asyncrat | fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2

Analysis

max time kernel
148s
max time network
152s
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, 16:59

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General

Target
fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
Size 45KB
Sample260718-vhdynabv7z
SHA256 fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2
MD5 1f8e3ef88cb31fab5ceeab862a293cbb
SHA1 572da0201c588e450bdbf55b6331beb74b288a61
SHA512 ad9c00b00d7ea68754e13b221d01fc6764fdc9415df476d5dde19d53c8ed1b197b0df451c3f572e1ac9346c0cd6be625c8aa8280a050442c2a4c345f216d71a9
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1TgzZUdx7PIn/jbmgX3iO/MePtpgpVBDZUx:cu6YepTPso2Co7nLb5XSO/M2tps7dUx
TLSH
T1C0231A003BE8823BF2BE5FB8A8F26145467AF5633603D54D2CC451D75623FC69A426F9
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

chichgai.one:80
chichgai.one:22
chichgai.one:8080
chichgai.one:8880
chichgai.one:2052
chichgai.one:2082
chichgai.one:2086
chichgai.one:2095
chichgai.one:443
chichgai.one:2053
chichgai.one:2083
chichgai.one:2087
chichgai.one:2096
chichgai.one:8443
www.chichgai.one:80
www.chichgai.one:22
www.chichgai.one:8080
www.chichgai.one:8880
www.chichgai.one:2052
www.chichgai.one:2082
www.chichgai.one:2086
www.chichgai.one:2095
www.chichgai.one:443
www.chichgai.one:2053
www.chichgai.one:2083
www.chichgai.one:2087
www.chichgai.one:2096
www.chichgai.one:8443
wannacry.chichgai.one:80
wannacry.chichgai.one:22
wannacry.chichgai.one:8080
wannacry.chichgai.one:8880
wannacry.chichgai.one:2052
wannacry.chichgai.one:2082
wannacry.chichgai.one:2086
wannacry.chichgai.one:2095
wannacry.chichgai.one:443
wannacry.chichgai.one:2053
wannacry.chichgai.one:2083
wannacry.chichgai.one:2087
wannacry.chichgai.one:2096
wannacry.chichgai.one:8443
remote.chichgai.one:80
remote.chichgai.one:22
remote.chichgai.one:8080
remote.chichgai.one:8880
remote.chichgai.one:2052
remote.chichgai.one:2082
remote.chichgai.one:2086
remote.chichgai.one:2095
remote.chichgai.one:443
remote.chichgai.one:2053
remote.chichgai.one:2083
remote.chichgai.one:2087
remote.chichgai.one:2096
remote.chichgai.one:8443
cryptolocker.chichgai.one:80
cryptolocker.chichgai.one:22
cryptolocker.chichgai.one:8080
cryptolocker.chichgai.one:8880
cryptolocker.chichgai.one:2052
cryptolocker.chichgai.one:2082
cryptolocker.chichgai.one:2086
cryptolocker.chichgai.one:2095
cryptolocker.chichgai.one:443
cryptolocker.chichgai.one:2053
cryptolocker.chichgai.one:2083
cryptolocker.chichgai.one:2087
cryptolocker.chichgai.one:2096
cryptolocker.chichgai.one:8443

Mutex

oRvebeFA0Z7c

Attributes

delay
0
install
true
install_file
l1d70ide.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/0x000e00000001c569-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1160	l1d70ide.exe
5668	l1d70ide.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
1084	cmd.exe
4888	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	l1d70ide.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l1d70ide.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3560	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
2728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
Token: SeDebugPrivilege	1160	l1d70ide.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5924 wrote to memory of 1084	5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe	89
PID 5924 wrote to memory of 4888	5924	fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe	90
PID 1084 wrote to memory of 2728	1084	cmd.exe	93
PID 4888 wrote to memory of 3560	4888	cmd.exe	94
PID 4888 wrote to memory of 5668	4888	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe
"C:\Users\Admin\AppData\Local\Temp\fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5924
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "l1d70ide" /tr '"C:\Users\Admin\AppData\Roaming\l1d70ide.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1084
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "l1d70ide" /tr '"C:\Users\Admin\AppData\Roaming\l1d70ide.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2728
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE55A.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4888
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3560
- - C:\Users\Admin\AppData\Roaming\l1d70ide.exe
    "C:\Users\Admin\AppData\Roaming\l1d70ide.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5668

C:\Users\Admin\AppData\Roaming\l1d70ide.exe
"C:\Users\Admin\AppData\Roaming\l1d70ide.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1160

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

tmpE55A.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpE55A.tmp.bat
Size 152B
SHA256 4da306830afc35f5c78267551c756b680b1e98874d199d5074d708c8112c0388
MD5 1e7d75eabcb73f22014741874f15e0c7
SHA1 42972dd9724b4e21c14c169687fb260ef8e33b5a
SHA512 d10975160abc227d98bb324bf9a54d3cb7524a317cda9739be7b4f5b00e4b2cad04b005178aaf1542f710a2106d6e3056404003cc92a3b688b084a7f83248e18
TLSH
T1CCC08C4259C6AA0E2806542302BAD89D92E2A82D3E44AB108304444D2280859E0DA286
MD5 SHA1 SHA512 TLSH

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l1d70ide.exe

Path C:\Users\Admin\AppData\Roaming\l1d70ide.exe
Size 45KB
SHA256 fc92e5063d64cebe336496b08930ce4377fbab15af1e1a7debdce93002d61ef2
MD5 1f8e3ef88cb31fab5ceeab862a293cbb
SHA1 572da0201c588e450bdbf55b6331beb74b288a61
SHA512 ad9c00b00d7ea68754e13b221d01fc6764fdc9415df476d5dde19d53c8ed1b197b0df451c3f572e1ac9346c0cd6be625c8aa8280a050442c2a4c345f216d71a9
SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1TgzZUdx7PIn/jbmgX3iO/MePtpgpVBDZUx:cu6YepTPso2Co7nLb5XSO/M2tps7dUx
TLSH
T1C0231A003BE8823BF2BE5FB8A8F26145467AF5633603D54D2CC451D75623FC69A426F9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1160-12-0x0000000074ED0000-0x000000007568C000-memory.dmp

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memory/1160-14-0x0000000074ED0000-0x000000007568C000-memory.dmp

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memory/5924-0-0x0000000075052000-0x0000000075053000-memory.dmp

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memory/5924-1-0x0000000000B60000-0x0000000000B72000-memory.dmp

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memory/5924-2-0x0000000075040000-0x00000000757FC000-memory.dmp

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memory/5924-3-0x0000000005530000-0x00000000055CC000-memory.dmp

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memory/5924-8-0x0000000075040000-0x00000000757FC000-memory.dmp

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