asyncrat | 76368741cdc847df6dedcaf7d0e83a6781f422dfd7397551fb9fbf4de5b9fe29

Analysis

max time kernel
16s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 11:59

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General

Target

download.exe
Size

66KB
MD5

71428f18729f4fd8affdd5e15961c18d
SHA1

f0eaf68186f37e71a28faaeae097c608613a1ea9
SHA256

76368741cdc847df6dedcaf7d0e83a6781f422dfd7397551fb9fbf4de5b9fe29
SHA512

8acf6182974a961e3554d28e2ececfcbddb7ee49d06a31d0d7f6b68e4047cb6e2c8f6fd01c10d155e618e75ceb5688dc853613e0533f5ef1e4ed6382b0c9684e
SSDEEP

1536:lmfW6qHdykrVMKuJUYFoSPbTepvrzbuRPYb23rQTGtx:lme6qHdykGKuJUYFoSPgjzbuWq3Gmx

Score

10^/10

asyncrat default discovery rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

Default

hema2024.from-ut.com:6666

hema2024.from-ut.com:555

hema2024.from-ut.com:5555

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

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

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	download.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2536	download.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	download.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2536	download.exe

C:\Users\Admin\AppData\Local\Temp\download.exe
"C:\Users\Admin\AppData\Local\Temp\download.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2536

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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\Cab678.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1B81.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2536-0-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/2536-1-0x0000000001150000-0x0000000001166000-memory.dmp

Filesize
88KB

Download
memory/2536-2-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-19-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/2536-38-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download