asyncrat | 7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31

Analysis

max time kernel
121s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 02:30

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General

Target

7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31.exe
Size

47KB
MD5

24c5c45311482c0f967bd93942fcfa01
SHA1

446849e49154540e4395fc9eaaf96249deb05a3d
SHA256

7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31
SHA512

295b2347dc72e8de91f3097ed042a956fe644a4ac3d99dc9038d1f36b4f9cc65f8ece1332e4018df3b02bae5e6729c6406caee6b8202930f53f24dba7b8773a1
SSDEEP

768:guir1TUEFSuWUoV3kmo2qz64RzSZIJPI1uE40bMr2GlS/rE4hafwtpJHwyqiFH1i:guir1TUKP2UzK1uybMrZErE4ha4WydH0

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

46.253.4.252:6606

Mutex

ThjwDsAUzg18

Attributes

delay
3
install
false
install_file
Bonjur.exe
install_folder
%AppData%

aes.plain

Signatures

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31.exe

description pid process

Token: SeDebugPrivilege 1608 7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31.exe

description	pid	process
Token: SeDebugPrivilege	1608	7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31.exe

C:\Users\Admin\AppData\Local\Temp\7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31.exe
"C:\Users\Admin\AppData\Local\Temp\7937b40b93a7e937d0eb5d31b50e6d5e3782b7418d8e67848f13c807cd0eda31.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab9704.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1608-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/1608-1-0x0000000000260000-0x0000000000272000-memory.dmp

Filesize
72KB

Download
memory/1608-2-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1608-19-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/1608-20-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download