asyncrat | 3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34

General

Target
3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
Size 45KB
Sample260714-pc4n8set8w
SHA256 3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34
MD5 062a2808d39cc3f9d32b8da79714e472
SHA1 3b978aca1796bdfab235509e07173331664ec789
SHA512 fa8a58dc56c27b2182b0d24f668a1c22fef1cc57ae446072dd379ee009e51377d65e9adabe05c2dd9af4293bb1c2c1185b32fbbf29defe358a060a0ce292a0f9
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9L9Yq3q3hOPI2zjbugX3in00tgKVvoTeI4UBDZsx:EufspTf2g2GaCq323bRXSntTvcZdsx
TLSH
T17D233A003BE9C12BF2BE5F789CF26145867AB5633603D64A1CC411DB5713BC68A52AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

dagatructiep.ph:80
dagatructiep.ph:22
dagatructiep.ph:8080
dagatructiep.ph:8880
dagatructiep.ph:2052
dagatructiep.ph:2082
dagatructiep.ph:2086
dagatructiep.ph:2095
dagatructiep.ph:443
dagatructiep.ph:2053
dagatructiep.ph:2083
dagatructiep.ph:2087
dagatructiep.ph:2096
dagatructiep.ph:8443
www.dagatructiep.ph:80
www.dagatructiep.ph:22
www.dagatructiep.ph:8080
www.dagatructiep.ph:8880
www.dagatructiep.ph:2052
www.dagatructiep.ph:2082
www.dagatructiep.ph:2086
www.dagatructiep.ph:2095
www.dagatructiep.ph:443
www.dagatructiep.ph:2053
www.dagatructiep.ph:2083
www.dagatructiep.ph:2087
www.dagatructiep.ph:2096
www.dagatructiep.ph:8443
client.dagatructiep.ph:80
client.dagatructiep.ph:22
client.dagatructiep.ph:8080
client.dagatructiep.ph:8880
client.dagatructiep.ph:2052
client.dagatructiep.ph:2082
client.dagatructiep.ph:2086
client.dagatructiep.ph:2095
client.dagatructiep.ph:443
client.dagatructiep.ph:2053
client.dagatructiep.ph:2083
client.dagatructiep.ph:2087
client.dagatructiep.ph:2096
client.dagatructiep.ph:8443
formbook.dagatructiep.ph:80
formbook.dagatructiep.ph:22
formbook.dagatructiep.ph:8080
formbook.dagatructiep.ph:8880
formbook.dagatructiep.ph:2052
formbook.dagatructiep.ph:2082
formbook.dagatructiep.ph:2086
formbook.dagatructiep.ph:2095
formbook.dagatructiep.ph:443
formbook.dagatructiep.ph:2053
formbook.dagatructiep.ph:2083
formbook.dagatructiep.ph:2087
formbook.dagatructiep.ph:2096
formbook.dagatructiep.ph:8443
sodinokibi.dagatructiep.ph:80
sodinokibi.dagatructiep.ph:22
sodinokibi.dagatructiep.ph:8080
sodinokibi.dagatructiep.ph:8880
sodinokibi.dagatructiep.ph:2052
sodinokibi.dagatructiep.ph:2082
sodinokibi.dagatructiep.ph:2086
sodinokibi.dagatructiep.ph:2095
sodinokibi.dagatructiep.ph:443
sodinokibi.dagatructiep.ph:2053
sodinokibi.dagatructiep.ph:2083
sodinokibi.dagatructiep.ph:2087
sodinokibi.dagatructiep.ph:2096
sodinokibi.dagatructiep.ph:8443

Mutex

g39aDtV8CBNQ

Attributes

delay
0
install
true
install_file
3td3s9g.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 2 IoCs

rat

resource	yara_rule
behavioral1/files/0x000300000001e69b-8.dat	family_asyncrat
behavioral1/memory/1872-10-0x0000000002E70000-0x0000000002E80000-memory.dmp	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-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe

Executes dropped EXE 2 IoCs

pid	Process
1872	3td3s9g.exe
732	3td3s9g.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 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3td3s9g.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3td3s9g.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4484	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
5116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
Token: SeDebugPrivilege	1872	3td3s9g.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 4768	2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe	86
PID 2284 wrote to memory of 4764	2284	3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe	88
PID 4764 wrote to memory of 4484	4764	cmd.exe	90
PID 4768 wrote to memory of 5116	4768	cmd.exe	91
PID 4764 wrote to memory of 732	4764	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe
"C:\Users\Admin\AppData\Local\Temp\3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3td3s9g" /tr '"C:\Users\Admin\AppData\Roaming\3td3s9g.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "3td3s9g" /tr '"C:\Users\Admin\AppData\Roaming\3td3s9g.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5116
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp56F5.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4764
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4484
- - C:\Users\Admin\AppData\Roaming\3td3s9g.exe
    "C:\Users\Admin\AppData\Roaming\3td3s9g.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:732

C:\Users\Admin\AppData\Roaming\3td3s9g.exe
"C:\Users\Admin\AppData\Roaming\3td3s9g.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1872

Network

MITRE ATT&CK Enterprise v16

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

tmp56F5.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp56F5.tmp.bat
Size 151B
SHA256 c1254e35ee2149ba5f992555033d918c0d47f23604cd6354a566e7fe9e7f113e
MD5 a49c951d9787179fd5b756280c4a6001
SHA1 2063882b3baf1ea4f13f78e1d5b2b46acc26d7bf
SHA512 f8a354afc79b4078774fedb7e62bb469497167665b8aa08ee5dab24ea8d6bf4896ecbff863e60744aad3c0863121f04c3c84e1b285b88b6a869651d80bca145f
TLSH
T195C02B42D1C5EA8E2809642303FAD99CB2B26D6F3F40BF00C30C840E2680889F0DD341
MD5 SHA1 SHA512 TLSH

Submit Download

3td3s9g.exe

Path C:\Users\Admin\AppData\Roaming\3td3s9g.exe
Size 45KB
SHA256 3dd224901caa924dcc61421f9ff05ef129d253387fbc0e400608129f37870b34
MD5 062a2808d39cc3f9d32b8da79714e472
SHA1 3b978aca1796bdfab235509e07173331664ec789
SHA512 fa8a58dc56c27b2182b0d24f668a1c22fef1cc57ae446072dd379ee009e51377d65e9adabe05c2dd9af4293bb1c2c1185b32fbbf29defe358a060a0ce292a0f9
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9L9Yq3q3hOPI2zjbugX3in00tgKVvoTeI4UBDZsx:EufspTf2g2GaCq323bRXSntTvcZdsx
TLSH
T17D233A003BE9C12BF2BE5F789CF26145867AB5633603D64A1CC411DB5713BC68A52AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1872-10-0x0000000002E70000-0x0000000002E80000-memory.dmp

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memory/1872-13-0x0000000002E70000-0x0000000002E80000-memory.dmp

Download

memory/2284-0-0x0000000000C20000-0x0000000000C32000-memory.dmp

Download

memory/2284-1-0x0000000005570000-0x0000000005580000-memory.dmp

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memory/2284-2-0x0000000005620000-0x00000000056BC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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