asyncrat | d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81

General

Target

d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
Size

234KB
MD5

4d54f37b7b9cb8f4e9a7ba334e711889
SHA1

d83e92210f74883074da45db0e50210ee0531fad
SHA256

d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81
SHA512

effbb2b5c2bd3db1da9acbb8e8b298f69cd5de86fc2906c88c17e922290a0f7b9554075fbcd35a47b8a678ef573f097cc5656ac073823b9a1b387bc795c778d5
SSDEEP

3072:A+STW8djpN6izj8mZwpuAtiIR6iYj7PcUbBuVByshwp//DrB36eKzF0y6+WpRt:18XN6W8mmpmX0UbUeshIXDIzF4

Score

10^/10

asyncrat stormkitty default discovery persistence privilege_escalation rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7478550442:AAFFrjVUKsvQtQXD68jNIEL-6LtQUIoajxw/sendMessage?chat_id=7253774309

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
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral1/memory/1612-1-0x0000000000A60000-0x0000000000A9E000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File opened for modification	C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
File created	C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
18	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
1820	cmd.exe
3996	netsh.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1820	1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	95
PID 1612 wrote to memory of 1820	1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	95
PID 1612 wrote to memory of 1820	1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	95
PID 1820 wrote to memory of 4116	1820	cmd.exe	97
PID 1820 wrote to memory of 4116	1820	cmd.exe	97
PID 1820 wrote to memory of 4116	1820	cmd.exe	97
PID 1820 wrote to memory of 3996	1820	cmd.exe	99
PID 1820 wrote to memory of 3996	1820	cmd.exe	99
PID 1820 wrote to memory of 3996	1820	cmd.exe	99
PID 1820 wrote to memory of 3536	1820	cmd.exe	100
PID 1820 wrote to memory of 3536	1820	cmd.exe	100
PID 1820 wrote to memory of 3536	1820	cmd.exe	100
PID 1612 wrote to memory of 904	1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	101
PID 1612 wrote to memory of 904	1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	101
PID 1612 wrote to memory of 904	1612	d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe	101
PID 904 wrote to memory of 4340	904	cmd.exe	103
PID 904 wrote to memory of 4340	904	cmd.exe	103
PID 904 wrote to memory of 4340	904	cmd.exe	103
PID 904 wrote to memory of 3388	904	cmd.exe	104
PID 904 wrote to memory of 3388	904	cmd.exe	104
PID 904 wrote to memory of 3388	904	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe
"C:\Users\Admin\AppData\Local\Temp\d51be99781d3e1a89f9b632e748e2bd2fc1a1c554f8c1d9ac0db0a9e19af4c81.exe"
1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Wi-Fi Discovery
  - Suspicious use of WriteProcessMemory
  PID:1820
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4116
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:3996
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3536
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4340
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3388

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
81B

MD5
ea511fc534efd031f852fcf490b76104

SHA1
573e5fa397bc953df5422abbeb1a52bf94f7cf00

SHA256
e5fe7f327ae62df007bd1117aa7f522dbbcd371ec67953f66d786424cb1d7995

SHA512
f7d8e575a2332b0fbd491b5e092b7ed6b0942a5165557fcc5d215d873b05103aa6ba01843133871c1c7ac81b10182a15895be49885c98d1a379dd55f88004fae

Download Submit
C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\Admin@OGKBCMNR_en-US\System\Process.txt

Filesize
4KB

MD5
317c5697b230cb1bc34004940cd65ce6

SHA1
edc240088addd4ab3e84c2f2e5f08cee3117bac9

SHA256
3d69bf016b43ce1959428c6a8404fb8b56a12883a7b54781649f9b4c33d7def3

SHA512
72803a9b855c25ce2459c9a91ba3c479d70e6b7685efd0ea7b47ae90b20bbd4fe9fbeff6218f9999bd387a43454f19f0bea0d51f342b4205dba83302dbfa4448

Download Submit
C:\Users\Admin\AppData\Local\7bcda2ca824b2a9accf15da072a9d1b8\msgid.dat

Filesize
3B

MD5
8d6dc35e506fc23349dd10ee68dabb64

SHA1
0f3c97b08484e459263448e551ae79f2d31ca102

SHA256
5904c93073387f898f4f339094d4bad7043b6440519debb01b2867939661ded2

SHA512
b802e4db54dc25ea24ca32b92439a7d8fe1771f8400d4a5d4f1ebfb656a669c94ae45940deb65f6173daf9ebdb8496b9a6973271fa60daf5df9969b3461fb0c6

Download Submit
memory/1612-148-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/1612-121-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/1612-3-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/1612-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/1612-149-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/1612-150-0x0000000005FB0000-0x0000000006042000-memory.dmp

Filesize
584KB

Download
memory/1612-151-0x0000000006600000-0x0000000006BA4000-memory.dmp

Filesize
5.6MB

Download
memory/1612-155-0x00000000061D0000-0x00000000061DA000-memory.dmp

Filesize
40KB

Download
memory/1612-2-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/1612-161-0x00000000061E0000-0x00000000061F2000-memory.dmp

Filesize
72KB

Download
memory/1612-1-0x0000000000A60000-0x0000000000A9E000-memory.dmp

Filesize
248KB

Download
memory/1612-186-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads