asyncrat | 4796cd7739b43da9e9bd1e414aff403bde4276b1e904e4c6c8fb168a11168d79

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 22:21

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General

Target

4796cd7739b43da9e9bd1e414aff403bde4276b1e904e4c6c8fb168a11168d79N.exe
Size

45KB
MD5

4e60944931d245c64ca8d3d9d0819f80
SHA1

0c4981d1537179e1ac07b03f61f8dce62be6994e
SHA256

4796cd7739b43da9e9bd1e414aff403bde4276b1e904e4c6c8fb168a11168d79
SHA512

4507c38ee10fcf35777c79fbf4dec332977704aa5bcd4607ae55aea023fd392d1dd9286e6e8ca38cb20ad2d53c2bd26887b2ecb1521bf5f13b19ea6ce17cd889
SSDEEP

768:Qu/6ZTgoiziWUUd9rmo2qr3KjPGagAWOzjbFgX3idFttl1NZpJxlfZD8cDZLf+:Qu/6ZTglB26KTKTO3bCXSdFtVNX/rDzc

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

5.tcp.eu.ngrok.io:17994

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
Asyncrat family
asyncrat

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
21	5.tcp.eu.ngrok.io
2	5.tcp.eu.ngrok.io
8	5.tcp.eu.ngrok.io

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	4796cd7739b43da9e9bd1e414aff403bde4276b1e904e4c6c8fb168a11168d79N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	4796cd7739b43da9e9bd1e414aff403bde4276b1e904e4c6c8fb168a11168d79N.exe

C:\Users\Admin\AppData\Local\Temp\4796cd7739b43da9e9bd1e414aff403bde4276b1e904e4c6c8fb168a11168d79N.exe
"C:\Users\Admin\AppData\Local\Temp\4796cd7739b43da9e9bd1e414aff403bde4276b1e904e4c6c8fb168a11168d79N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1700

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabB147.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC641.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1700-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1700-1-0x0000000000380000-0x0000000000392000-memory.dmp

Filesize
72KB

Download
memory/1700-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1700-19-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1700-38-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download