asyncrat | 66d815d755886b1ee38e68d899503249768b8dcf9008d35c8fa89fa35e44141d

Analysis

max time kernel
119s
max time network
142s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 19:14

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General

Target

b20888404c5656c4e63ac382a85d673f.exe
Size

45KB
MD5

b20888404c5656c4e63ac382a85d673f
SHA1

0b9c972399959f45efae01669ef94d4da395499a
SHA256

66d815d755886b1ee38e68d899503249768b8dcf9008d35c8fa89fa35e44141d
SHA512

741234851f71d09e00bb99270a2ee63c2a75010f08a4ef4138807f6adb997796a6d79cabe0b1556c55b0c608affc4fc8045f66d47ce7086c766a6692c5eb295c
SSDEEP

768:muMmi+TXEFlvWUjVSNmo2qzohumQ6dnQcIPIoVzjbVgX3i44PrRvHbD3Eo+2oBD3:muMmi+TXGk2B+6tltoV3byXSXhQosdfx

Score

10^/10

asyncrat putty discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Putty

krecgh.4cloud.click:6943

Mutex

OjZL4DoWlVCn

Attributes

delay
3
install
false
install_file
Automatic Settings.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b20888404c5656c4e63ac382a85d673f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	b20888404c5656c4e63ac382a85d673f.exe

C:\Users\Admin\AppData\Local\Temp\b20888404c5656c4e63ac382a85d673f.exe
"C:\Users\Admin\AppData\Local\Temp\b20888404c5656c4e63ac382a85d673f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2628

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\CabEC83.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2628-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/2628-1-0x0000000001280000-0x0000000001292000-memory.dmp

Filesize
72KB

Download
memory/2628-2-0x0000000074DB0000-0x000000007549E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-19-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/2628-20-0x0000000074DB0000-0x000000007549E000-memory.dmp

Filesize
6.9MB

Download