asyncrat | fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd

General

Target
fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
Size 45KB
Sample260531-ab7beahs7k
SHA256 fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd
MD5 cc617efad03c67e02d9a0fb939ff6320
SHA1 97b18939c696542abe8fce411a7fa390b7a0ce01
SHA512 183dfc937856fa7a9e65ce8fd90c04ee47af8d34c60d22767048f1226dd1a3b6c104aaaf54c2def93c9418999804fd3978a9827fd2dafff05edab80a81344c0e
SSDEEP 768:QufMpT8AkKuWUch7wmo2q9q6q0ynzFOPIlzjbCgRio8nkTWy3zHbqVBDZTx:QufMpT8Hv2H6da3l3blAoFp3D27dTx
TLSH
T1F4233A003BE9812BF2BE4F78ACF26145467AF1633603DA4E1CC4519B5713BC68A526FE
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

heodam69.com:443
heodam69.com:80
heodam69.com:7797
heodam69.com:8707
heodam69.com:6620
www.heodam69.com:443
www.heodam69.com:80
www.heodam69.com:7797
www.heodam69.com:8707
www.heodam69.com:6620
qbot.heodam69.com:443
qbot.heodam69.com:80
qbot.heodam69.com:7797
qbot.heodam69.com:8707
qbot.heodam69.com:6620
conti.heodam69.com:443
conti.heodam69.com:80
conti.heodam69.com:7797
conti.heodam69.com:8707
conti.heodam69.com:6620
malware.heodam69.com:443
malware.heodam69.com:80
malware.heodam69.com:7797
malware.heodam69.com:8707
malware.heodam69.com:6620
client.heodam69.com:443
client.heodam69.com:80
client.heodam69.com:7797
client.heodam69.com:8707
client.heodam69.com:6620

Mutex

hj7PeTNWCQl6

Attributes

delay
0
install
true
install_file
6j7psln.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/0x000800000002a19a-8.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1708	6j7psln.exe
5320	6j7psln.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	6j7psln.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6j7psln.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4960	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
5180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
Token: SeDebugPrivilege	1708	6j7psln.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 4416	2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe	80
PID 2352 wrote to memory of 2224	2352	fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe	82
PID 4416 wrote to memory of 5180	4416	cmd.exe	84
PID 2224 wrote to memory of 4960	2224	cmd.exe	85
PID 2224 wrote to memory of 5320	2224	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe
"C:\Users\Admin\AppData\Local\Temp\fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "6j7psln" /tr '"C:\Users\Admin\AppData\Roaming\6j7psln.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4416
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "6j7psln" /tr '"C:\Users\Admin\AppData\Roaming\6j7psln.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5180
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2352.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4960
- - C:\Users\Admin\AppData\Roaming\6j7psln.exe
    "C:\Users\Admin\AppData\Roaming\6j7psln.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5320

C:\Users\Admin\AppData\Roaming\6j7psln.exe
"C:\Users\Admin\AppData\Roaming\6j7psln.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1708

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

tmp2352.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp2352.tmp.bat
Size 151B
SHA256 e135e094aea52da6175eb56f5f6e85c2aaa394c51ed37f2f0b0787b193a04f02
MD5 e3fbdcc0e8b537ef304ba12646d301a0
SHA1 d0de045a5e95bd1afadd190cb87ef0b3b73e4fe2
SHA512 7a07f8452abab3e510be63c0f3ba4459b906c85c0d4e9f198d2e6f7a8e9c68436d15df75bf95cdc3e1ec1d6544fc0b547441502bba71b5949f162fc356a02c63
TLSH
T189C02B8267CAEE1E6D0654630BFED5DCA17AAC693F40FB00C344C41D12C0848F8D93C1
MD5 SHA1 SHA512 TLSH

Submit Download

6j7psln.exe

Path C:\Users\Admin\AppData\Roaming\6j7psln.exe
Size 45KB
SHA256 fec1c90ea2250992324de9bfd26a8a3423cdef1913f19b93b6e60e0ccad1d4fd
MD5 cc617efad03c67e02d9a0fb939ff6320
SHA1 97b18939c696542abe8fce411a7fa390b7a0ce01
SHA512 183dfc937856fa7a9e65ce8fd90c04ee47af8d34c60d22767048f1226dd1a3b6c104aaaf54c2def93c9418999804fd3978a9827fd2dafff05edab80a81344c0e
SSDEEP 768:QufMpT8AkKuWUch7wmo2q9q6q0ynzFOPIlzjbCgRio8nkTWy3zHbqVBDZTx:QufMpT8Hv2H6da3l3blAoFp3D27dTx
TLSH
T1F4233A003BE9812BF2BE4F78ACF26145467AF1633603DA4E1CC4519B5713BC68A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2352-0-0x0000000000DE0000-0x0000000000DF2000-memory.dmp

Download

memory/2352-1-0x0000000005970000-0x0000000005980000-memory.dmp

Download

memory/2352-2-0x0000000005860000-0x00000000058FC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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