asyncrat | 39cd74aef9fd7e6d035de5346ade722f923feb4887fdd9db2b3c7802a65d9f51

General

Target

Rockstar Games Social-Club Checker V2.exe
Size

175KB
MD5

01edba0d8395d12f48090318bfab4664
SHA1

f45d3480ebadf4e29942951ded9592ae1dc7f89a
SHA256

39cd74aef9fd7e6d035de5346ade722f923feb4887fdd9db2b3c7802a65d9f51
SHA512

eab4e21f59c7a90069450dd7e489395f9ebd58f0743a7efbd2afa46e9444f5f0c1e7f907863035da83cdf6e047648926ac2a418f894875a19415f883bca6fdbd
SSDEEP

3072:Oe8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTCwARE+WpCc:G6ewwIwQJ6vKX0c5MlYZ0b2r

Score

10^/10

asyncrat stormkitty default 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

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

StormKitty payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3376-133-0x0000000000A00000-0x0000000000A32000-memory.dmp	family_stormkitty

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3376-133-0x0000000000A00000-0x0000000000A32000-memory.dmp	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
T1081

Drops desktop.ini file(s) 8 IoCs

Processes:

Rockstar Games Social-Club Checker V2.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	Rockstar Games Social-Club Checker V2.exe
File created	C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	Rockstar Games Social-Club Checker V2.exe
File created	C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	Rockstar Games Social-Club Checker V2.exe
File opened for modification	C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	Rockstar Games Social-Club Checker V2.exe
File created	C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Rockstar Games Social-Club Checker V2.exe
File opened for modification	C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Rockstar Games Social-Club Checker V2.exe
File created	C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Rockstar Games Social-Club Checker V2.exe
File created	C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Rockstar Games Social-Club Checker V2.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

40 icanhazip.com
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

flow	ioc
40	icanhazip.com

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.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

Processes:

Rockstar Games Social-Club Checker V2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Rockstar Games Social-Club Checker V2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Rockstar Games Social-Club Checker V2.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Rockstar Games Social-Club Checker V2.exetaskmgr.exe

pid	process
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
3376	Rockstar Games Social-Club Checker V2.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Rockstar Games Social-Club Checker V2.exetaskmgr.exe

description	pid	process
Token: SeDebugPrivilege	3376	Rockstar Games Social-Club Checker V2.exe
Token: SeDebugPrivilege	4532	taskmgr.exe
Token: SeSystemProfilePrivilege	4532	taskmgr.exe
Token: SeCreateGlobalPrivilege	4532	taskmgr.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

taskmgr.exe

pid	process
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe

Suspicious use of SendNotifyMessage 64 IoCs

Processes:

taskmgr.exe

pid	process
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe
4532	taskmgr.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Rockstar Games Social-Club Checker V2.execmd.execmd.exe

description	pid	process	target process
PID 3376 wrote to memory of 1864	3376	Rockstar Games Social-Club Checker V2.exe	cmd.exe
PID 3376 wrote to memory of 1864	3376	Rockstar Games Social-Club Checker V2.exe	cmd.exe
PID 3376 wrote to memory of 1864	3376	Rockstar Games Social-Club Checker V2.exe	cmd.exe
PID 1864 wrote to memory of 4596	1864	cmd.exe	chcp.com
PID 1864 wrote to memory of 4596	1864	cmd.exe	chcp.com
PID 1864 wrote to memory of 4596	1864	cmd.exe	chcp.com
PID 1864 wrote to memory of 2140	1864	cmd.exe	netsh.exe
PID 1864 wrote to memory of 2140	1864	cmd.exe	netsh.exe
PID 1864 wrote to memory of 2140	1864	cmd.exe	netsh.exe
PID 1864 wrote to memory of 2120	1864	cmd.exe	findstr.exe
PID 1864 wrote to memory of 2120	1864	cmd.exe	findstr.exe
PID 1864 wrote to memory of 2120	1864	cmd.exe	findstr.exe
PID 3376 wrote to memory of 4312	3376	Rockstar Games Social-Club Checker V2.exe	cmd.exe
PID 3376 wrote to memory of 4312	3376	Rockstar Games Social-Club Checker V2.exe	cmd.exe
PID 3376 wrote to memory of 4312	3376	Rockstar Games Social-Club Checker V2.exe	cmd.exe
PID 4312 wrote to memory of 4968	4312	cmd.exe	chcp.com
PID 4312 wrote to memory of 4968	4312	cmd.exe	chcp.com
PID 4312 wrote to memory of 4968	4312	cmd.exe	chcp.com
PID 4312 wrote to memory of 4756	4312	cmd.exe	netsh.exe
PID 4312 wrote to memory of 4756	4312	cmd.exe	netsh.exe
PID 4312 wrote to memory of 4756	4312	cmd.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Rockstar Games Social-Club Checker V2.exe
"C:\Users\Admin\AppData\Local\Temp\Rockstar Games Social-Club Checker V2.exe"
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3376

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
2⤵
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:4596

C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
3⤵
PID:2140

C:\Windows\SysWOW64\findstr.exe
findstr All
3⤵
PID:2120

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
2⤵
- Suspicious use of WriteProcessMemory
PID:4312

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:4968

C:\Windows\SysWOW64\netsh.exe
netsh wlan show networks mode=bssid
3⤵
PID:4756

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4532

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:840

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\Browsers\Firefox\Bookmarks.txt
Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\58481c8798e672906c4694897c0c4898\Admin@OZADSVWH_es-ES\System\Process.txt
Filesize
4KB

MD5
eb4bccc9cd1b73b0ee91bd1d9893f16f

SHA1
61a989048a9e5b3332e135a3cbde7313f4640f5b

SHA256
f103562d2adf709f213e64ce06b7b4ed17b936760e797f8dcea401a6864b0b4e

SHA512
d699d38384d5541261a798dbfce6c237cae63e12835b6925bddcbaa8adf25b0c4733c6f84ae2af7e17b35f4a8431b6288b0fb5015dc2bc16dbbde96c2eea5a38

Download Submit
C:\Users\Admin\AppData\Local\940a4ac907086f3fee9ca7289fd1a60f\msgid.dat
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3376-234-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/3376-312-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/3376-191-0x0000000005B50000-0x0000000005B90000-memory.dmp

Filesize
256KB

Download
memory/3376-133-0x0000000000A00000-0x0000000000A32000-memory.dmp

Filesize
200KB

Download
memory/3376-135-0x0000000005700000-0x0000000005766000-memory.dmp

Filesize
408KB

Download
memory/3376-276-0x00000000064F0000-0x0000000006582000-memory.dmp

Filesize
584KB

Download
memory/3376-277-0x0000000006B40000-0x00000000070E4000-memory.dmp

Filesize
5.6MB

Download
memory/3376-278-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/3376-282-0x00000000066A0000-0x00000000066AA000-memory.dmp

Filesize
40KB

Download
memory/3376-134-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/3376-288-0x0000000007390000-0x00000000073A2000-memory.dmp

Filesize
72KB

Download
memory/3376-142-0x0000000005BD0000-0x0000000005CD2000-memory.dmp

Filesize
1.0MB

Download
memory/4532-313-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-314-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-315-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-319-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-320-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-321-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-322-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-323-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-324-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download
memory/4532-325-0x0000022833E10000-0x0000022833E11000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads