asyncrat | b8c84924513d884b978ec22d2697d09cffc174e9f8f1af17365bf3f57b2cf5f9

Analysis

max time kernel
119s
max time network
150s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
12-07-2024 09:38

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General

Target

okay.exe
Size

290KB
MD5

954889c4811c77ddfca3ecda53610bc8
SHA1

06574a89057467d47b10c54eed979da30a78accc
SHA256

b8c84924513d884b978ec22d2697d09cffc174e9f8f1af17365bf3f57b2cf5f9
SHA512

14802bd3a21331c11f5dd1300810d235b87aace42d58c1684574c9d5652b2ec7e53badccd6e5a3e062cc3ba6fb5b82ada395d1d0559cc5ee66d5d71b6854d43e
SSDEEP

6144:W9YN14B3nGgEQiFr6fY50Sj4VayUNYkd6Nr+ycVu4/plmoCIA:W9YN6B3nf41tEIN16N6yku6ot

Score

10^/10

asyncrat rat spyware stealer

Malware Config

Signatures

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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/1996-1-0x0000000000270000-0x00000000002BE000-memory.dmp	net_reactor

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1996	okay.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	okay.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1996	okay.exe

C:\Users\Admin\AppData\Local\Temp\okay.exe
"C:\Users\Admin\AppData\Local\Temp\okay.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabD6E1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1996-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/1996-1-0x0000000000270000-0x00000000002BE000-memory.dmp

Filesize
312KB

Download
memory/1996-2-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/1996-37-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/1996-38-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download
memory/1996-39-0x00000000744B0000-0x0000000074B9E000-memory.dmp

Filesize
6.9MB

Download