asyncrat | 6ffe8e2aa7ebc17267ea90ddc0449d4f60306befd644adb60a26cbf9690f8ec6

General

Target

988b8d3ae9f2303ee25180c3aba36130N.exe
Size

60KB
MD5

988b8d3ae9f2303ee25180c3aba36130
SHA1

8b582769709c5c762740631a0aefc7f93f51c1c9
SHA256

6ffe8e2aa7ebc17267ea90ddc0449d4f60306befd644adb60a26cbf9690f8ec6
SHA512

21e11756a79b13fce2f5df5fca50ad18696fa6eba2b13245afef12d10cd9840761e0e4519e85cee5d5ac3fbac9c8b37aabec1e79e96a913277abc43ba1201832
SSDEEP

1536:lEKVoSSTTeBfSIUG+q25b4MwXVwcTXAFI1+:uKiiBqIUG+q25b4McTXAag

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

SuperBoo Rat v1.1

Botnet

Default

C2

com-distinct.gl.at.ply.gg:26706

Mutex

SuperBoo_mtex_920393

Attributes

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

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000a00000002338a-12.dat	family_asyncrat

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	988b8d3ae9f2303ee25180c3aba36130N.exe

Executes dropped EXE 1 IoCs

pid	Process
3456	ratted.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3232	3456	WerFault.exe	97

System Location Discovery: System Language Discovery 1 TTPs 6 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	988b8d3ae9f2303ee25180c3aba36130N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ratted.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2144	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
436	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
1076	988b8d3ae9f2303ee25180c3aba36130N.exe
3456	ratted.exe
3456	ratted.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1076	988b8d3ae9f2303ee25180c3aba36130N.exe
Token: SeDebugPrivilege	3456	ratted.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1184	1076	988b8d3ae9f2303ee25180c3aba36130N.exe	90
PID 1076 wrote to memory of 1184	1076	988b8d3ae9f2303ee25180c3aba36130N.exe	90
PID 1076 wrote to memory of 1184	1076	988b8d3ae9f2303ee25180c3aba36130N.exe	90
PID 1076 wrote to memory of 5028	1076	988b8d3ae9f2303ee25180c3aba36130N.exe	92
PID 1076 wrote to memory of 5028	1076	988b8d3ae9f2303ee25180c3aba36130N.exe	92
PID 1076 wrote to memory of 5028	1076	988b8d3ae9f2303ee25180c3aba36130N.exe	92
PID 5028 wrote to memory of 2144	5028	cmd.exe	94
PID 5028 wrote to memory of 2144	5028	cmd.exe	94
PID 5028 wrote to memory of 2144	5028	cmd.exe	94
PID 1184 wrote to memory of 436	1184	cmd.exe	95
PID 1184 wrote to memory of 436	1184	cmd.exe	95
PID 1184 wrote to memory of 436	1184	cmd.exe	95
PID 5028 wrote to memory of 3456	5028	cmd.exe	97
PID 5028 wrote to memory of 3456	5028	cmd.exe	97
PID 5028 wrote to memory of 3456	5028	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\988b8d3ae9f2303ee25180c3aba36130N.exe
"C:\Users\Admin\AppData\Local\Temp\988b8d3ae9f2303ee25180c3aba36130N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ratted" /tr '"C:\Users\Admin\AppData\Roaming\ratted.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ratted" /tr '"C:\Users\Admin\AppData\Roaming\ratted.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:436
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8368.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5028
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2144
- - C:\Users\Admin\AppData\Roaming\ratted.exe
    "C:\Users\Admin\AppData\Roaming\ratted.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3456
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 816
      4⤵
      Program crash
      PID:3232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3456 -ip 3456
1⤵
PID:4456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\tmp8368.tmp.bat

Filesize
150B

MD5
2784a1a190d9c8d3f94afc38196d320f

SHA1
7c010548d4ffdc4fdce3c955ca1ec82572ea851a

SHA256
a2b34cfb1ed3c16375302e4e6efc2b351617fe367d356b31bbe8033ca202c1c6

SHA512
971d751919c36f608014834a52482fdf42ff0ddee990689c4c404aa9202c28bab632840a8d42ead4d44f34b5ba47ad47ec2db24014d2ee7251e5a32f3afc2502

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

Filesize
60KB

MD5
988b8d3ae9f2303ee25180c3aba36130

SHA1
8b582769709c5c762740631a0aefc7f93f51c1c9

SHA256
6ffe8e2aa7ebc17267ea90ddc0449d4f60306befd644adb60a26cbf9690f8ec6

SHA512
21e11756a79b13fce2f5df5fca50ad18696fa6eba2b13245afef12d10cd9840761e0e4519e85cee5d5ac3fbac9c8b37aabec1e79e96a913277abc43ba1201832

Download Submit
memory/1076-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/1076-1-0x00000000003B0000-0x00000000003C6000-memory.dmp

Filesize
88KB

Download
memory/1076-2-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1076-3-0x0000000005370000-0x00000000053D6000-memory.dmp

Filesize
408KB

Download
memory/1076-4-0x0000000005810000-0x00000000058AC000-memory.dmp

Filesize
624KB

Download
memory/1076-10-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/3456-14-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3456-15-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads