asyncrat | 1ee1af228d0cfcf2beae5a2df53a291d24fb6213c5e453cfb09c155b20a7a965

General

Target

Infected.exe
Size

63KB
MD5

abcbbfd4f4cdcef98962ad976802fb69
SHA1

ecce5776a92707e00b28441975e73a715f9e2185
SHA256

1ee1af228d0cfcf2beae5a2df53a291d24fb6213c5e453cfb09c155b20a7a965
SHA512

e38348d3f6983e02378dd4649630fd0a39ad6428bc82aa6f2738f1ec794b9b48db7457b3009f7f65e49fc5d994dcde6105fdf72bd572086d8017558aab541100
SSDEEP

768:RdGnVhwdjndk78TQC8A+XiuazcBRL5JTk1+T4KSBGHmDbD/ph0oXQxa/qSuAdpqM:mnSdsNdSJYUbdh9QxaFuAdpqKmY7

Score

10^/10

asyncrat default evasion rat trojan

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

mbaper-28496.portmap.host:2420

mbaper-28496.portmap.host:28833

Attributes

delay
1
install
true
install_file
Google.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

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	Google.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	Google.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	Google.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	Google.exe

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x001e00000002aaa2-11.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2860	Google.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	Google.exe

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

evasion

pid	Process
2448	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
4596	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
8	Infected.exe
1288	powershell.exe
1288	powershell.exe
4136	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	8	Infected.exe
Token: SeDebugPrivilege	2860	Google.exe
Token: SeDebugPrivilege	1288	powershell.exe
Token: SeDebugPrivilege	4136	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 2132	8	Infected.exe	77
PID 8 wrote to memory of 2132	8	Infected.exe	77
PID 8 wrote to memory of 2452	8	Infected.exe	79
PID 8 wrote to memory of 2452	8	Infected.exe	79
PID 2132 wrote to memory of 4596	2132	cmd.exe	81
PID 2132 wrote to memory of 4596	2132	cmd.exe	81
PID 2452 wrote to memory of 2448	2452	cmd.exe	82
PID 2452 wrote to memory of 2448	2452	cmd.exe	82
PID 2452 wrote to memory of 2860	2452	cmd.exe	83
PID 2452 wrote to memory of 2860	2452	cmd.exe	83
PID 2860 wrote to memory of 1288	2860	Google.exe	85
PID 2860 wrote to memory of 1288	2860	Google.exe	85
PID 2860 wrote to memory of 4136	2860	Google.exe	87
PID 2860 wrote to memory of 4136	2860	Google.exe	87

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Infected.exe
"C:\Users\Admin\AppData\Local\Temp\Infected.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:8
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Google" /tr '"C:\Users\Admin\AppData\Roaming\Google.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "Google" /tr '"C:\Users\Admin\AppData\Roaming\Google.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4596
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7ABE.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2448
- - C:\Users\Admin\AppData\Roaming\Google.exe
    "C:\Users\Admin\AppData\Roaming\Google.exe"
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2860
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1288
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add - MpPreference - ExclusionExtension ".exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
437395ef86850fbff98c12dff89eb621

SHA1
9cec41e230fa9839de1e5c42b7dbc8b31df0d69c

SHA256
9c39f3e1ee674a289926fddddfc5549740c488686ec6513f53848a225c192ba6

SHA512
bc669893f5c97e80a62fc3d15383ed7c62ffc86bc986401735903019bb96a5f13e4d0f6356baa2021267503a4eb62681e58e28fcff435350e83aa425fa76cd64

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
25fdee90fce7b0b96dc2ee97ec66834a

SHA1
c32a6f1e3b1033bec69a5a41de255c98944dcdc9

SHA256
c433a9b0345ba06be0b2acc2fcb9d689f81837ada86b6fee2fb2b4b838d1ea6c

SHA512
b76230cb1cee4dc3e434bc49b239525f4ea51f449b0587b828a8888c6ff54d26c5cd16219934dbe44d4f84057d8e77bbc458d71e55b10d79ef8d0eda74e7399d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vp1pjtq4.l3s.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7ABE.tmp.bat

Filesize
150B

MD5
6b2c45ea530e409c4e76ffac27fbd4aa

SHA1
e7a93754b0d52776ffce673b58c93f9cfe13255b

SHA256
95609da087d59fcaeab26afc9ef04a13930b165938c596067916b5345cd69e84

SHA512
f717630d9cab97821dd42292e51705afb7eeb51b0e939183daac94dbec1bc1dd61d0fd3ddda690b38ed7773121e1d003a863a3b080e0a9ee1dda691c4a483017

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

Filesize
63KB

MD5
abcbbfd4f4cdcef98962ad976802fb69

SHA1
ecce5776a92707e00b28441975e73a715f9e2185

SHA256
1ee1af228d0cfcf2beae5a2df53a291d24fb6213c5e453cfb09c155b20a7a965

SHA512
e38348d3f6983e02378dd4649630fd0a39ad6428bc82aa6f2738f1ec794b9b48db7457b3009f7f65e49fc5d994dcde6105fdf72bd572086d8017558aab541100

Download Submit
memory/8-8-0x00007FFE41EB0000-0x00007FFE42972000-memory.dmp

Filesize
10.8MB

Download
memory/8-0-0x00007FFE41EB3000-0x00007FFE41EB5000-memory.dmp

Filesize
8KB

Download
memory/8-3-0x00007FFE41EB0000-0x00007FFE42972000-memory.dmp

Filesize
10.8MB

Download
memory/8-2-0x00007FFE41EB0000-0x00007FFE42972000-memory.dmp

Filesize
10.8MB

Download
memory/8-1-0x0000000000670000-0x0000000000686000-memory.dmp

Filesize
88KB

Download
memory/1288-28-0x000002699EF90000-0x000002699EFB2000-memory.dmp

Filesize
136KB

Download
memory/2860-15-0x000000001D470000-0x000000001D4E6000-memory.dmp

Filesize
472KB

Download
memory/2860-16-0x000000001D4F0000-0x000000001D5A2000-memory.dmp

Filesize
712KB

Download
memory/2860-17-0x000000001D6A0000-0x000000001D6BE000-memory.dmp

Filesize
120KB

Download
memory/2860-18-0x000000001DD70000-0x000000001DD8C000-memory.dmp

Filesize
112KB

Download
memory/2860-19-0x000000001DD90000-0x000000001DDC4000-memory.dmp

Filesize
208KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads