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 discovery 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

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

2768 hyperhostvc.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

2892 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

2916 schtasks.exe

pid	process
2768	hyperhostvc.exe

pid	process
2892	timeout.exe

pid	process
2916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exehyperhostvc.exe

pid	process
2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe
2768	hyperhostvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exehyperhostvc.exe

description	pid	process
Token: SeDebugPrivilege	2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe
Token: SeDebugPrivilege	2768	hyperhostvc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

hyperhostvc.exe

pid process

2768 hyperhostvc.exe

pid	process
2768	hyperhostvc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.execmd.execmd.exe

description	pid	process	target process
PID 2972 wrote to memory of 2060	2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 2972 wrote to memory of 2060	2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 2972 wrote to memory of 2060	2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 2972 wrote to memory of 2704	2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 2972 wrote to memory of 2704	2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 2972 wrote to memory of 2704	2972	cc38fb3ee3227606258b1b9ccba885393d6ed4a54a51aefef30a669cdc171e80.exe	cmd.exe
PID 2060 wrote to memory of 2916	2060	cmd.exe	schtasks.exe
PID 2060 wrote to memory of 2916	2060	cmd.exe	schtasks.exe
PID 2060 wrote to memory of 2916	2060	cmd.exe	schtasks.exe
PID 2704 wrote to memory of 2892	2704	cmd.exe	timeout.exe
PID 2704 wrote to memory of 2892	2704	cmd.exe	timeout.exe
PID 2704 wrote to memory of 2892	2704	cmd.exe	timeout.exe
PID 2704 wrote to memory of 2768	2704	cmd.exe	hyperhostvc.exe
PID 2704 wrote to memory of 2768	2704	cmd.exe	hyperhostvc.exe
PID 2704 wrote to memory of 2768	2704	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:2972
- 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:2060
- - 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:2916
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp8D23.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2892
- - 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:2768

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

2

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\CabA076.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB244.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8D23.tmp.bat

Filesize
155B

MD5
44092164a08c6e18422a1e735a96aa3e

SHA1
d570dc3e3944b2409f8cccba991fb19b2ba32ffc

SHA256
027be57df64b768dc6054bfcc9ea4298bd6aad19f7e2a55569550838b7277dba

SHA512
d41f7605ea8fcd1cc5e80577fa822a349632adc5bb828ac176cac973b42a887b1737a12a2c6285b478df4c2e347f33f2ad35267c03fcb64360f40069d0810d9a

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/2768-18-0x00000000008F0000-0x0000000000908000-memory.dmp

Filesize
96KB

Download
memory/2972-0-0x000007FEF5803000-0x000007FEF5804000-memory.dmp

Filesize
4KB

Download
memory/2972-1-0x0000000000260000-0x0000000000278000-memory.dmp

Filesize
96KB

Download
memory/2972-3-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

Filesize
9.9MB

Download
memory/2972-4-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

Filesize
9.9MB

Download
memory/2972-13-0x000007FEF5800000-0x000007FEF61EC000-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