asyncrat | cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81

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, 08:41

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General

Target
cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
Size 45KB
Sample260718-klghvaes4k
SHA256 cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81
MD5 1466b4d9f6fa6ef93f14397db4b9bd9a
SHA1 e0fac52a11e240c7163b583f3fe2b056e212ae40
SHA512 b26a4aa6d44ba3aa7f78f7a7315d9cfc65b53a496b2eb7e04612014afa7c95c8832f4a15494d45f65cfccbe2e1f1da672c1feb569cd257a9e41cc4165fd51d34
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4IcQSCBznqNLPI7zjb/gX3i7u3dG2EhWH6BDZ0x:8uUIpT4vAj28c9UqC73bIXSy3dG2EhW/
TLSH
T161233B003BE8812BF2BE4F7499F25145867AF2637603D5492CC452DB5713FC69A42AFE
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

sexnga.store:80
sexnga.store:22
sexnga.store:8080
sexnga.store:8880
sexnga.store:2052
sexnga.store:2082
sexnga.store:2086
sexnga.store:2095
sexnga.store:443
sexnga.store:2053
sexnga.store:2083
sexnga.store:2087
sexnga.store:2096
sexnga.store:8443
www.sexnga.store:80
www.sexnga.store:22
www.sexnga.store:8080
www.sexnga.store:8880
www.sexnga.store:2052
www.sexnga.store:2082
www.sexnga.store:2086
www.sexnga.store:2095
www.sexnga.store:443
www.sexnga.store:2053
www.sexnga.store:2083
www.sexnga.store:2087
www.sexnga.store:2096
www.sexnga.store:8443
downadup.sexnga.store:80
downadup.sexnga.store:22
downadup.sexnga.store:8080
downadup.sexnga.store:8880
downadup.sexnga.store:2052
downadup.sexnga.store:2082
downadup.sexnga.store:2086
downadup.sexnga.store:2095
downadup.sexnga.store:443
downadup.sexnga.store:2053
downadup.sexnga.store:2083
downadup.sexnga.store:2087
downadup.sexnga.store:2096
downadup.sexnga.store:8443
sodinokibi.sexnga.store:80
sodinokibi.sexnga.store:22
sodinokibi.sexnga.store:8080
sodinokibi.sexnga.store:8880
sodinokibi.sexnga.store:2052
sodinokibi.sexnga.store:2082
sodinokibi.sexnga.store:2086
sodinokibi.sexnga.store:2095
sodinokibi.sexnga.store:443
sodinokibi.sexnga.store:2053
sodinokibi.sexnga.store:2083
sodinokibi.sexnga.store:2087
sodinokibi.sexnga.store:2096
sodinokibi.sexnga.store:8443
cryptolocker.sexnga.store:80
cryptolocker.sexnga.store:22
cryptolocker.sexnga.store:8080
cryptolocker.sexnga.store:8880
cryptolocker.sexnga.store:2052
cryptolocker.sexnga.store:2082
cryptolocker.sexnga.store:2086
cryptolocker.sexnga.store:2095
cryptolocker.sexnga.store:443
cryptolocker.sexnga.store:2053
cryptolocker.sexnga.store:2083
cryptolocker.sexnga.store:2087
cryptolocker.sexnga.store:2096
cryptolocker.sexnga.store:8443
mirai.sexnga.store:80
mirai.sexnga.store:22
mirai.sexnga.store:8080
mirai.sexnga.store:8880
mirai.sexnga.store:2052
mirai.sexnga.store:2082
mirai.sexnga.store:2086
mirai.sexnga.store:2095
mirai.sexnga.store:443
mirai.sexnga.store:2053
mirai.sexnga.store:2083
mirai.sexnga.store:2087
mirai.sexnga.store:2096
mirai.sexnga.store:8443

Mutex

zNXHak7yBhvc

Attributes

delay
0
install
true
install_file
cu68bsz.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/0x000e00000001c5da-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5732	cu68bsz.exe
1232	cu68bsz.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
3452	cmd.exe
4548	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	cu68bsz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.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	cu68bsz.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4396	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
1000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
Token: SeDebugPrivilege	5732	cu68bsz.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 3452	2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe	89
PID 2884 wrote to memory of 4548	2884	cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe	91
PID 3452 wrote to memory of 1000	3452	cmd.exe	93
PID 4548 wrote to memory of 4396	4548	cmd.exe	94
PID 4548 wrote to memory of 1232	4548	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe
"C:\Users\Admin\AppData\Local\Temp\cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cu68bsz" /tr '"C:\Users\Admin\AppData\Roaming\cu68bsz.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3452
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "cu68bsz" /tr '"C:\Users\Admin\AppData\Roaming\cu68bsz.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1000
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3E67.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4396
- - C:\Users\Admin\AppData\Roaming\cu68bsz.exe
    "C:\Users\Admin\AppData\Roaming\cu68bsz.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1232

C:\Users\Admin\AppData\Roaming\cu68bsz.exe
"C:\Users\Admin\AppData\Roaming\cu68bsz.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5732

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

tmp3E67.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp3E67.tmp.bat
Size 151B
SHA256 d586751f781a7b56be02940b89b1a210e4dd6ac395937dd8669bcaaf5673b229
MD5 236427d6f02c2de9001a2e2ab57819bf
SHA1 aee92938ae46b2baf36d01b43edfbed19cb346cb
SHA512 436d801d93807a652e0c343604c2b0270ad503c48d440810ad4fbfd8f4144a3287bd1fd442386d9cc9fa01e8165d16224f5def8ebcb52aa03d6d0d7eaab22f85
TLSH
T135C08C4291C6EA4E3809146302BBD48CA1626C193E84BB109304840D2280848E0F9381
MD5 SHA1 SHA512 TLSH

Submit Download

cu68bsz.exe

Path C:\Users\Admin\AppData\Roaming\cu68bsz.exe
Size 45KB
SHA256 cc3cbc8d712409efc6ee09346b9aa7eee6dedfde6fbb0b79f876f891401dee81
MD5 1466b4d9f6fa6ef93f14397db4b9bd9a
SHA1 e0fac52a11e240c7163b583f3fe2b056e212ae40
SHA512 b26a4aa6d44ba3aa7f78f7a7315d9cfc65b53a496b2eb7e04612014afa7c95c8832f4a15494d45f65cfccbe2e1f1da672c1feb569cd257a9e41cc4165fd51d34
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4IcQSCBznqNLPI7zjb/gX3i7u3dG2EhWH6BDZ0x:8uUIpT4vAj28c9UqC73bIXSy3dG2EhW/
TLSH
T161233B003BE8812BF2BE4F7499F25145867AF2637603D5492CC452DB5713FC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2884-0-0x00000000743D2000-0x00000000743D3000-memory.dmp

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memory/2884-1-0x0000000000B00000-0x0000000000B12000-memory.dmp

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memory/2884-2-0x00000000743C0000-0x0000000074B7C000-memory.dmp

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memory/2884-3-0x0000000005600000-0x000000000569C000-memory.dmp

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memory/2884-9-0x00000000743C0000-0x0000000074B7C000-memory.dmp

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memory/5732-12-0x00000000743C0000-0x0000000074B7C000-memory.dmp

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memory/5732-14-0x00000000743C0000-0x0000000074B7C000-memory.dmp

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