asyncrat | 2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 16:18

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General

Target
2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
Size 45KB
Sample260718-tryhzsax2x
SHA256 2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea
MD5 5734d7e5b49136ef6205756fda052a54
SHA1 95230cd6792b8a66baa40268d2487f62fa2e1b87
SHA512 1cfaa4d4023a716a31fe81dfcc478b6299e5dcc8523784866a87b7bc5b82686ce67b9a6f71aa9217cdb1f8259bf2c2e6ecc0bfb92dd23a4ee0472a8c11a06474
SSDEEP 768:EulCJTHESwgWUK3aGmo2q96DEbHB0jrOPI/izjb6gX3iJEPTo6pJLcNWE8gBDZsx:EulCJTHl42FySf3/i3btXSCNcNbdsx
TLSH
T1D72309003BE8813BF2BE4F7899F26145867AF6733603D54A1CC4519B5723BC69A426FE
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.mobi:80
phimsexvn.mobi:22
phimsexvn.mobi:8080
phimsexvn.mobi:8880
phimsexvn.mobi:2052
phimsexvn.mobi:2082
phimsexvn.mobi:2086
phimsexvn.mobi:2095
phimsexvn.mobi:443
phimsexvn.mobi:2053
phimsexvn.mobi:2083
phimsexvn.mobi:2087
phimsexvn.mobi:2096
phimsexvn.mobi:8443
www.phimsexvn.mobi:80
www.phimsexvn.mobi:22
www.phimsexvn.mobi:8080
www.phimsexvn.mobi:8880
www.phimsexvn.mobi:2052
www.phimsexvn.mobi:2082
www.phimsexvn.mobi:2086
www.phimsexvn.mobi:2095
www.phimsexvn.mobi:443
www.phimsexvn.mobi:2053
www.phimsexvn.mobi:2083
www.phimsexvn.mobi:2087
www.phimsexvn.mobi:2096
www.phimsexvn.mobi:8443
revil.phimsexvn.mobi:80
revil.phimsexvn.mobi:22
revil.phimsexvn.mobi:8080
revil.phimsexvn.mobi:8880
revil.phimsexvn.mobi:2052
revil.phimsexvn.mobi:2082
revil.phimsexvn.mobi:2086
revil.phimsexvn.mobi:2095
revil.phimsexvn.mobi:443
revil.phimsexvn.mobi:2053
revil.phimsexvn.mobi:2083
revil.phimsexvn.mobi:2087
revil.phimsexvn.mobi:2096
revil.phimsexvn.mobi:8443
malware.phimsexvn.mobi:80
malware.phimsexvn.mobi:22
malware.phimsexvn.mobi:8080
malware.phimsexvn.mobi:8880
malware.phimsexvn.mobi:2052
malware.phimsexvn.mobi:2082
malware.phimsexvn.mobi:2086
malware.phimsexvn.mobi:2095
malware.phimsexvn.mobi:443
malware.phimsexvn.mobi:2053
malware.phimsexvn.mobi:2083
malware.phimsexvn.mobi:2087
malware.phimsexvn.mobi:2096
malware.phimsexvn.mobi:8443
socgholish.phimsexvn.mobi:80
socgholish.phimsexvn.mobi:22
socgholish.phimsexvn.mobi:8080
socgholish.phimsexvn.mobi:8880
socgholish.phimsexvn.mobi:2052
socgholish.phimsexvn.mobi:2082
socgholish.phimsexvn.mobi:2086
socgholish.phimsexvn.mobi:2095
socgholish.phimsexvn.mobi:443
socgholish.phimsexvn.mobi:2053
socgholish.phimsexvn.mobi:2083
socgholish.phimsexvn.mobi:2087
socgholish.phimsexvn.mobi:2096
socgholish.phimsexvn.mobi:8443

Mutex

p4YpK9mrmFCQ

Attributes

delay
0
install
true
install_file
28k7nx.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/0x000d00000001c5d8-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4956	28k7nx.exe
1128	28k7nx.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5240	cmd.exe
3500	cmd.exe

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	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	28k7nx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	28k7nx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4988	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
4968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
Token: SeDebugPrivilege	4956	28k7nx.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 3500	4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe	89
PID 4804 wrote to memory of 5240	4804	2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe	91
PID 3500 wrote to memory of 4968	3500	cmd.exe	93
PID 5240 wrote to memory of 4988	5240	cmd.exe	94
PID 5240 wrote to memory of 1128	5240	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe
"C:\Users\Admin\AppData\Local\Temp\2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "28k7nx" /tr '"C:\Users\Admin\AppData\Roaming\28k7nx.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3500
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "28k7nx" /tr '"C:\Users\Admin\AppData\Roaming\28k7nx.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4968
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA06C.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5240
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4988
- - C:\Users\Admin\AppData\Roaming\28k7nx.exe
    "C:\Users\Admin\AppData\Roaming\28k7nx.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1128

C:\Users\Admin\AppData\Roaming\28k7nx.exe
"C:\Users\Admin\AppData\Roaming\28k7nx.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4956

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

tmpA06C.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpA06C.tmp.bat
Size 150B
SHA256 516555a1dfacdcdae69a5675b3b99711af800de0ac4c298d7d9a39e80695ca50
MD5 8cf51aa5d5b8300d3e1c9d96c3f18580
SHA1 1a2afd378445e43bfffb849c9444d790c153b0b0
SHA512 806819371f6f25302abc16797886e576640cb0c0ef54457ad7e6e5c2484e64dc41a8008a17d747d019e4c3fc796151a7c1f4240909a779d0753a9196eebb8afa
TLSH
T15AC02B4351CAEE0F3A09545302FBD88EB1766D5A3F40BF00C308844D628285CF0E9345
MD5 SHA1 SHA512 TLSH

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28k7nx.exe

Path C:\Users\Admin\AppData\Roaming\28k7nx.exe
Size 45KB
SHA256 2f78615029680dc2c50abea6ee8f9e0f601d8b099aabef34c601f375f8c3c6ea
MD5 5734d7e5b49136ef6205756fda052a54
SHA1 95230cd6792b8a66baa40268d2487f62fa2e1b87
SHA512 1cfaa4d4023a716a31fe81dfcc478b6299e5dcc8523784866a87b7bc5b82686ce67b9a6f71aa9217cdb1f8259bf2c2e6ecc0bfb92dd23a4ee0472a8c11a06474
SSDEEP 768:EulCJTHESwgWUK3aGmo2q96DEbHB0jrOPI/izjb6gX3iJEPTo6pJLcNWE8gBDZsx:EulCJTHl42FySf3/i3btXSCNcNbdsx
TLSH
T1D72309003BE8813BF2BE4F7899F26145867AF6733603D54A1CC4519B5723BC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4804-0-0x0000000074502000-0x0000000074503000-memory.dmp

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memory/4804-1-0x0000000000E50000-0x0000000000E62000-memory.dmp

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memory/4804-2-0x00000000744F0000-0x0000000074CAC000-memory.dmp

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memory/4804-3-0x0000000005940000-0x00000000059DC000-memory.dmp

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memory/4804-8-0x00000000744F0000-0x0000000074CAC000-memory.dmp

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memory/4956-12-0x00000000742F0000-0x0000000074AAC000-memory.dmp

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memory/4956-14-0x00000000742F0000-0x0000000074AAC000-memory.dmp

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