asyncrat | dbbc3b014153cb0742cc5386136f347b3ad61eb539524d8e925a8a28a23cc73d

Analysis

max time kernel
3s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2025, 10:54

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General

Target

Nursulan Crack.exe
Size

63KB
MD5

45a29490589e6635ab2734cf38e47c62
SHA1

69aa8013c4ed1616442077aa4995f4cb1f209cee
SHA256

dbbc3b014153cb0742cc5386136f347b3ad61eb539524d8e925a8a28a23cc73d
SHA512

e67d536411faf00e9f62ac6a39991902641bba38e54c6c2581251300545b52177ac35647a1d2e4f502a9864d722ba21ca5b14184a6abf518256397d9570354bd
SSDEEP

768:O1fwJdXHF378LAC8A+XPfXssq8nXhllT9SzGo1+T4/SBGHmDbDFpP0oXNMJSuxkP:kUFBXn9TUzRcYUb3P9mguxkpqKmY7

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:3232

Attributes

delay
2
install
true
install_file
Nursulan cRack.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x00080000000241f2-12.dat	family_asyncrat

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2788	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
2716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe
1500	Nursulan Crack.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	Nursulan Crack.exe

C:\Users\Admin\AppData\Local\Temp\Nursulan Crack.exe
"C:\Users\Admin\AppData\Local\Temp\Nursulan Crack.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1500
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Nursulan cRack" /tr '"C:\Users\Admin\AppData\Roaming\Nursulan cRack.exe"' & exit
  2⤵
  PID:4928
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "Nursulan cRack" /tr '"C:\Users\Admin\AppData\Roaming\Nursulan cRack.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2716
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp700F.tmp.bat""
  2⤵
  PID:5384
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2788
- - C:\Users\Admin\AppData\Roaming\Nursulan cRack.exe
    "C:\Users\Admin\AppData\Roaming\Nursulan cRack.exe"
    3⤵
    PID:5552

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Nursulan cRack.exe.log

Filesize
871B

MD5
d58f949aad7df2e7b55248bfdfc6e1b8

SHA1
6713cad396b5808b66ede2dd9b169e00d5e5018f

SHA256
5e1611e4d915fd9759825811fa4463f09172889f85889a2942be1561948fab8a

SHA512
bdddb838108c4f3f0a7737703cbde935fe26aaea97459bb099c4c773c0789997283d7f20ac7ea4ac2aedef23515afc0b251b5b461aa12d3b7a60846b87b26e38

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp700F.tmp.bat

Filesize
158B

MD5
347dee18846bb24c820b4b4e33b5b1b9

SHA1
14410922fbd73e1157a998183e6f5ce211636a8b

SHA256
1143445e4c8e7440abb0f7cf125c8f7c0af0e1d9e1bbcaf9cd4019713317d887

SHA512
86d0f6c6c67eb80bdd1c23a950b82d8975184e442dfa131228b6d302ee01420126af3b4b5cfd6e570bf99539ecf4ebdc1fe22c606a7a302e3d5aa2a11013b3a7

Download Submit
C:\Users\Admin\AppData\Roaming\Nursulan cRack.exe

Filesize
63KB

MD5
45a29490589e6635ab2734cf38e47c62

SHA1
69aa8013c4ed1616442077aa4995f4cb1f209cee

SHA256
dbbc3b014153cb0742cc5386136f347b3ad61eb539524d8e925a8a28a23cc73d

SHA512
e67d536411faf00e9f62ac6a39991902641bba38e54c6c2581251300545b52177ac35647a1d2e4f502a9864d722ba21ca5b14184a6abf518256397d9570354bd

Download Submit
memory/1500-1-0x0000000000420000-0x0000000000436000-memory.dmp

Filesize
88KB

Download
memory/1500-0-0x00007FFE33363000-0x00007FFE33365000-memory.dmp

Filesize
8KB

Download
memory/1500-2-0x00007FFE33360000-0x00007FFE33E21000-memory.dmp

Filesize
10.8MB

Download
memory/1500-8-0x00007FFE33360000-0x00007FFE33E21000-memory.dmp

Filesize
10.8MB

Download
memory/1500-7-0x00007FFE33360000-0x00007FFE33E21000-memory.dmp

Filesize
10.8MB

Download