asyncrat | 5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/07/2026, 11:15

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General

Target
5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
Size 45KB
Sample260716-nclmzsbs8m
SHA256 5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b
MD5 b16bb96a5de5457754476453a4fb1441
SHA1 ea83c2d456da0af4c30db7c9e6f297eb7fcc08a0
SHA512 1e4ebdde7126227876d1df8509b922eb9496d7ec6bc3ac3b13476cc7222c36e608cfe47c132f54edf99ad19ef0935a22218f25b9b1607c85da8e6de0e643a462
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9ZRzMwnOPIZzjbUgX3iOuFlI+W13Foh4EBDZ8x:0u1YJTHcw2SA+3Z3b7XSOuFhsy+yd8x
TLSH
T123231C0037E8822BF2BE4F7899F26145867AF6673603D64E1CC452DB5613FC68A426FD
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

sexvuto.site:80
sexvuto.site:22
sexvuto.site:8080
sexvuto.site:8880
sexvuto.site:2052
sexvuto.site:2082
sexvuto.site:2086
sexvuto.site:2095
sexvuto.site:443
sexvuto.site:2053
sexvuto.site:2083
sexvuto.site:2087
sexvuto.site:2096
sexvuto.site:8443
www.sexvuto.site:80
www.sexvuto.site:22
www.sexvuto.site:8080
www.sexvuto.site:8880
www.sexvuto.site:2052
www.sexvuto.site:2082
www.sexvuto.site:2086
www.sexvuto.site:2095
www.sexvuto.site:443
www.sexvuto.site:2053
www.sexvuto.site:2083
www.sexvuto.site:2087
www.sexvuto.site:2096
www.sexvuto.site:8443
dridex.sexvuto.site:80
dridex.sexvuto.site:22
dridex.sexvuto.site:8080
dridex.sexvuto.site:8880
dridex.sexvuto.site:2052
dridex.sexvuto.site:2082
dridex.sexvuto.site:2086
dridex.sexvuto.site:2095
dridex.sexvuto.site:443
dridex.sexvuto.site:2053
dridex.sexvuto.site:2083
dridex.sexvuto.site:2087
dridex.sexvuto.site:2096
dridex.sexvuto.site:8443
trickbot.sexvuto.site:80
trickbot.sexvuto.site:22
trickbot.sexvuto.site:8080
trickbot.sexvuto.site:8880
trickbot.sexvuto.site:2052
trickbot.sexvuto.site:2082
trickbot.sexvuto.site:2086
trickbot.sexvuto.site:2095
trickbot.sexvuto.site:443
trickbot.sexvuto.site:2053
trickbot.sexvuto.site:2083
trickbot.sexvuto.site:2087
trickbot.sexvuto.site:2096
trickbot.sexvuto.site:8443
malware.sexvuto.site:80
malware.sexvuto.site:22
malware.sexvuto.site:8080
malware.sexvuto.site:8880
malware.sexvuto.site:2052
malware.sexvuto.site:2082
malware.sexvuto.site:2086
malware.sexvuto.site:2095
malware.sexvuto.site:443
malware.sexvuto.site:2053
malware.sexvuto.site:2083
malware.sexvuto.site:2087
malware.sexvuto.site:2096
malware.sexvuto.site:8443

Mutex

QvnhKwnSOpkP

Attributes

delay
0
install
true
install_file
z7aejf.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/0x000e00000001c583-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4716	z7aejf.exe
5084	z7aejf.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	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.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	z7aejf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z7aejf.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5912	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
5352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5900 wrote to memory of 2672	5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe	87
PID 5900 wrote to memory of 4304	5900	5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe	89
PID 2672 wrote to memory of 5352	2672	cmd.exe	91
PID 4304 wrote to memory of 5912	4304	cmd.exe	92
PID 4304 wrote to memory of 5084	4304	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe
"C:\Users\Admin\AppData\Local\Temp\5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "z7aejf" /tr '"C:\Users\Admin\AppData\Roaming\z7aejf.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "z7aejf" /tr '"C:\Users\Admin\AppData\Roaming\z7aejf.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5352
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5039.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4304
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5912
- - C:\Users\Admin\AppData\Roaming\z7aejf.exe
    "C:\Users\Admin\AppData\Roaming\z7aejf.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5084

C:\Users\Admin\AppData\Roaming\z7aejf.exe
"C:\Users\Admin\AppData\Roaming\z7aejf.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4716

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

tmp5039.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5039.tmp.bat
Size 150B
SHA256 4e446f63011e1f19792aee294f5720535c3779e228b805d0b49cd58611396455
MD5 8b8155fe397f51e61880c4e4a6ad2533
SHA1 1b0f285106972a7d149c6922a2c11335184be5bf
SHA512 b07b98466f0834b7dc114c2bdc89382a485c725f9518749cfd1be22a91b0e1236f754f1b51d56872f51a22ecef7249e78d4fab88b8379d9810ca2994ad7d3fd5
TLSH
T105C02B4651D6FA0E3809185303FAED9CA1776C1E3F40BB90C704404E2280488F0DE7C5
MD5 SHA1 SHA512 TLSH

Submit Download

z7aejf.exe

Path C:\Users\Admin\AppData\Roaming\z7aejf.exe
Size 45KB
SHA256 5d7abbf1f56ff3cecdb2f219788b13061cffa3ac74701b67ee7b31f8742ced7b
MD5 b16bb96a5de5457754476453a4fb1441
SHA1 ea83c2d456da0af4c30db7c9e6f297eb7fcc08a0
SHA512 1e4ebdde7126227876d1df8509b922eb9496d7ec6bc3ac3b13476cc7222c36e608cfe47c132f54edf99ad19ef0935a22218f25b9b1607c85da8e6de0e643a462
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9ZRzMwnOPIZzjbUgX3iOuFlI+W13Foh4EBDZ8x:0u1YJTHcw2SA+3Z3b7XSOuFhsy+yd8x
TLSH
T123231C0037E8822BF2BE4F7899F26145867AF6673603D64E1CC452DB5613FC68A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4716-12-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/4716-14-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/5900-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

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memory/5900-1-0x0000000000520000-0x0000000000532000-memory.dmp

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memory/5900-2-0x0000000074B80000-0x000000007533C000-memory.dmp

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memory/5900-3-0x0000000005010000-0x00000000050AC000-memory.dmp

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memory/5900-8-0x0000000074B80000-0x000000007533C000-memory.dmp

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