asyncrat | 4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c

General

Target
4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
Size 45KB
Sample260711-m9s8naay91
SHA256 4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c
MD5 c7f64a54fb7435827f87f412fce5b5b8
SHA1 ee4e9174dc337565aca7b983d4121ef6e9310152
SHA512 fd9df1fb795d0c06a384955ff5686c1b4777006731beb222f4dbb1d8059f87b9e89ce09206f814c2fd26a97ceea7be15b5d1d648336ebb95543f77782ae5fa70
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qA3BzCQKx7PImVjbigX3iO2h48qQ0PH8XBDZcx:UuKWgSJTwRf2no0m9bFXSp9ZeH8Rdcx
TLSH
T107231A003BD8813BF2BE5FB858F26145467AF6633603D9496CC451DB5A23FC68A426ED
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
gh0st.dagatructiep.ph:80
gh0st.dagatructiep.ph:22
gh0st.dagatructiep.ph:8080
gh0st.dagatructiep.ph:8880
gh0st.dagatructiep.ph:2052
gh0st.dagatructiep.ph:2082
gh0st.dagatructiep.ph:2086
gh0st.dagatructiep.ph:2095
gh0st.dagatructiep.ph:443
gh0st.dagatructiep.ph:2053
gh0st.dagatructiep.ph:2083
gh0st.dagatructiep.ph:2087
gh0st.dagatructiep.ph:2096
gh0st.dagatructiep.ph:8443
connect.dagatructiep.ph:80
connect.dagatructiep.ph:22
connect.dagatructiep.ph:8080
connect.dagatructiep.ph:8880
connect.dagatructiep.ph:2052
connect.dagatructiep.ph:2082
connect.dagatructiep.ph:2086
connect.dagatructiep.ph:2095
connect.dagatructiep.ph:443
connect.dagatructiep.ph:2053
connect.dagatructiep.ph:2083
connect.dagatructiep.ph:2087
connect.dagatructiep.ph:2096
connect.dagatructiep.ph:8443
nimda.dagatructiep.ph:80
nimda.dagatructiep.ph:22
nimda.dagatructiep.ph:8080
nimda.dagatructiep.ph:8880
nimda.dagatructiep.ph:2052
nimda.dagatructiep.ph:2082
nimda.dagatructiep.ph:2086
nimda.dagatructiep.ph:2095
nimda.dagatructiep.ph:443
nimda.dagatructiep.ph:2053
nimda.dagatructiep.ph:2083
nimda.dagatructiep.ph:2087
nimda.dagatructiep.ph:2096
nimda.dagatructiep.ph:8443
malware.dagatructiep.ph:80
malware.dagatructiep.ph:22
malware.dagatructiep.ph:8080
malware.dagatructiep.ph:8880
malware.dagatructiep.ph:2052
malware.dagatructiep.ph:2082
malware.dagatructiep.ph:2086
malware.dagatructiep.ph:2095
malware.dagatructiep.ph:443
malware.dagatructiep.ph:2053
malware.dagatructiep.ph:2083
malware.dagatructiep.ph:2087
malware.dagatructiep.ph:2096
malware.dagatructiep.ph:8443

Mutex

gelPi1QImiRv

Attributes

delay
0
install
true
install_file
i3zoacad.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/0x00060000000231d3-8.dat	family_asyncrat
behavioral1/memory/4972-10-0x0000000004CF0000-0x0000000004D00000-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-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe

Executes dropped EXE 2 IoCs

pid	Process
4972	i3zoacad.exe
648	i3zoacad.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	i3zoacad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.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	i3zoacad.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3628	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
4428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
Token: SeDebugPrivilege	4972	i3zoacad.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1236	2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe	85
PID 2488 wrote to memory of 2940	2488	4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe	87
PID 2940 wrote to memory of 3628	2940	cmd.exe	89
PID 1236 wrote to memory of 4428	1236	cmd.exe	90
PID 2940 wrote to memory of 648	2940	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe
"C:\Users\Admin\AppData\Local\Temp\4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "i3zoacad" /tr '"C:\Users\Admin\AppData\Roaming\i3zoacad.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "i3zoacad" /tr '"C:\Users\Admin\AppData\Roaming\i3zoacad.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4428
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp46D8.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3628
- - C:\Users\Admin\AppData\Roaming\i3zoacad.exe
    "C:\Users\Admin\AppData\Roaming\i3zoacad.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:648

C:\Users\Admin\AppData\Roaming\i3zoacad.exe
"C:\Users\Admin\AppData\Roaming\i3zoacad.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4972

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

tmp46D8.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp46D8.tmp.bat
Size 152B
SHA256 975d8783288f64ca65830a6be2865f6e26041dbe4ea93aa4bd449a9a3951209b
MD5 e351fd85b3955007edf23c447fbdbbac
SHA1 c12d3ea96368bc1140097d22ea926b7ab66130c1
SHA512 22b0a902fd9c62efdf0c6d0a4e6326b0abfc1020101dfaeedfa37425f154e75cd953f3b5061a688a872257b486121d434425d3853637555202df9bfff574ac05
TLSH
T18AC02B8396C7EA0E290A782302FED4AC91726C593FC0BF20E304804E1280449F4DD342
MD5 SHA1 SHA512 TLSH

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i3zoacad.exe

Path C:\Users\Admin\AppData\Roaming\i3zoacad.exe
Size 45KB
SHA256 4e7f4cf2949c8fc5126a10e2b0963ffd532c782946adb00946ac41ee55960e4c
MD5 c7f64a54fb7435827f87f412fce5b5b8
SHA1 ee4e9174dc337565aca7b983d4121ef6e9310152
SHA512 fd9df1fb795d0c06a384955ff5686c1b4777006731beb222f4dbb1d8059f87b9e89ce09206f814c2fd26a97ceea7be15b5d1d648336ebb95543f77782ae5fa70
SSDEEP 768:UuKWgSJTwU6NkWUGnaSmo2qA3BzCQKx7PImVjbigX3iO2h48qQ0PH8XBDZcx:UuKWgSJTwRf2no0m9bFXSp9ZeH8Rdcx
TLSH
T107231A003BD8813BF2BE5FB858F26145467AF6633603D9496CC451DB5A23FC68A426ED
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2488-0-0x0000000000A70000-0x0000000000A82000-memory.dmp

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memory/2488-1-0x0000000005490000-0x00000000054A0000-memory.dmp

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memory/2488-2-0x00000000054A0000-0x000000000553C000-memory.dmp

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memory/4972-10-0x0000000004CF0000-0x0000000004D00000-memory.dmp

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memory/4972-13-0x0000000004CF0000-0x0000000004D00000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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