asyncrat | ae1fa5cd3f3c4503275743c6504e60529d6fe6ff61031d4a2b8cb67aaf98c3c0

General

Target

equalizer-apo64.exe
Size

74KB
MD5

42681e226021bc8ab9b24624ee36f4bc
SHA1

6e13e03622b706ff9ed6fa9d29fc22d70a535d66
SHA256

ae1fa5cd3f3c4503275743c6504e60529d6fe6ff61031d4a2b8cb67aaf98c3c0
SHA512

9df2c9273d0796139583874cf76e22f2fd5128019d55543a1a9b8c8183ef046c4754e09675faede01740afdc08f1672d8d563ea3fbc7f21f07593ec6a226b6c9
SSDEEP

1536:zUq0cxVGlCBiPMVbCXFLMCWf/93I8H1bv/hXu0pQzc2LVclN:zUTcxVMWiPMVeXeCWf/99H1bvpQPBY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

147.185.221.18:4449

147.185.221.18:324150

Mutex

agcwszxuvzsbkybdmbu

Attributes

delay
1
install
true
install_file
equalizer-apo64.exe
install_folder
%AppData%

aes.plain

Signatures

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/0x0008000000019444-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2772	equalizer-apo64.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1580	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
2200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3032	equalizer-apo64.exe
3032	equalizer-apo64.exe
3032	equalizer-apo64.exe
2772	equalizer-apo64.exe
2772	equalizer-apo64.exe
2772	equalizer-apo64.exe
2772	equalizer-apo64.exe
2772	equalizer-apo64.exe
2772	equalizer-apo64.exe
2772	equalizer-apo64.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	equalizer-apo64.exe
Token: SeDebugPrivilege	2772	equalizer-apo64.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2772	equalizer-apo64.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1884	3032	equalizer-apo64.exe	31
PID 3032 wrote to memory of 1884	3032	equalizer-apo64.exe	31
PID 3032 wrote to memory of 1884	3032	equalizer-apo64.exe	31
PID 3032 wrote to memory of 1832	3032	equalizer-apo64.exe	32
PID 3032 wrote to memory of 1832	3032	equalizer-apo64.exe	32
PID 3032 wrote to memory of 1832	3032	equalizer-apo64.exe	32
PID 1884 wrote to memory of 2200	1884	cmd.exe	35
PID 1884 wrote to memory of 2200	1884	cmd.exe	35
PID 1884 wrote to memory of 2200	1884	cmd.exe	35
PID 1832 wrote to memory of 1580	1832	cmd.exe	36
PID 1832 wrote to memory of 1580	1832	cmd.exe	36
PID 1832 wrote to memory of 1580	1832	cmd.exe	36
PID 1832 wrote to memory of 2772	1832	cmd.exe	37
PID 1832 wrote to memory of 2772	1832	cmd.exe	37
PID 1832 wrote to memory of 2772	1832	cmd.exe	37

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\equalizer-apo64.exe
"C:\Users\Admin\AppData\Local\Temp\equalizer-apo64.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "equalizer-apo64" /tr '"C:\Users\Admin\AppData\Roaming\equalizer-apo64.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "equalizer-apo64" /tr '"C:\Users\Admin\AppData\Roaming\equalizer-apo64.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2200
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpD79A.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1580
- - C:\Users\Admin\AppData\Roaming\equalizer-apo64.exe
    "C:\Users\Admin\AppData\Roaming\equalizer-apo64.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2772

Network

MITRE ATT&CK Enterprise v15

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD79A.tmp.bat

Filesize
159B

MD5
6214c2d6705b64a3eb5210a8c0b61ebf

SHA1
797259199fcd6d4c44ab9ee10e474b5b374a12e0

SHA256
64ccb6c4a56e4ffe95f5333e8d8a3cd85a4f0ccca9a608324e4427039ca461e3

SHA512
112ab2ee742c0e7cde4e7329081ff179ad19a0f58cb31038d1285ea9507ba9eb4fdd7fa215e3922ba3c92873b976f7315811fee640c8f0bf430dabe6f2c87cf7

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
C:\Users\Admin\AppData\Roaming\equalizer-apo64.exe

Filesize
74KB

MD5
42681e226021bc8ab9b24624ee36f4bc

SHA1
6e13e03622b706ff9ed6fa9d29fc22d70a535d66

SHA256
ae1fa5cd3f3c4503275743c6504e60529d6fe6ff61031d4a2b8cb67aaf98c3c0

SHA512
9df2c9273d0796139583874cf76e22f2fd5128019d55543a1a9b8c8183ef046c4754e09675faede01740afdc08f1672d8d563ea3fbc7f21f07593ec6a226b6c9

Download Submit
memory/2772-18-0x0000000000240000-0x0000000000258000-memory.dmp

Filesize
96KB

Download
memory/3032-0-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

Filesize
4KB

Download
memory/3032-1-0x0000000000320000-0x0000000000338000-memory.dmp

Filesize
96KB

Download
memory/3032-3-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download
memory/3032-12-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download
memory/3032-14-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads