asyncrat | cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80

General

Target

cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
Size

74KB
MD5

4fb681131f7ac7824c4f0afd337986d9
SHA1

c746978c6c091d94f2bbd17b1ad5954c4306bece
SHA256

cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80
SHA512

b5c2c3f6b5fe4845c0462059d9177b0cf56a36fe528745a9ea7f27120fdf2184b44be4dc5195d9e0d98a5a5987b8bc212707b3b4cc5ada9203db61f9859f3868
SSDEEP

1536:EUo0cxhzjBCViPMVXOS0GIkH1b6/20AuQQzcqLVclN:EUlcxhzVCiPMVOkH1b6+/QbBY

Score

10^/10

asyncrat 100 rnd rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

100 RND

C2

91.92.243.191:5401

Mutex

6871a79e-e4f7-4fb3-ae38-dc20c1d657a0

Attributes

delay
1
install
true
install_file
hyperhostvc.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

VenomRAT 3 IoCs

Detects VenomRAT.

rat

Processes:

resource	yara_rule
behavioral1/memory/1820-1-0x0000000000140000-0x0000000000158000-memory.dmp	VenomRAT
C:\Users\Admin\AppData\Roaming\hyperhostvc.exe	VenomRAT
behavioral1/memory/2772-18-0x0000000001200000-0x0000000001218000-memory.dmp	VenomRAT

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\hyperhostvc.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

hyperhostvc.exe

pid process

2772 hyperhostvc.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

Processes:

timeout.exe

pid process

1484 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

Processes:

schtasks.exe

pid process

1928 schtasks.exe

pid	process
2772	hyperhostvc.exe

pid	process
1484	timeout.exe

pid	process
1928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exehyperhostvc.exe

pid	process
1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe
2772	hyperhostvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exehyperhostvc.exe

description	pid	process
Token: SeDebugPrivilege	1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
Token: SeDebugPrivilege	2772	hyperhostvc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

hyperhostvc.exe

pid process

2772 hyperhostvc.exe

pid	process
2772	hyperhostvc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.execmd.execmd.exe

description	pid	process	target process
PID 1820 wrote to memory of 2956	1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 1820 wrote to memory of 2956	1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 1820 wrote to memory of 2956	1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 1820 wrote to memory of 1908	1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 1820 wrote to memory of 1908	1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 1820 wrote to memory of 1908	1820	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 1908 wrote to memory of 1484	1908	cmd.exe	timeout.exe
PID 1908 wrote to memory of 1484	1908	cmd.exe	timeout.exe
PID 1908 wrote to memory of 1484	1908	cmd.exe	timeout.exe
PID 2956 wrote to memory of 1928	2956	cmd.exe	schtasks.exe
PID 2956 wrote to memory of 1928	2956	cmd.exe	schtasks.exe
PID 2956 wrote to memory of 1928	2956	cmd.exe	schtasks.exe
PID 1908 wrote to memory of 2772	1908	cmd.exe	hyperhostvc.exe
PID 1908 wrote to memory of 2772	1908	cmd.exe	hyperhostvc.exe
PID 1908 wrote to memory of 2772	1908	cmd.exe	hyperhostvc.exe

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\cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
"C:\Users\Admin\AppData\Local\Temp\cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hyperhostvc" /tr '"C:\Users\Admin\AppData\Roaming\hyperhostvc.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hyperhostvc" /tr '"C:\Users\Admin\AppData\Roaming\hyperhostvc.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1928
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC439.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1908
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1484
- - C:\Users\Admin\AppData\Roaming\hyperhostvc.exe
    "C:\Users\Admin\AppData\Roaming\hyperhostvc.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\tmpC439.tmp.bat

Filesize
155B

MD5
687712cd8af09ef9a8d4eaa5c71a14c8

SHA1
0d50e987fe5f870fed18e8d292f118805e81f88d

SHA256
f9cee892ccd2ea1e4b5438716e71a53645df3179a7e5ddeed0706ebdf31c267e

SHA512
e24dc2b4f23704498ce44210dfa29e63fe5ad7938681f8bf9a9a60abe81a25812987b782bc068feea87fe144c77e58134d1fede09c64bc5363b9be7c91d33700

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\hyperhostvc.exe

Filesize
74KB

MD5
4fb681131f7ac7824c4f0afd337986d9

SHA1
c746978c6c091d94f2bbd17b1ad5954c4306bece

SHA256
cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80

SHA512
b5c2c3f6b5fe4845c0462059d9177b0cf56a36fe528745a9ea7f27120fdf2184b44be4dc5195d9e0d98a5a5987b8bc212707b3b4cc5ada9203db61f9859f3868

Download Submit
memory/1820-0-0x000007FEF58E3000-0x000007FEF58E4000-memory.dmp

Filesize
4KB

Download
memory/1820-1-0x0000000000140000-0x0000000000158000-memory.dmp

Filesize
96KB

Download
memory/1820-3-0x000007FEF58E0000-0x000007FEF62CC000-memory.dmp

Filesize
9.9MB

Download
memory/1820-4-0x000007FEF58E0000-0x000007FEF62CC000-memory.dmp

Filesize
9.9MB

Download
memory/1820-14-0x000007FEF58E0000-0x000007FEF62CC000-memory.dmp

Filesize
9.9MB

Download
memory/2772-18-0x0000000001200000-0x0000000001218000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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