asyncrat | fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33

Analysis

max time kernel
6s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 16:11

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General

Target
fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
Size 45KB
Sample260802-tnftrssthw
SHA256 fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33
MD5 adf777bc3d76e57f34ad9c5d1b482359
SHA1 c8d522bb99947bdea12b5fb9757300a2cf358752
SHA512 73b05623633aff34bc7946f3ba651f98bc3ed89ecb946acfa3eecd12f788d931199f02dfe7f03cc51ad8dbbcfd42a1ea63394a064421241325068eba5a3ba102
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAOGsGx8OHuPI2zjbUgN3iS215ApIbt5dGHo/cmvBs:UuKWgSJTwRf2eez323b7NSS215KIbt5o
TLSH
T1A3232C003BE9C12BF2BE4F7898F26145867AF5636603D94D2CC451DB5623FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

xemsexmy.org:80
xemsexmy.org:22
xemsexmy.org:8080
xemsexmy.org:8880
xemsexmy.org:2052
xemsexmy.org:2082
xemsexmy.org:2086
xemsexmy.org:2095
xemsexmy.org:443
xemsexmy.org:2053
xemsexmy.org:2083
xemsexmy.org:2087
xemsexmy.org:2096
xemsexmy.org:8443
www.xemsexmy.org:80
www.xemsexmy.org:22
www.xemsexmy.org:8080
www.xemsexmy.org:8880
www.xemsexmy.org:2052
www.xemsexmy.org:2082
www.xemsexmy.org:2086
www.xemsexmy.org:2095
www.xemsexmy.org:443
www.xemsexmy.org:2053
www.xemsexmy.org:2083
www.xemsexmy.org:2087
www.xemsexmy.org:2096
www.xemsexmy.org:8443
socgholish.xemsexmy.org:80
socgholish.xemsexmy.org:22
socgholish.xemsexmy.org:8080
socgholish.xemsexmy.org:8880
socgholish.xemsexmy.org:2052
socgholish.xemsexmy.org:2082
socgholish.xemsexmy.org:2086
socgholish.xemsexmy.org:2095
socgholish.xemsexmy.org:443
socgholish.xemsexmy.org:2053
socgholish.xemsexmy.org:2083
socgholish.xemsexmy.org:2087
socgholish.xemsexmy.org:2096
socgholish.xemsexmy.org:8443
nanocore.xemsexmy.org:80
nanocore.xemsexmy.org:22
nanocore.xemsexmy.org:8080
nanocore.xemsexmy.org:8880
nanocore.xemsexmy.org:2052
nanocore.xemsexmy.org:2082
nanocore.xemsexmy.org:2086
nanocore.xemsexmy.org:2095
nanocore.xemsexmy.org:443
nanocore.xemsexmy.org:2053
nanocore.xemsexmy.org:2083
nanocore.xemsexmy.org:2087
nanocore.xemsexmy.org:2096
nanocore.xemsexmy.org:8443
remcos.xemsexmy.org:80
remcos.xemsexmy.org:22
remcos.xemsexmy.org:8080
remcos.xemsexmy.org:8880
remcos.xemsexmy.org:2052
remcos.xemsexmy.org:2082
remcos.xemsexmy.org:2086
remcos.xemsexmy.org:2095
remcos.xemsexmy.org:443
remcos.xemsexmy.org:2053
remcos.xemsexmy.org:2083
remcos.xemsexmy.org:2087
remcos.xemsexmy.org:2096
remcos.xemsexmy.org:8443
malware.xemsexmy.org:80
malware.xemsexmy.org:22
malware.xemsexmy.org:8080
malware.xemsexmy.org:8880
malware.xemsexmy.org:2052
malware.xemsexmy.org:2082
malware.xemsexmy.org:2086
malware.xemsexmy.org:2095
malware.xemsexmy.org:443
malware.xemsexmy.org:2053
malware.xemsexmy.org:2083
malware.xemsexmy.org:2087
malware.xemsexmy.org:2096
malware.xemsexmy.org:8443

Mutex

MeWG98AEYRmH

Attributes

delay
0
install
true
install_file
3j7qc9mh.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/0x001500000001c4de-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5976	3j7qc9mh.exe
3512	3j7qc9mh.exe

Outbound SSH connection to public host 2 TTPs 4 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	16	104.21.32.163:22
SSH destination	8	172.67.152.224:22
SSH destination	9	104.21.32.163:22
SSH destination	15	172.67.152.224:22

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
4068	cmd.exe
4160	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	3j7qc9mh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.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	3j7qc9mh.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2380	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
2992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
Token: SeDebugPrivilege	5976	3j7qc9mh.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 4068	4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe	89
PID 4204 wrote to memory of 4160	4204	fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe	91
PID 4068 wrote to memory of 2992	4068	cmd.exe	93
PID 4160 wrote to memory of 2380	4160	cmd.exe	94
PID 4160 wrote to memory of 3512	4160	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe
"C:\Users\Admin\AppData\Local\Temp\fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3j7qc9mh" /tr '"C:\Users\Admin\AppData\Roaming\3j7qc9mh.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4068
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "3j7qc9mh" /tr '"C:\Users\Admin\AppData\Roaming\3j7qc9mh.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2992
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp646D.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4160
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2380
- - C:\Users\Admin\AppData\Roaming\3j7qc9mh.exe
    "C:\Users\Admin\AppData\Roaming\3j7qc9mh.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3512

C:\Users\Admin\AppData\Roaming\3j7qc9mh.exe
"C:\Users\Admin\AppData\Roaming\3j7qc9mh.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5976

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

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmp646D.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp646D.tmp.bat
Size 152B
SHA256 eb419d0942049ab30464c0474724df27fc4a1e568c6068408144f00eaea8b9b0
MD5 08081edf08e652eab9c8acac6105f70b
SHA1 82d36ddffb98e364d72970915b1d431ca81cba90
SHA512 fc14efd0353f84cc8e90ac1bbb091a4c68834eda9952b64652f5378eeb5b743daa78360cf6b761274f347cd77834c6f695cf63de9cf87ca823e830b52b751fc7
TLSH
T11EC08C93A6C5AA8E6806146302BBD58CA3666C193E80AB00D344504D628044AF09D385
MD5 SHA1 SHA512 TLSH

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3j7qc9mh.exe

Path C:\Users\Admin\AppData\Roaming\3j7qc9mh.exe
Size 45KB
SHA256 fc96d10d9f050ece3c07038afff9a2b3a27374247d97dfda080a280e87ccbe33
MD5 adf777bc3d76e57f34ad9c5d1b482359
SHA1 c8d522bb99947bdea12b5fb9757300a2cf358752
SHA512 73b05623633aff34bc7946f3ba651f98bc3ed89ecb946acfa3eecd12f788d931199f02dfe7f03cc51ad8dbbcfd42a1ea63394a064421241325068eba5a3ba102
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAOGsGx8OHuPI2zjbUgN3iS215ApIbt5dGHo/cmvBs:UuKWgSJTwRf2eez323b7NSS215KIbt5o
TLSH
T1A3232C003BE9C12BF2BE4F7898F26145867AF5636603D94D2CC451DB5623FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4204-0-0x0000000074522000-0x0000000074523000-memory.dmp

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memory/4204-1-0x00000000005C0000-0x00000000005D2000-memory.dmp

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memory/4204-2-0x0000000074510000-0x0000000074CCC000-memory.dmp

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memory/4204-3-0x0000000004FF0000-0x000000000508C000-memory.dmp

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memory/4204-8-0x0000000074510000-0x0000000074CCC000-memory.dmp

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memory/5976-12-0x0000000074510000-0x0000000074CCC000-memory.dmp

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memory/5976-14-0x0000000074510000-0x0000000074CCC000-memory.dmp

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