asyncrat | f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb

General

Target

try again please.exe
Size

47KB
MD5

be8251a986712feb5dfa8ce58aefd8ba
SHA1

4f6397e432799421ae91000bf01ef16b24e8ccf9
SHA256

f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb
SHA512

8169b0875ad4813107ccdb75b1fa4facba0c46a426325ee67cf84d32d4ed85d1ab582ee3e3bc5a297208cf076d88ca774c946e3e3c3e23940a01514098f5859f
SSDEEP

768:8uQKNTREhzxrWUXrm5mo2q7+XhN6DuP1DgPIdKol0bdyMt7raUVY4Klp7LBDZkx:8uQKNTR+W24DuPrdKoSbdPpraEYTJdkx

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:23198

benefits-required.gl.at.ply.gg:6606

benefits-required.gl.at.ply.gg:7707

benefits-required.gl.at.ply.gg:8808

benefits-required.gl.at.ply.gg:23198

Mutex

GLldzQVwvajy

Attributes

delay
3
install
true
install_file
roar.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/0x000600000001e754-12.dat	family_asyncrat

Checks computer location settings 2 TTPs 2 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	try again please.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	roar.exe

Executes dropped EXE 2 IoCs

pid	Process
832	roar.exe
4560	gjgzup.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
1368	powershell.exe

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 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	roar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gjgzup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	try again please.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1876	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
3364	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
4460	try again please.exe
1368	powershell.exe
1368	powershell.exe
832	roar.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	try again please.exe
Token: SeDebugPrivilege	832	roar.exe
Token: SeDebugPrivilege	1368	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 1564	4460	try again please.exe	83
PID 4460 wrote to memory of 1564	4460	try again please.exe	83
PID 4460 wrote to memory of 1564	4460	try again please.exe	83
PID 4460 wrote to memory of 4448	4460	try again please.exe	85
PID 4460 wrote to memory of 4448	4460	try again please.exe	85
PID 4460 wrote to memory of 4448	4460	try again please.exe	85
PID 1564 wrote to memory of 3364	1564	cmd.exe	87
PID 1564 wrote to memory of 3364	1564	cmd.exe	87
PID 1564 wrote to memory of 3364	1564	cmd.exe	87
PID 4448 wrote to memory of 1876	4448	cmd.exe	88
PID 4448 wrote to memory of 1876	4448	cmd.exe	88
PID 4448 wrote to memory of 1876	4448	cmd.exe	88
PID 4448 wrote to memory of 832	4448	cmd.exe	90
PID 4448 wrote to memory of 832	4448	cmd.exe	90
PID 4448 wrote to memory of 832	4448	cmd.exe	90
PID 832 wrote to memory of 4808	832	roar.exe	99
PID 832 wrote to memory of 4808	832	roar.exe	99
PID 832 wrote to memory of 4808	832	roar.exe	99
PID 4808 wrote to memory of 1368	4808	cmd.exe	101
PID 4808 wrote to memory of 1368	4808	cmd.exe	101
PID 4808 wrote to memory of 1368	4808	cmd.exe	101
PID 1368 wrote to memory of 4560	1368	powershell.exe	102
PID 1368 wrote to memory of 4560	1368	powershell.exe	102
PID 1368 wrote to memory of 4560	1368	powershell.exe	102

C:\Users\Admin\AppData\Local\Temp\try again please.exe
"C:\Users\Admin\AppData\Local\Temp\try again please.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "roar" /tr '"C:\Users\Admin\AppData\Roaming\roar.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1564
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "roar" /tr '"C:\Users\Admin\AppData\Roaming\roar.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3364
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC311.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4448
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1876
- - C:\Users\Admin\AppData\Roaming\roar.exe
    "C:\Users\Admin\AppData\Roaming\roar.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:832
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\gjgzup.exe"' & exit
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4808
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\gjgzup.exe"'
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1368
      - C:\Users\Admin\AppData\Local\Temp\gjgzup.exe
        
        "C:\Users\Admin\AppData\Local\Temp\gjgzup.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4dnsfgky.1fx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC311.tmp.bat

Filesize
148B

MD5
82f187899641c21e527c786154972790

SHA1
501a5c2bdf3658415d6b47f9426a9349e6e532ac

SHA256
96490d798422b6c9911c62bd9be1f34877f457d854ead94f5ae3e39cfc73bea3

SHA512
9cdb2b53675eb38b0e601e22556ff5822de597fab86fca2509ca0df4273e11c29f75a53d66ae3aaf0fe2625f82a5589e71fa2097183648fca57d9ab33b97e5f3

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

Filesize
47KB

MD5
be8251a986712feb5dfa8ce58aefd8ba

SHA1
4f6397e432799421ae91000bf01ef16b24e8ccf9

SHA256
f079245e344d5949ad5ea9de866853a65460834f7d26980346ceafe8b4e6b5bb

SHA512
8169b0875ad4813107ccdb75b1fa4facba0c46a426325ee67cf84d32d4ed85d1ab582ee3e3bc5a297208cf076d88ca774c946e3e3c3e23940a01514098f5859f

Download Submit
memory/832-18-0x0000000006240000-0x00000000067E4000-memory.dmp

Filesize
5.6MB

Download
memory/832-21-0x0000000006840000-0x000000000685E000-memory.dmp

Filesize
120KB

Download
memory/832-47-0x0000000006E10000-0x0000000006E88000-memory.dmp

Filesize
480KB

Download
memory/832-14-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/832-20-0x00000000061D0000-0x0000000006232000-memory.dmp

Filesize
392KB

Download
memory/832-19-0x0000000006870000-0x00000000068E6000-memory.dmp

Filesize
472KB

Download
memory/832-15-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1368-37-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

Filesize
120KB

Download
memory/1368-38-0x0000000006040000-0x000000000608C000-memory.dmp

Filesize
304KB

Download
memory/1368-41-0x00000000064D0000-0x00000000064F2000-memory.dmp

Filesize
136KB

Download
memory/1368-40-0x0000000006480000-0x000000000649A000-memory.dmp

Filesize
104KB

Download
memory/1368-24-0x00000000053D0000-0x00000000059F8000-memory.dmp

Filesize
6.2MB

Download
memory/1368-23-0x0000000002690000-0x00000000026C6000-memory.dmp

Filesize
216KB

Download
memory/1368-25-0x0000000005220000-0x0000000005242000-memory.dmp

Filesize
136KB

Download
memory/1368-31-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/1368-39-0x0000000007190000-0x0000000007226000-memory.dmp

Filesize
600KB

Download
memory/1368-36-0x0000000005C30000-0x0000000005F84000-memory.dmp

Filesize
3.3MB

Download
memory/4460-9-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4460-2-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4460-1-0x0000000000120000-0x0000000000132000-memory.dmp

Filesize
72KB

Download
memory/4460-3-0x0000000004AE0000-0x0000000004B46000-memory.dmp

Filesize
408KB

Download
memory/4460-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/4460-4-0x0000000004F30000-0x0000000004FCC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads