asyncrat | 46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014

General

Target
46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
Size 45KB
Sample260918-rf5f2swgla
SHA256 46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014
MD5 61ed2b9efa689ce5ba2b2612a0a91b92
SHA1 06e1ae9efa5703f1a3f86f9b9e0c7b08f3cce68b
SHA512 422fbb023086f466c6fe827450ca37ea629d465dab43dc288e77d0522d7fc09f7b40536bd4c8244fe10743476c68c1419f31c625fe718e500365921413e77272
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAjb3/GYjHuPInzjbrgXoi3qiebJvBDZcx:UuKWgSJTwRf2TL/3n3bUXlPqJZdcx
TLSH
T1A6231A003BE9812BF2BE4FB8ACF26145867AF5637603D6492CC451D75623FC68A436ED
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

motchillzw.cc:80
motchillzw.cc:22
motchillzw.cc:8080
motchillzw.cc:8880
motchillzw.cc:2052
motchillzw.cc:2082
motchillzw.cc:2086
motchillzw.cc:2095
motchillzw.cc:443
motchillzw.cc:2053
motchillzw.cc:2083
motchillzw.cc:2087
motchillzw.cc:2096
motchillzw.cc:8443
www.motchillzw.cc:80
www.motchillzw.cc:22
www.motchillzw.cc:8080
www.motchillzw.cc:8880
www.motchillzw.cc:2052
www.motchillzw.cc:2082
www.motchillzw.cc:2086
www.motchillzw.cc:2095
www.motchillzw.cc:443
www.motchillzw.cc:2053
www.motchillzw.cc:2083
www.motchillzw.cc:2087
www.motchillzw.cc:2096
www.motchillzw.cc:8443
lokibot.motchillzw.cc:80
lokibot.motchillzw.cc:22
lokibot.motchillzw.cc:8080
lokibot.motchillzw.cc:8880
lokibot.motchillzw.cc:2052
lokibot.motchillzw.cc:2082
lokibot.motchillzw.cc:2086
lokibot.motchillzw.cc:2095
lokibot.motchillzw.cc:443
lokibot.motchillzw.cc:2053
lokibot.motchillzw.cc:2083
lokibot.motchillzw.cc:2087
lokibot.motchillzw.cc:2096
lokibot.motchillzw.cc:8443
triton.motchillzw.cc:80
triton.motchillzw.cc:22
triton.motchillzw.cc:8080
triton.motchillzw.cc:8880
triton.motchillzw.cc:2052
triton.motchillzw.cc:2082
triton.motchillzw.cc:2086
triton.motchillzw.cc:2095
triton.motchillzw.cc:443
triton.motchillzw.cc:2053
triton.motchillzw.cc:2083
triton.motchillzw.cc:2087
triton.motchillzw.cc:2096
triton.motchillzw.cc:8443
remote.motchillzw.cc:80
remote.motchillzw.cc:22
remote.motchillzw.cc:8080
remote.motchillzw.cc:8880
remote.motchillzw.cc:2052
remote.motchillzw.cc:2082
remote.motchillzw.cc:2086
remote.motchillzw.cc:2095
remote.motchillzw.cc:443
remote.motchillzw.cc:2053
remote.motchillzw.cc:2083
remote.motchillzw.cc:2087
remote.motchillzw.cc:2096
remote.motchillzw.cc:8443
azorult.motchillzw.cc:80
azorult.motchillzw.cc:22
azorult.motchillzw.cc:8080
azorult.motchillzw.cc:8880
azorult.motchillzw.cc:2052
azorult.motchillzw.cc:2082
azorult.motchillzw.cc:2086
azorult.motchillzw.cc:2095
azorult.motchillzw.cc:443
azorult.motchillzw.cc:2053
azorult.motchillzw.cc:2083
azorult.motchillzw.cc:2087
azorult.motchillzw.cc:2096
azorult.motchillzw.cc:8443

Mutex

3Q15XfN6EyXn

Attributes

delay
0
install
true
install_file
qbxshjxo.exe
install_folder
%AppData%

aes.plain

Signatures

Family: 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
behavioral1/files/0x0008000000021709-8.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-1-5-21-681733028-2344970462-962213935-1000\Control Panel\International\Geo\Nation	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe

Executes dropped EXE 2 IoCs

pid	Process
5316	qbxshjxo.exe
3828	qbxshjxo.exe

Outbound SSH connection to public host 2 TTPs 2 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc	pid	Process
SSH destination	57	104.21.68.151:22	5316	qbxshjxo.exe
SSH destination	65	172.67.196.82:22	5316	qbxshjxo.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4644	cmd.exe
6012	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qbxshjxo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qbxshjxo.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1436	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
5876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
Token: SeDebugPrivilege	5316	qbxshjxo.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5268 wrote to memory of 4644	5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe	84
PID 5268 wrote to memory of 6012	5268	46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe	86
PID 6012 wrote to memory of 1436	6012	cmd.exe	88
PID 4644 wrote to memory of 5876	4644	cmd.exe	89
PID 6012 wrote to memory of 3828	6012	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe
"C:\Users\Admin\AppData\Local\Temp\46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "qbxshjxo" /tr '"C:\Users\Admin\AppData\Roaming\qbxshjxo.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "qbxshjxo" /tr '"C:\Users\Admin\AppData\Roaming\qbxshjxo.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5876
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp992E.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6012
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1436
- - C:\Users\Admin\AppData\Roaming\qbxshjxo.exe
    "C:\Users\Admin\AppData\Roaming\qbxshjxo.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3828

C:\Users\Admin\AppData\Roaming\qbxshjxo.exe
"C:\Users\Admin\AppData\Roaming\qbxshjxo.exe"
1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5316

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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

Network Service Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

1

T1572

Exfiltration

Impact

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Downloads

tmp992E.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp992E.tmp.bat
Size 152B
SHA256 63d20a69a461c78658aada7b765271dda0e9c4ab7afac0b5d31043342ff27160
MD5 84583d5bd5e51ca3ed5adb0363f707fc
SHA1 ae3e530e509b8110fe4ea4c22d22835c0d726b01
SHA512 cfaa3b4421270b74d1df6198bfcc8b34021725a66d69bc2dac277b1c77f3c6424271f226ea03798a51dd84c1d872edad0721b395152d355701447d911fb7b734
TLSH
T105C02B4351C5FA0F3C05245702FFD88D9177BC193F40BF50C708489E1280849F0D9341
MD5 SHA1 SHA512 TLSH

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qbxshjxo.exe

Path C:\Users\Admin\AppData\Roaming\qbxshjxo.exe
Size 45KB
SHA256 46c510e4ed83249c5983ffb3f2b0c689d7085afa816d67ae070d26c92d2d2014
MD5 61ed2b9efa689ce5ba2b2612a0a91b92
SHA1 06e1ae9efa5703f1a3f86f9b9e0c7b08f3cce68b
SHA512 422fbb023086f466c6fe827450ca37ea629d465dab43dc288e77d0522d7fc09f7b40536bd4c8244fe10743476c68c1419f31c625fe718e500365921413e77272
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qAjb3/GYjHuPInzjbrgXoi3qiebJvBDZcx:UuKWgSJTwRf2TL/3n3bUXlPqJZdcx
TLSH
T1A6231A003BE9812BF2BE4FB8ACF26145867AF5637603D6492CC451D75623FC68A436ED
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/5268-0-0x0000000000A10000-0x0000000000A22000-memory.dmp

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memory/5268-1-0x00000000053B0000-0x00000000053C0000-memory.dmp

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memory/5268-2-0x0000000005310000-0x00000000053AC000-memory.dmp

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memory/5316-10-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

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memory/5316-13-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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