asyncrat | dd3893426bcfecb6cabe3419b30d250731c4a81324b2adfe64d3d0f912eef301

General

Target

MicrosoftScript.ps1
Size

6KB
MD5

45f9661bb41a7c25b211f4e71ecdef09
SHA1

0cedd0635e20e7b61b0c507962d290db8c00d942
SHA256

dd3893426bcfecb6cabe3419b30d250731c4a81324b2adfe64d3d0f912eef301
SHA512

604a262ef96774b182455009119a87a85bdc5ec8d4ae656bc1e35b5de601bf840f786b7e070dffc02c88ed538095bbe49040af63cd1bdf6ccb69877111aa521e
SSDEEP

192:fF89UppmWcYXg4Uvmky5CzdCyusCjTf0p8:fF8SppmWtevmkkedCyhuAW

Score

10^/10

asyncrat dozzy[1]discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

Dozzy[1]

Mutex

Setup_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/AJqrj5ZH

aes.plain

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
19	3008	powershell.exe
21	3008	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3832	powershell.exe
3008	powershell.exe

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	WScript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
18	pastebin.com
19	pastebin.com
28	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 3420	3008	powershell.exe	94

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3832	powershell.exe
3832	powershell.exe
3008	powershell.exe
3008	powershell.exe
3420	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	3832	powershell.exe
Token: SeIncreaseQuotaPrivilege	3832	powershell.exe
Token: SeSecurityPrivilege	3832	powershell.exe
Token: SeTakeOwnershipPrivilege	3832	powershell.exe
Token: SeLoadDriverPrivilege	3832	powershell.exe
Token: SeSystemProfilePrivilege	3832	powershell.exe
Token: SeSystemtimePrivilege	3832	powershell.exe
Token: SeProfSingleProcessPrivilege	3832	powershell.exe
Token: SeIncBasePriorityPrivilege	3832	powershell.exe
Token: SeCreatePagefilePrivilege	3832	powershell.exe
Token: SeBackupPrivilege	3832	powershell.exe
Token: SeRestorePrivilege	3832	powershell.exe
Token: SeShutdownPrivilege	3832	powershell.exe
Token: SeDebugPrivilege	3832	powershell.exe
Token: SeSystemEnvironmentPrivilege	3832	powershell.exe
Token: SeRemoteShutdownPrivilege	3832	powershell.exe
Token: SeUndockPrivilege	3832	powershell.exe
Token: SeManageVolumePrivilege	3832	powershell.exe
Token: 33	3832	powershell.exe
Token: 34	3832	powershell.exe
Token: 35	3832	powershell.exe
Token: 36	3832	powershell.exe
Token: SeDebugPrivilege	3008	powershell.exe
Token: SeDebugPrivilege	3420	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3420	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2960	2336	WScript.exe	87
PID 2336 wrote to memory of 2960	2336	WScript.exe	87
PID 2960 wrote to memory of 3008	2960	cmd.exe	89
PID 2960 wrote to memory of 3008	2960	cmd.exe	89
PID 3008 wrote to memory of 3420	3008	powershell.exe	94
PID 3008 wrote to memory of 3420	3008	powershell.exe	94
PID 3008 wrote to memory of 3420	3008	powershell.exe	94
PID 3008 wrote to memory of 3420	3008	powershell.exe	94
PID 3008 wrote to memory of 3420	3008	powershell.exe	94
PID 3008 wrote to memory of 3420	3008	powershell.exe	94
PID 3008 wrote to memory of 3420	3008	powershell.exe	94
PID 3008 wrote to memory of 3420	3008	powershell.exe	94

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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\MicrosoftScript.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3832

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Public\vortex.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\vortex.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2960
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Public\vortex.ps1'"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3008
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
00e7da020005370a518c26d5deb40691

SHA1
389b34fdb01997f1de74a5a2be0ff656280c0432

SHA256
a529468d442b807290b41565130e4c52760af9abec37613114db3857f11ad4fe

SHA512
9a02bacc6fb922d6202548e80e345c6cdec346b79ef7ac7a56f89fd342ff128de004065b9d010d015b54d4ca72f665ca658c7ffcd8eb906e14bfa5b48b43f2cf

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

Filesize
1KB

MD5
ec9eb5e57cc0ad18f4cc68e00a7d8197

SHA1
81e07c4f25e1338e930310335227f661ac289a38

SHA256
29f7c1224e2047e1bc778047972af5ba51d61b1db3aa92f03d0bfe2282dcd12a

SHA512
a1ccd3c8bfd8e944de2d9afc5e0b1641e3e3a0269c13039056937fcda8fb67989d0a970fc4e8999450f9a77224b04ecb838dfdeef86471f412d7b3f4f815b2c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fjvn4fjc.gjc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\vortex.bat

Filesize
205B

MD5
9e080ffad515e7422eae88b1603dd245

SHA1
f778fc7bab19fa683955adb8e5b9a6a0d3e98799

SHA256
8ac42d8ea294305e1c06e2f1ccc0d2350f39b0b53d42046422ad6d88d73f7357

SHA512
9bca376fae8397e52c0afaed7d4e17a0628c8b275ebae621f42e7ed42f17193ca4a49ded1c58de7386683d7a1afd833869eb8dd173ea3ad1bc07ecb84284c0c7

Download Submit
C:\Users\Public\vortex.ps1

Filesize
1KB

MD5
447b55e5c593faa2ec0ab9de7cfb6d35

SHA1
19291456fc4d69858e39c1b9310175e27e7d0c46

SHA256
ef15530111872f9b1ea3754da1569b5379e54359c200ee0e97a990589b46bec1

SHA512
560071e4757243c1f8bbd4ce4da387f4e8368120bb331f53741c1ce8dceea4151e1b1374ade9ba93cc4c37bebd78ab848714909b1cc48fcce2a5128b40122f80

Download Submit
C:\Users\Public\vortex.vbs

Filesize
1KB

MD5
0308ee03b5a25139600c8b9ef7341b00

SHA1
8c33169449f22fdf32559b59752cd0de01595bf0

SHA256
786fd0de97c74547db9b970afa4eed09e16583b4ad5a2142ef42122068ac1f5b

SHA512
d813a012e35e2760a144aa1e05b80502fb2bfadfe5be620a8fdcde8e38c4068e91be2924c22fac351f6ec0b3d858f331eeebc6de9c91054fd31e1733a2d52ea5

Download Submit
memory/3008-37-0x000002645B720000-0x000002645B8E2000-memory.dmp

Filesize
1.8MB

Download
memory/3008-38-0x0000026442640000-0x000002644265A000-memory.dmp

Filesize
104KB

Download
memory/3420-47-0x0000000006900000-0x0000000006966000-memory.dmp

Filesize
408KB

Download
memory/3420-46-0x0000000006B90000-0x0000000006C2C000-memory.dmp

Filesize
624KB

Download
memory/3420-43-0x00000000064D0000-0x00000000064DA000-memory.dmp

Filesize
40KB

Download
memory/3420-42-0x0000000005710000-0x00000000057A2000-memory.dmp

Filesize
584KB

Download
memory/3420-41-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/3420-39-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3832-16-0x00007FFE57050000-0x00007FFE57B11000-memory.dmp

Filesize
10.8MB

Download
memory/3832-0-0x00007FFE57053000-0x00007FFE57055000-memory.dmp

Filesize
8KB

Download
memory/3832-10-0x00000214B2040000-0x00000214B2062000-memory.dmp

Filesize
136KB

Download
memory/3832-11-0x00007FFE57050000-0x00007FFE57B11000-memory.dmp

Filesize
10.8MB

Download
memory/3832-12-0x00007FFE57050000-0x00007FFE57B11000-memory.dmp

Filesize
10.8MB

Download
memory/3832-18-0x00007FFE57050000-0x00007FFE57B11000-memory.dmp

Filesize
10.8MB

Download
memory/3832-17-0x00007FFE57050000-0x00007FFE57B11000-memory.dmp

Filesize
10.8MB

Download
memory/3832-22-0x00007FFE57050000-0x00007FFE57B11000-memory.dmp

Filesize
10.8MB

Download
memory/3832-19-0x00007FFE57053000-0x00007FFE57055000-memory.dmp

Filesize
8KB

Download

Analysis

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