc7f9d1d6b177024d2c55103a
SHA512 ad9c31c097ce755222c4d7814754fa792cbb8b77df0d013c5624338403487a1eeb35f63f46b83ec443560ea497caefd49a2a10ed02bdc792a6ce244bf96ff1a6
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVOT9Qpm9PITzjb9gX3iIfeGKOHrTgfZYVxBDZkx:suJdpTPdI2ZQT3bqXS5EHg2dkx
TLSH
T163233B103BE8C23BF2BE4F7898F26145467AF6632603D5492CC451DB5623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1808-12-0x0000000074FE0000-0x000000007579C000-memory.dmp

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memory/1808-14-0x0000000074FE0000-0x000000007579C000-memory.dmp

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memory/4152-0-0x0000000075162000-0x0000000075163000-memory.dmp

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memory/4152-1-0x0000000000920000-0x0000000000932000-memory.dmp

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memory/4152-2-0x0000000075150000-0x000000007590C000-memory.dmp

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memory/4152-3-0x0000000005520000-0x00000000055BC000-memory.dmp

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memory/4152-8-0x0000000075150000-0x000000007590C000-memory.dmp

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