asyncrat | 512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5

Analysis

max time kernel
134s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28/04/2024, 18:11

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General

Target

08e2246fa2d8e30547f8c42acb82c305.exe
Size

3.1MB
MD5

08e2246fa2d8e30547f8c42acb82c305
SHA1

13e4ef288407cee06c4819ce6d3dde27e8535334
SHA256

512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5
SHA512

8e29ba0b236ccf279a8628b26fecbcf1787add8528974b7d85771cc3dae2ff052ce0b3f71d73ac2d7ae9ed20d53dda98c4885c0046c6042e9199149a4ad3c186
SSDEEP

49152:p7cguPcJ1auqGqomYaXuRq/BxxjAoV4sROsaChi39Q5kr0gNf5dpDrYN:NplJhqQ4ueB8UQSw9Q5K3nYN

Score

10^/10

asyncrat zgrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

aysmasterpro.duckdns.org:8795

Mutex

jhyhgghf6SI8OkPnk

Attributes

delay
3
install
true
install_file
system.exe
install_folder
%AppData%

aes.plain

Signatures

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

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/3052-5-0x0000000005050000-0x0000000005272000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-10-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-18-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-56-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-38-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-54-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-52-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-70-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-68-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-66-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-64-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-62-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-60-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-58-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-50-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-48-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-46-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-44-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-42-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-40-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-34-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-32-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-30-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-36-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-28-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-24-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-22-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-16-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-14-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-12-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-26-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-8-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-20-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3052-7-0x0000000005050000-0x000000000526C000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	08e2246fa2d8e30547f8c42acb82c305.exe

Executes dropped EXE 2 IoCs

pid	Process
1636	system.exe
3588	system.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 1636 set thread context of 3588	1636	system.exe	103

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
912	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4940	timeout.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe
3536	08e2246fa2d8e30547f8c42acb82c305.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	08e2246fa2d8e30547f8c42acb82c305.exe
Token: SeDebugPrivilege	3052	08e2246fa2d8e30547f8c42acb82c305.exe
Token: SeDebugPrivilege	3536	08e2246fa2d8e30547f8c42acb82c305.exe
Token: SeDebugPrivilege	1636	system.exe
Token: SeDebugPrivilege	1636	system.exe
Token: SeDebugPrivilege	3588	system.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 3052 wrote to memory of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 3052 wrote to memory of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 3052 wrote to memory of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 3052 wrote to memory of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 3052 wrote to memory of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 3052 wrote to memory of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 3052 wrote to memory of 3536	3052	08e2246fa2d8e30547f8c42acb82c305.exe	93
PID 3536 wrote to memory of 3496	3536	08e2246fa2d8e30547f8c42acb82c305.exe	94
PID 3536 wrote to memory of 3496	3536	08e2246fa2d8e30547f8c42acb82c305.exe	94
PID 3536 wrote to memory of 3496	3536	08e2246fa2d8e30547f8c42acb82c305.exe	94
PID 3536 wrote to memory of 3484	3536	08e2246fa2d8e30547f8c42acb82c305.exe	96
PID 3536 wrote to memory of 3484	3536	08e2246fa2d8e30547f8c42acb82c305.exe	96
PID 3536 wrote to memory of 3484	3536	08e2246fa2d8e30547f8c42acb82c305.exe	96
PID 3484 wrote to memory of 4940	3484	cmd.exe	99
PID 3484 wrote to memory of 4940	3484	cmd.exe	99
PID 3484 wrote to memory of 4940	3484	cmd.exe	99
PID 3496 wrote to memory of 912	3496	cmd.exe	98
PID 3496 wrote to memory of 912	3496	cmd.exe	98
PID 3496 wrote to memory of 912	3496	cmd.exe	98
PID 3484 wrote to memory of 1636	3484	cmd.exe	100
PID 3484 wrote to memory of 1636	3484	cmd.exe	100
PID 3484 wrote to memory of 1636	3484	cmd.exe	100
PID 1636 wrote to memory of 3588	1636	system.exe	103
PID 1636 wrote to memory of 3588	1636	system.exe	103
PID 1636 wrote to memory of 3588	1636	system.exe	103
PID 1636 wrote to memory of 3588	1636	system.exe	103
PID 1636 wrote to memory of 3588	1636	system.exe	103
PID 1636 wrote to memory of 3588	1636	system.exe	103
PID 1636 wrote to memory of 3588	1636	system.exe	103
PID 1636 wrote to memory of 3588	1636	system.exe	103

C:\Users\Admin\AppData\Local\Temp\08e2246fa2d8e30547f8c42acb82c305.exe
"C:\Users\Admin\AppData\Local\Temp\08e2246fa2d8e30547f8c42acb82c305.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\08e2246fa2d8e30547f8c42acb82c305.exe
  "C:\Users\Admin\AppData\Local\Temp\08e2246fa2d8e30547f8c42acb82c305.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3536
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "system" /tr '"C:\Users\Admin\AppData\Roaming\system.exe"' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3496
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "system" /tr '"C:\Users\Admin\AppData\Roaming\system.exe"'
      4⤵
      Creates scheduled task(s)
      PID:912
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4D21.tmp.bat""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3484
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:4940
  - - C:\Users\Admin\AppData\Roaming\system.exe
      "C:\Users\Admin\AppData\Roaming\system.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1636
    - - C:\Users\Admin\AppData\Roaming\system.exe
        
        "C:\Users\Admin\AppData\Roaming\system.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:3588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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_32\UsageLogs\08e2246fa2d8e30547f8c42acb82c305.exe.log

Filesize
805B

MD5
331a3cbc97fa6b9461c916f672f9a997

SHA1
93c71c0e2737f69f468fd7b7c4fce10113407154

SHA256
d09d80a3f08f8201292d117d706b204127cb9eb6a65bc6505bae3eef0d173aaf

SHA512
1e9a6375a6b2eb2035f9aed49e108abd0861fb3630bf1510379503b0e39bee69f6fdd1e7ed74c11220e3fd036d019976f1d11d13e344245d1d44ef6e8bf928d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4D21.tmp.bat

Filesize
150B

MD5
84ddbc7f5ad6872b62545603df8d31fd

SHA1
4998df1430ff78a017b82151952894ad3044d6d1

SHA256
492579fcfaee59d2efb454d94cfd0b62a15e7ccdc7719a6af50066c43b31b213

SHA512
b241bb4e331b07dfcca92f9eecb72496f665ed8b8e68f06fc1790d041240c9c3c304e55d85c23d5ee849f96267f6c23e234160228370ae358a909b5697d50d91

Download Submit
C:\Users\Admin\AppData\Roaming\system.exe

Filesize
3.1MB

MD5
08e2246fa2d8e30547f8c42acb82c305

SHA1
13e4ef288407cee06c4819ce6d3dde27e8535334

SHA256
512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5

SHA512
8e29ba0b236ccf279a8628b26fecbcf1787add8528974b7d85771cc3dae2ff052ce0b3f71d73ac2d7ae9ed20d53dda98c4885c0046c6042e9199149a4ad3c186

Download Submit
memory/1636-9788-0x00000000059D0000-0x0000000005A24000-memory.dmp

Filesize
336KB

Download
memory/3052-0-0x00000000001A0000-0x00000000004BA000-memory.dmp

Filesize
3.1MB

Download
memory/3052-1-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3052-2-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

Download
memory/3052-3-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3052-4-0x0000000006180000-0x00000000069F4000-memory.dmp

Filesize
8.5MB

Download
memory/3052-5-0x0000000005050000-0x0000000005272000-memory.dmp

Filesize
2.1MB

Download
memory/3052-6-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/3052-10-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-18-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-56-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-38-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-54-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-52-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-70-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-68-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-66-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-64-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-62-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-60-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-58-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-50-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-48-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-46-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-44-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-42-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-40-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-34-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-32-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-30-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-36-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-28-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-24-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-22-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-16-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-14-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-12-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-26-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-8-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-20-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-7-0x0000000005050000-0x000000000526C000-memory.dmp

Filesize
2.1MB

Download
memory/3052-4887-0x0000000005410000-0x0000000005411000-memory.dmp

Filesize
4KB

Download
memory/3052-4888-0x00000000055C0000-0x000000000561E000-memory.dmp

Filesize
376KB

Download
memory/3052-4889-0x0000000005670000-0x00000000056BC000-memory.dmp

Filesize
304KB

Download
memory/3052-4890-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3052-4891-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3052-4892-0x0000000005DF0000-0x0000000005E44000-memory.dmp

Filesize
336KB

Download
memory/3052-4896-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3536-4895-0x0000000000980000-0x0000000000992000-memory.dmp

Filesize
72KB

Download
memory/3536-4897-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3536-4898-0x0000000004E10000-0x0000000004E20000-memory.dmp

Filesize
64KB

Download
memory/3536-4899-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

Filesize
624KB

Download
memory/3536-4903-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3588-9793-0x0000000005F70000-0x0000000005FD6000-memory.dmp

Filesize
408KB

Download