asyncrat | f368400a4f67b6f2390343181e5d1945967c6cd25088798984e6e4654a1b928c

Analysis

max time kernel
150s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 12:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cum.exe
Size

63KB
MD5

6ae8830520e0bf079fc97aa207673ac6
SHA1

8eab31bfba85b5847573bda4257f79c607f0c297
SHA256

f368400a4f67b6f2390343181e5d1945967c6cd25088798984e6e4654a1b928c
SHA512

cb8e918f34780d91673fdcc6bf3a70d2a1bf82bafb62f59ab6fc0f98b5ee09a8ed404d99fee25a4d5f55f9b7c4a5dc280d41725c596e6ddb8fae158542f14596
SSDEEP

1536:+62ZBUFWbPZEYUbeM9odcrXuEdpqKmY7:+62CWbP6YUbe1cr5Gz

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:1337

127.0.0.1:26550

147.185.221.24:1337

147.185.221.24:26550

Attributes

delay
3
install
true
install_file
hawktuah.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000c000000023b96-10.dat	family_asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	cum.exe

Executes dropped EXE 1 IoCs

pid	Process
1016	hawktuah.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
4624	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
4360	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1620	cum.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe
1016	hawktuah.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	cum.exe
Token: SeDebugPrivilege	1016	hawktuah.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1536	1620	cum.exe	83
PID 1620 wrote to memory of 1536	1620	cum.exe	83
PID 1620 wrote to memory of 2648	1620	cum.exe	85
PID 1620 wrote to memory of 2648	1620	cum.exe	85
PID 2648 wrote to memory of 4624	2648	cmd.exe	87
PID 2648 wrote to memory of 4624	2648	cmd.exe	87
PID 1536 wrote to memory of 4360	1536	cmd.exe	88
PID 1536 wrote to memory of 4360	1536	cmd.exe	88
PID 2648 wrote to memory of 1016	2648	cmd.exe	89
PID 2648 wrote to memory of 1016	2648	cmd.exe	89

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\cum.exe
"C:\Users\Admin\AppData\Local\Temp\cum.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hawktuah" /tr '"C:\Users\Admin\AppData\Roaming\hawktuah.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1536
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hawktuah" /tr '"C:\Users\Admin\AppData\Roaming\hawktuah.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4360
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4624
- - C:\Users\Admin\AppData\Roaming\hawktuah.exe
    "C:\Users\Admin\AppData\Roaming\hawktuah.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp.bat

Filesize
152B

MD5
9eb899715f2acfad3b24897ceafd39e8

SHA1
1340a6feadb321c0ac2a976268290cfaa8747a98

SHA256
0ad8368647f409e1c050ba2da12893712d5de29fea6c2ee131826e07a1d1085b

SHA512
2f295af1a2eb13627f8b74f0853989eabb2cf81c1e7f013a07d5e5b81012bc7d74498cf982a8fc15d45cafdc87d6929c5852697a00aa24859a2c44ed31ff00ce

Download Submit
C:\Users\Admin\AppData\Roaming\hawktuah.exe

Filesize
63KB

MD5
6ae8830520e0bf079fc97aa207673ac6

SHA1
8eab31bfba85b5847573bda4257f79c607f0c297

SHA256
f368400a4f67b6f2390343181e5d1945967c6cd25088798984e6e4654a1b928c

SHA512
cb8e918f34780d91673fdcc6bf3a70d2a1bf82bafb62f59ab6fc0f98b5ee09a8ed404d99fee25a4d5f55f9b7c4a5dc280d41725c596e6ddb8fae158542f14596

Download Submit
memory/1016-14-0x000000001CB40000-0x000000001CBB6000-memory.dmp

Filesize
472KB

Download
memory/1016-15-0x000000001CAC0000-0x000000001CAF4000-memory.dmp

Filesize
208KB

Download
memory/1016-16-0x000000001B910000-0x000000001B92E000-memory.dmp

Filesize
120KB

Download
memory/1620-0-0x00007FFB52293000-0x00007FFB52295000-memory.dmp

Filesize
8KB

Download
memory/1620-1-0x00000000004B0000-0x00000000004C6000-memory.dmp

Filesize
88KB

Download
memory/1620-2-0x00007FFB52290000-0x00007FFB52D51000-memory.dmp

Filesize
10.8MB

Download
memory/1620-7-0x00007FFB52290000-0x00007FFB52D51000-memory.dmp

Filesize
10.8MB

Download