asyncrat | 78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 16:03

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General

Target
78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
Size 45KB
Sample260718-thttfaav3t
SHA256 78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee
MD5 1e22d9e1aaa721ab93186adcc5fec048
SHA1 2d85037a530670b9882e9ebfcb906ec5c62bfaaf
SHA512 2aba6b49a6806362243371b5e51fafa5444f4ff710692aa78b4703f67c11d9f661e9420c54f3a6b91985a676ee4c2f4776ea221951d54975ff605b89445d958d
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9AcQSCBznqNLPI7zjb4gX3iMgyalNlBxuBDZsx:EufspTf2g2Jc9UqC73bvXSMgyvdsx
TLSH
T128232B003BE8812AF1BE4F78A8F26145867AF6637603E94D2CC451DB5A13FC6D6426FD
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
rat.chichgai.one:80
rat.chichgai.one:22
rat.chichgai.one:8080
rat.chichgai.one:8880
rat.chichgai.one:2052
rat.chichgai.one:2082
rat.chichgai.one:2086
rat.chichgai.one:2095
rat.chichgai.one:443
rat.chichgai.one:2053
rat.chichgai.one:2083
rat.chichgai.one:2087
rat.chichgai.one:2096
rat.chichgai.one:8443
qakbot.chichgai.one:80
qakbot.chichgai.one:22
qakbot.chichgai.one:8080
qakbot.chichgai.one:8880
qakbot.chichgai.one:2052
qakbot.chichgai.one:2082
qakbot.chichgai.one:2086
qakbot.chichgai.one:2095
qakbot.chichgai.one:443
qakbot.chichgai.one:2053
qakbot.chichgai.one:2083
qakbot.chichgai.one:2087
qakbot.chichgai.one:2096
qakbot.chichgai.one:8443
client.chichgai.one:80
client.chichgai.one:22
client.chichgai.one:8080
client.chichgai.one:8880
client.chichgai.one:2052
client.chichgai.one:2082
client.chichgai.one:2086
client.chichgai.one:2095
client.chichgai.one:443
client.chichgai.one:2053
client.chichgai.one:2083
client.chichgai.one:2087
client.chichgai.one:2096
client.chichgai.one:8443
socgholish.chichgai.one:80
socgholish.chichgai.one:22
socgholish.chichgai.one:8080
socgholish.chichgai.one:8880
socgholish.chichgai.one:2052
socgholish.chichgai.one:2082
socgholish.chichgai.one:2086
socgholish.chichgai.one:2095
socgholish.chichgai.one:443
socgholish.chichgai.one:2053
socgholish.chichgai.one:2083
socgholish.chichgai.one:2087
socgholish.chichgai.one:2096
socgholish.chichgai.one:8443

Mutex

8UjEGyuV53CB

Attributes

delay
0
install
true
install_file
n1b8juz.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/0x000e00000001c582-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5424	n1b8juz.exe
3676	n1b8juz.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
3640	cmd.exe
4568	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	n1b8juz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	n1b8juz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2472	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
2432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
Token: SeDebugPrivilege	5424	n1b8juz.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 3640	4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe	88
PID 4148 wrote to memory of 4568	4148	78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe	90
PID 3640 wrote to memory of 2432	3640	cmd.exe	92
PID 4568 wrote to memory of 2472	4568	cmd.exe	93
PID 4568 wrote to memory of 3676	4568	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe
"C:\Users\Admin\AppData\Local\Temp\78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "n1b8juz" /tr '"C:\Users\Admin\AppData\Roaming\n1b8juz.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "n1b8juz" /tr '"C:\Users\Admin\AppData\Roaming\n1b8juz.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2432
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA8F8.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2472
- - C:\Users\Admin\AppData\Roaming\n1b8juz.exe
    "C:\Users\Admin\AppData\Roaming\n1b8juz.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3676

C:\Users\Admin\AppData\Roaming\n1b8juz.exe
"C:\Users\Admin\AppData\Roaming\n1b8juz.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5424

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

tmpA8F8.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpA8F8.tmp.bat
Size 151B
SHA256 553db32816ea01b10a2a88bdf73197598cc9c1020cafb3a4945f8da03a03b341
MD5 2de75d15538b10e70325b1a24e9c86d1
SHA1 b50803284a81c66abb7717036da8c22669fcab24
SHA512 6b33dfa72a29428bb619e8f641fef1d8e24b284415baff6e7a64e43105b383299102b80509e4d8305a10dad24da6b0a8182e6dba41b870b1a294c2fd5f2b919d
TLSH
T1DAC02B4255C5EB0E2909986303FAE89F92766D393F40BB30C3C8420E228049DF0D93C1
MD5 SHA1 SHA512 TLSH

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n1b8juz.exe

Path C:\Users\Admin\AppData\Roaming\n1b8juz.exe
Size 45KB
SHA256 78ec3952a0176f19a1c7d40f3f96996188fd9d0fd72a8bb857639c73d8a745ee
MD5 1e22d9e1aaa721ab93186adcc5fec048
SHA1 2d85037a530670b9882e9ebfcb906ec5c62bfaaf
SHA512 2aba6b49a6806362243371b5e51fafa5444f4ff710692aa78b4703f67c11d9f661e9420c54f3a6b91985a676ee4c2f4776ea221951d54975ff605b89445d958d
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9AcQSCBznqNLPI7zjb4gX3iMgyalNlBxuBDZsx:EufspTf2g2Jc9UqC73bvXSMgyvdsx
TLSH
T128232B003BE8812AF1BE4F78A8F26145867AF6637603E94D2CC451DB5A13FC6D6426FD
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4148-0-0x0000000074632000-0x0000000074633000-memory.dmp

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memory/4148-1-0x0000000000830000-0x0000000000842000-memory.dmp

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memory/4148-2-0x0000000074620000-0x0000000074DDC000-memory.dmp

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memory/4148-3-0x0000000005270000-0x000000000530C000-memory.dmp

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memory/4148-8-0x0000000074620000-0x0000000074DDC000-memory.dmp

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memory/5424-12-0x00000000744B0000-0x0000000074C6C000-memory.dmp

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memory/5424-14-0x00000000744B0000-0x0000000074C6C000-memory.dmp

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