asyncrat | 512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5

Analysis

max time kernel
118s
max time network
144s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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
behavioral1/memory/2876-4-0x0000000005140000-0x0000000005362000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-10-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-5-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-24-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-30-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-6-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-40-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-64-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-8-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-14-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-16-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-54-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-68-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-66-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-62-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-60-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-58-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-56-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-52-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-50-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-48-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-46-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-44-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-42-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-38-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-36-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-34-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-32-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-28-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-26-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-22-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-20-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-18-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2876-12-0x0000000005140000-0x000000000535C000-memory.dmp	family_zgrat_v1

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

Executes dropped EXE 2 IoCs

pid	Process
2296	system.exe
3328	system.exe

Loads dropped DLL 1 IoCs

pid	Process
860	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2296 set thread context of 3328	2296	system.exe	38

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
2432	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1928	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1576	08e2246fa2d8e30547f8c42acb82c305.exe
1576	08e2246fa2d8e30547f8c42acb82c305.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	08e2246fa2d8e30547f8c42acb82c305.exe
Token: SeDebugPrivilege	2876	08e2246fa2d8e30547f8c42acb82c305.exe
Token: SeDebugPrivilege	1576	08e2246fa2d8e30547f8c42acb82c305.exe
Token: SeDebugPrivilege	2296	system.exe
Token: SeDebugPrivilege	2296	system.exe
Token: SeDebugPrivilege	3328	system.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 2876 wrote to memory of 1576	2876	08e2246fa2d8e30547f8c42acb82c305.exe	28
PID 1576 wrote to memory of 1972	1576	08e2246fa2d8e30547f8c42acb82c305.exe	29
PID 1576 wrote to memory of 1972	1576	08e2246fa2d8e30547f8c42acb82c305.exe	29
PID 1576 wrote to memory of 1972	1576	08e2246fa2d8e30547f8c42acb82c305.exe	29
PID 1576 wrote to memory of 1972	1576	08e2246fa2d8e30547f8c42acb82c305.exe	29
PID 1576 wrote to memory of 860	1576	08e2246fa2d8e30547f8c42acb82c305.exe	31
PID 1576 wrote to memory of 860	1576	08e2246fa2d8e30547f8c42acb82c305.exe	31
PID 1576 wrote to memory of 860	1576	08e2246fa2d8e30547f8c42acb82c305.exe	31
PID 1576 wrote to memory of 860	1576	08e2246fa2d8e30547f8c42acb82c305.exe	31
PID 860 wrote to memory of 1928	860	cmd.exe	33
PID 860 wrote to memory of 1928	860	cmd.exe	33
PID 860 wrote to memory of 1928	860	cmd.exe	33
PID 860 wrote to memory of 1928	860	cmd.exe	33
PID 1972 wrote to memory of 2432	1972	cmd.exe	34
PID 1972 wrote to memory of 2432	1972	cmd.exe	34
PID 1972 wrote to memory of 2432	1972	cmd.exe	34
PID 1972 wrote to memory of 2432	1972	cmd.exe	34
PID 860 wrote to memory of 2296	860	cmd.exe	35
PID 860 wrote to memory of 2296	860	cmd.exe	35
PID 860 wrote to memory of 2296	860	cmd.exe	35
PID 860 wrote to memory of 2296	860	cmd.exe	35
PID 2296 wrote to memory of 3328	2296	system.exe	38
PID 2296 wrote to memory of 3328	2296	system.exe	38
PID 2296 wrote to memory of 3328	2296	system.exe	38
PID 2296 wrote to memory of 3328	2296	system.exe	38
PID 2296 wrote to memory of 3328	2296	system.exe	38
PID 2296 wrote to memory of 3328	2296	system.exe	38
PID 2296 wrote to memory of 3328	2296	system.exe	38
PID 2296 wrote to memory of 3328	2296	system.exe	38
PID 2296 wrote to memory of 3328	2296	system.exe	38

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:2876
- C:\Users\Admin\AppData\Local\Temp\08e2246fa2d8e30547f8c42acb82c305.exe
  "C:\Users\Admin\AppData\Local\Temp\08e2246fa2d8e30547f8c42acb82c305.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1576
- - 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:1972
  - - 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:2432
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9CCC.tmp.bat""
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:860
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:1928
  - - 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:2296
    - - C:\Users\Admin\AppData\Roaming\system.exe
        
        "C:\Users\Admin\AppData\Roaming\system.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:3328

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9CCC.tmp.bat

Filesize
150B

MD5
978888ce0cb4b976b27829080acc5249

SHA1
5ebcffda9f4cec8561578fc3843f1b50efb249b7

SHA256
2bb7522d02d4cdaf9b6f25e22df2753533cd489554c6436a7181375977b84613

SHA512
1090b68184dff25a05b684d0cf065e2570c6817545cc25e89443dd0de84234e382aa6ab22a506a43d62da4ca411cbd4b18684162bac6fff31fb5e59ac31156bc

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

Filesize
3.1MB

MD5
08e2246fa2d8e30547f8c42acb82c305

SHA1
13e4ef288407cee06c4819ce6d3dde27e8535334

SHA256
512eae984c0fd479fdcd2f73253fc52adeed18d104dff390b5b9563b3ca8dff5

SHA512
8e29ba0b236ccf279a8628b26fecbcf1787add8528974b7d85771cc3dae2ff052ce0b3f71d73ac2d7ae9ed20d53dda98c4885c0046c6042e9199149a4ad3c186

Download Submit
memory/1576-4906-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1576-4908-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/1576-4909-0x0000000004860000-0x00000000048A0000-memory.dmp

Filesize
256KB

Download
memory/1576-4919-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2296-4923-0x0000000000FB0000-0x00000000012CA000-memory.dmp

Filesize
3.1MB

Download
memory/2876-56-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-46-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-4-0x0000000005140000-0x0000000005362000-memory.dmp

Filesize
2.1MB

Download
memory/2876-10-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-5-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-24-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-30-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-6-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-40-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-64-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-8-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-14-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-16-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-54-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-68-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-66-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-62-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-60-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-58-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-2-0x00000000045A0000-0x00000000045E0000-memory.dmp

Filesize
256KB

Download
memory/2876-52-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-50-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-48-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-3-0x0000000006140000-0x00000000069B4000-memory.dmp

Filesize
8.5MB

Download
memory/2876-44-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-42-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-38-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-36-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-34-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-32-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-28-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-26-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-22-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-20-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-18-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-12-0x0000000005140000-0x000000000535C000-memory.dmp

Filesize
2.1MB

Download
memory/2876-4885-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/2876-4887-0x0000000004510000-0x000000000455C000-memory.dmp

Filesize
304KB

Download
memory/2876-1-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2876-0-0x0000000000920000-0x0000000000C3A000-memory.dmp

Filesize
3.1MB

Download
memory/2876-4886-0x00000000049B0000-0x0000000004A0E000-memory.dmp

Filesize
376KB

Download
memory/2876-4888-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2876-4889-0x00000000045A0000-0x00000000045E0000-memory.dmp

Filesize
256KB

Download
memory/2876-4890-0x0000000004E90000-0x0000000004EE4000-memory.dmp

Filesize
336KB

Download
memory/2876-4907-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/3328-9817-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download