asyncrat | f368400a4f67b6f2390343181e5d1945967c6cd25088798984e6e4654a1b928c

Resubmissions

04-01-2025 12:14

250104-pej3ls1mbk 10

04-01-2025 12:10

250104-pcc7aa1lcr 10

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 12:14

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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
behavioral1/files/0x000700000001211a-15.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2632	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
864	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
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2116	cum.exe
2116	cum.exe
2116	cum.exe
2116	cum.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe
2632	hawktuah.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	cum.exe
Token: SeDebugPrivilege	2632	hawktuah.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2736	2116	cum.exe	31
PID 2116 wrote to memory of 2736	2116	cum.exe	31
PID 2116 wrote to memory of 2736	2116	cum.exe	31
PID 2116 wrote to memory of 2284	2116	cum.exe	33
PID 2116 wrote to memory of 2284	2116	cum.exe	33
PID 2116 wrote to memory of 2284	2116	cum.exe	33
PID 2736 wrote to memory of 2768	2736	cmd.exe	35
PID 2736 wrote to memory of 2768	2736	cmd.exe	35
PID 2736 wrote to memory of 2768	2736	cmd.exe	35
PID 2284 wrote to memory of 864	2284	cmd.exe	36
PID 2284 wrote to memory of 864	2284	cmd.exe	36
PID 2284 wrote to memory of 864	2284	cmd.exe	36
PID 2284 wrote to memory of 2632	2284	cmd.exe	37
PID 2284 wrote to memory of 2632	2284	cmd.exe	37
PID 2284 wrote to memory of 2632	2284	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\cum.exe
"C:\Users\Admin\AppData\Local\Temp\cum.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- 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:2736
- - 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:2768
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:864
- - 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:2632

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabCA24.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarDC21.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp.bat

Filesize
152B

MD5
205039fb62022ac78c7d3e08127f2834

SHA1
abcda557b03572a20afa7a83193538d75a9bf219

SHA256
e17b21516d5268e8ef85afda7cc21018017c29e9800cba0d965d4ee285b8ed0d

SHA512
a8ebd1419abc621f06090c1f4c731df3ab28b7f536658a41f92c1afadff6bc17a7dec69507532eb22118223399cfca2407fdae950811ead0ea2f122e1b237b7a

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

Filesize
63KB

MD5
6ae8830520e0bf079fc97aa207673ac6

SHA1
8eab31bfba85b5847573bda4257f79c607f0c297

SHA256
f368400a4f67b6f2390343181e5d1945967c6cd25088798984e6e4654a1b928c

SHA512
cb8e918f34780d91673fdcc6bf3a70d2a1bf82bafb62f59ab6fc0f98b5ee09a8ed404d99fee25a4d5f55f9b7c4a5dc280d41725c596e6ddb8fae158542f14596

Download Submit
memory/2116-0-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x00000000009D0000-0x00000000009E6000-memory.dmp

Filesize
88KB

Download
memory/2116-2-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

Filesize
9.9MB

Download
memory/2116-3-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

Filesize
9.9MB

Download
memory/2116-12-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

Filesize
9.9MB

Download
memory/2632-17-0x0000000001170000-0x0000000001186000-memory.dmp

Filesize
88KB

Download
memory/2632-34-0x0000000000AA0000-0x0000000000AD4000-memory.dmp

Filesize
208KB

Download