asyncrat | afe70b3c28c52a2f90f0bfca93e335008cf06eb1c14d1b161ebf25754c6c81ac

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 17:20

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General

Target

xrp.exe
Size

136KB
MD5

0d08e05884330a38020985c58e14e3af
SHA1

40703991414f435a13d1da2879edeba05e2a6f4a
SHA256

afe70b3c28c52a2f90f0bfca93e335008cf06eb1c14d1b161ebf25754c6c81ac
SHA512

b7ac3707a6e7a6152c0694f1b5e44ac45522ebf94720664e91b4a66f4bcafa918d88f2ba3d233acfdd2466652dc6a3d85f980621a254165760705ea4b7d42c14
SSDEEP

1536:tGAUgKrkSIWXgB7DIHYSf6GpcEApEXJjh0Nq9tAIGpdnJWZjN52QR0+GoxhoMyn6:tGAUBgSdG7e305mxrSk

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

v1.2.0

Botnet

Default

192.252.186.220:56003

192.252.186.220:3534

192.252.186.220:43985

Mutex

igsnloedblkziu

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
Asyncrat family
asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x0008000000015d59-3.dat	family_asyncrat

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2324	RUhniBnf.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

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe
2324	RUhniBnf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	RUhniBnf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2324	RUhniBnf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1792	1740	xrp.exe	31
PID 1740 wrote to memory of 1792	1740	xrp.exe	31
PID 1740 wrote to memory of 1792	1740	xrp.exe	31
PID 1792 wrote to memory of 2324	1792	cmd.exe	32
PID 1792 wrote to memory of 2324	1792	cmd.exe	32
PID 1792 wrote to memory of 2324	1792	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\xrp.exe
"C:\Users\Admin\AppData\Local\Temp\xrp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\system32\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\RUhniBnf.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1792
- - C:\Users\Admin\AppData\Local\Temp\RUhniBnf.exe
    C:\Users\Admin\AppData\Local\Temp\RUhniBnf.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabB0CB.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RUhniBnf.exe

Filesize
52KB

MD5
bf1c76adf74227479e14ad43cccd86e1

SHA1
a3e0cfe8a92580bd8b3fca121e16542b081e09c1

SHA256
77504c4dcfe58ae490b9eb15ce14be39d662fb5a951babb8e819fdac5d25e32c

SHA512
668c8e0730f0a9a9fbb6a14555bb9f6f15704aa00f615f60397b825be596df77c497242025b9a4c003b6e4cb2856224fd9e1975b241a7d7a3c48847af1e5e6ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC538.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1740-43-0x000000013F440000-0x000000013F465000-memory.dmp

Filesize
148KB

Download
memory/2324-5-0x000007FEF5A93000-0x000007FEF5A94000-memory.dmp

Filesize
4KB

Download
memory/2324-6-0x0000000000020000-0x0000000000032000-memory.dmp

Filesize
72KB

Download
memory/2324-8-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download
memory/2324-44-0x000007FEF5A93000-0x000007FEF5A94000-memory.dmp

Filesize
4KB

Download
memory/2324-45-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download