asyncrat | 96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a

General

Target
96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
Size 45KB
Sample260601-prskhsd19j
SHA256 96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a
MD5 1ca101eb92cf2a0534695e7ca6626848
SHA1 e49e6699f61d340de1e3b15319f6d97134cf2dbf
SHA512 8f5eef95ddccbbd5860fcbe1a3339689a830fc4ebfa301d908e36c50aab712a7cf23f01000c02b718328f862eda1457f0016a5d7ad4eb3cfb43c01423b36e676
SSDEEP 768:Yub+dT5UohzWUf8dBmo2qVOT9Qpm9PIXzjbpgX3iNtirlBDZrx:Yub+dT5Pk2ZQX3bmXSNti3drx
TLSH
T145231B003BE9813BF2BE4BB898F26145467AF6633603D94D6CC451DB5623FC68A426FD
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

lauxanh.co.uk:443
lauxanh.co.uk:80
lauxanh.co.uk:7797
lauxanh.co.uk:8707
lauxanh.co.uk:6620
www.lauxanh.co.uk:443
www.lauxanh.co.uk:80
www.lauxanh.co.uk:7797
www.lauxanh.co.uk:8707
www.lauxanh.co.uk:6620
downadup.lauxanh.co.uk:443
downadup.lauxanh.co.uk:80
downadup.lauxanh.co.uk:7797
downadup.lauxanh.co.uk:8707
downadup.lauxanh.co.uk:6620
rat.lauxanh.co.uk:443
rat.lauxanh.co.uk:80
rat.lauxanh.co.uk:7797
rat.lauxanh.co.uk:8707
rat.lauxanh.co.uk:6620
stuxnet.lauxanh.co.uk:443
stuxnet.lauxanh.co.uk:80
stuxnet.lauxanh.co.uk:7797
stuxnet.lauxanh.co.uk:8707
stuxnet.lauxanh.co.uk:6620

Mutex

VcCepsvB1WaX

Attributes

delay
0
install
true
install_file
ng5v9vk5.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
behavioral2/files/0x001d00000002b31d-8.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
3956	ng5v9vk5.exe
3280	ng5v9vk5.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	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ng5v9vk5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ng5v9vk5.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3712	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
3948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
Token: SeDebugPrivilege	3956	ng5v9vk5.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 672	1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe	81
PID 1228 wrote to memory of 5112	1228	96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe	83
PID 672 wrote to memory of 3948	672	cmd.exe	85
PID 5112 wrote to memory of 3712	5112	cmd.exe	86
PID 5112 wrote to memory of 3280	5112	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe
"C:\Users\Admin\AppData\Local\Temp\96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ng5v9vk5" /tr '"C:\Users\Admin\AppData\Roaming\ng5v9vk5.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:672
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ng5v9vk5" /tr '"C:\Users\Admin\AppData\Roaming\ng5v9vk5.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp20D1.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3712
- - C:\Users\Admin\AppData\Roaming\ng5v9vk5.exe
    "C:\Users\Admin\AppData\Roaming\ng5v9vk5.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3280

C:\Users\Admin\AppData\Roaming\ng5v9vk5.exe
"C:\Users\Admin\AppData\Roaming\ng5v9vk5.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3956

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

System Information Discovery

1

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

tmp20D1.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp20D1.tmp.bat
Size 152B
SHA256 530930a68e9f71f2194a869106c2445c57b3c90c442b92dfc3fc9b38632763fd
MD5 711bbf4550214d3eda668ccfee7a9635
SHA1 0f7a1dae9b7bd9eea7162cb34d398ac256b37cb2
SHA512 73fb079059b3fd5b5870bcffaa736dbbcd37ab5876449e3dc73a8ec62355d045d6b486a8c0e8c4b8cdee734eebe4e8aa3320f73814d1f346fcdcced9fc16005d
TLSH
T1C7C02B4262D5EA5E290F289307FBD4ACD1B26C293F40FF00CF44400D128084AF4D9387
MD5 SHA1 SHA512 TLSH

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ng5v9vk5.exe

Path C:\Users\Admin\AppData\Roaming\ng5v9vk5.exe
Size 45KB
SHA256 96644231e8b30d1edd3a173917869c5a760949e9a103b1d42c5b168547eb813a
MD5 1ca101eb92cf2a0534695e7ca6626848
SHA1 e49e6699f61d340de1e3b15319f6d97134cf2dbf
SHA512 8f5eef95ddccbbd5860fcbe1a3339689a830fc4ebfa301d908e36c50aab712a7cf23f01000c02b718328f862eda1457f0016a5d7ad4eb3cfb43c01423b36e676
SSDEEP 768:Yub+dT5UohzWUf8dBmo2qVOT9Qpm9PIXzjbpgX3iNtirlBDZrx:Yub+dT5Pk2ZQX3bmXSNti3drx
TLSH
T145231B003BE9813BF2BE4BB898F26145467AF6633603D94D6CC451DB5623FC68A426FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1228-0-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

Download

memory/1228-1-0x0000000005800000-0x0000000005810000-memory.dmp

Download

memory/1228-2-0x00000000056E0000-0x000000000577C000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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