asyncrat | 15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 14:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe
Size

47KB
MD5

7a51aa3884526620751838e6c9714f25
SHA1

9f0210f25aaa9d2598a02132cf8faa5541d6ff3a
SHA256

15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a
SHA512

7460684b61e37eb842463abd8203eecfbb635767168be8d6bc79a6da5282dcee8ed9034adaecd315419117eb9f7851b20e14a9221e5b0c38dcb85127f5aa14d7
SSDEEP

768:5CT3ILNCKi+Di5hFxhLR5qiH6Ybrge8ZIar7XvEgK/JTZVc6KN:5CYm5jxXDpbUVeY7XnkJTZVclN

Score

10^/10

asyncrat mayo27 rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

MAYO27

flugrekorder.duckdns.org:7786

Mutex

"$%#&63T%y/34rdy@

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1528 cmd.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2808 timeout.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe

description pid process

Token: SeDebugPrivilege 2012 15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe

pid	process
1528	cmd.exe

pid	process
2808	timeout.exe

description	pid	process
Token: SeDebugPrivilege	2012	15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.execmd.exe

description	pid	process	target process
PID 2012 wrote to memory of 1528	2012	15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe	cmd.exe
PID 2012 wrote to memory of 1528	2012	15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe	cmd.exe
PID 2012 wrote to memory of 1528	2012	15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe	cmd.exe
PID 1528 wrote to memory of 2808	1528	cmd.exe	timeout.exe
PID 1528 wrote to memory of 2808	1528	cmd.exe	timeout.exe
PID 1528 wrote to memory of 2808	1528	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe
"C:\Users\Admin\AppData\Local\Temp\15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp8DF5.tmp.bat""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2808

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8DD5.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8DF5.tmp.bat

Filesize
216B

MD5
cfcdc01d8e013c44c30a0927a2e327e4

SHA1
9bf067ee92125f748dc195ecb96cca4d4835f8b7

SHA256
90fd9307df188f65a5c4b771f0b79c320bd75d143e5a3a3e9b2ad802619be1b7

SHA512
ce02eda012f272034644ad581d00474b4f1f5e316d9c45ea1582747fe7600540c330984aca8ed5287abe94f719cdfeb360b069df8cb99cbf28ea26112b96b811

Download Submit
memory/2012-0-0x000007FEF5EA3000-0x000007FEF5EA4000-memory.dmp

Filesize
4KB

Download
memory/2012-1-0x0000000000120000-0x0000000000132000-memory.dmp

Filesize
72KB

Download
memory/2012-2-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

Filesize
9.9MB

Download
memory/2012-20-0x000007FEF5EA3000-0x000007FEF5EA4000-memory.dmp

Filesize
4KB

Download
memory/2012-21-0x000000001AFF0000-0x000000001B054000-memory.dmp

Filesize
400KB

Download
memory/2012-50-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

Filesize
9.9MB

Download