asyncrat | 6edbed1b167849bf9808b2288299949fd931495836ee3c756d3c724e3d8e9ead

Analysis

max time kernel
140s
max time network
141s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-08-2024 01:30

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General

Target

6edbed1b167849bf9808b2288299949fd931495836ee3c756d3c724e3d8e9ead.exe
Size

2.1MB
MD5

1a971ae6733d7e44be5dea94d23c3109
SHA1

5525db66718f2581affb8797013eae8d04b23464
SHA256

6edbed1b167849bf9808b2288299949fd931495836ee3c756d3c724e3d8e9ead
SHA512

cebc15da8d22877645e2685f123a93c988a2b05a19b1dd56c00dc1a27fef41ffa5653d1895f0744f6d43289c18477adb0d540a56d814699dc0b1cf11157bc2e1
SSDEEP

24576:ehW35p/472XtvAwUUtC90Mv569TEhJVnEvfhdUiAgBD/GqiOIBRMdn99uW5AstDt:QWJp7tnt4vQghbAhBD+JMvDV

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

Mutex

goMutex_pong

Attributes

c2_url_file
https://xianggangip.oss-cn-hongkong.aliyuncs.com/IDS.txt
delay
13
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2308-2-0x0000000002420000-0x0000000002432000-memory.dmp	family_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6edbed1b167849bf9808b2288299949fd931495836ee3c756d3c724e3d8e9ead.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	6edbed1b167849bf9808b2288299949fd931495836ee3c756d3c724e3d8e9ead.exe

C:\Users\Admin\AppData\Local\Temp\6edbed1b167849bf9808b2288299949fd931495836ee3c756d3c724e3d8e9ead.exe
"C:\Users\Admin\AppData\Local\Temp\6edbed1b167849bf9808b2288299949fd931495836ee3c756d3c724e3d8e9ead.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2308

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab2BB5.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2308-1-0x0000000077200000-0x0000000077201000-memory.dmp

Filesize
4KB

Download
memory/2308-0-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2308-2-0x0000000002420000-0x0000000002432000-memory.dmp

Filesize
72KB

Download
memory/2308-3-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2308-20-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download