Analysis Overview
SHA256
6894c104c50fea8b20c9d459919854463fa2aad13165bb0650deb946fb3b7de7
Threat Level: Known bad
The file Servjjjer.exe.bin was found to be: Known bad.
Malicious Activity Summary
RedLine
StormKitty payload
AsyncRat
Asyncrat family
Async RAT payload
Stormkitty family
Detects Redline Stealer samples
StormKitty
Async RAT payload
Reads user/profile data of web browsers
Looks up geolocation information via web service
Looks up external IP address via web service
Drops desktop.ini file(s)
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-05-01 20:10
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stormkitty family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-01 20:10
Reported
2023-05-01 20:15
Platform
win10v2004-20230220-en
Max time kernel
148s
Max time network
155s
Command Line
Signatures
AsyncRat
Detects Redline Stealer samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
RedLine
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File created | C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File created | C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File created | C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File created | C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File created | C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | icanhazip.com | N/A | N/A |
Looks up geolocation information via web service
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe
"C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
C:\Windows\SysWOW64\findstr.exe
findstr All
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\netsh.exe
netsh wlan show networks mode=bssid
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.8.109.52.in-addr.arpa | udp |
| IN | 40.126.17.133:443 | tcp | |
| IE | 20.54.89.15:443 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.145.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | icanhazip.com | udp |
| US | 104.18.115.97:80 | icanhazip.com | tcp |
| US | 8.8.8.8:53 | api.mylnikov.org | udp |
| US | 104.21.44.66:443 | api.mylnikov.org | tcp |
| US | 8.8.8.8:53 | 42.220.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.115.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 66.44.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| US | 8.8.8.8:53 | 14.103.197.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.25.30.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 127.0.0.1:8808 | tcp | |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:7707 | tcp | |
| US | 8.8.8.8:53 | 97.85.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 250.255.255.239.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.232.18.117.in-addr.arpa | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| US | 8.8.8.8:53 | 139.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.232.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.23.238.8.in-addr.arpa | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| N/A | 127.0.0.1:8808 | tcp | |
| N/A | 127.0.0.1:7707 | tcp |
Files
memory/4088-133-0x0000000000FC0000-0x0000000000FF2000-memory.dmp
memory/4088-134-0x0000000005940000-0x0000000005950000-memory.dmp
memory/4088-135-0x0000000005CC0000-0x0000000005D26000-memory.dmp
memory/4088-136-0x0000000005940000-0x0000000005950000-memory.dmp
C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\Browsers\Firefox\Bookmarks.txt
| MD5 | 2e9d094dda5cdc3ce6519f75943a4ff4 |
| SHA1 | 5d989b4ac8b699781681fe75ed9ef98191a5096c |
| SHA256 | c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142 |
| SHA512 | d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7 |
C:\Users\Admin\AppData\Local\283db8aab9978c482b6b34ce9843e6b5\Admin@OZADSVWH_en-US\System\Process.txt
| MD5 | 621a97cca6d51929c81dc3b196ee34d8 |
| SHA1 | 8ce17dd0017befa83533ef00c165ea3796a72beb |
| SHA256 | ce21dc62e1c292a805a543e0641badca7cf5ec143ba4633723ff88940224f415 |
| SHA512 | bc27e3f4032ea61de30f31104ab6673e4389a84673f926faa84e6a98afa2871f7bcdfdc55f92c25d55f638da14cfe329d2e43a727a51be9040e72a8f8a9b9275 |
memory/4088-271-0x00000000063C0000-0x0000000006452000-memory.dmp
memory/4088-272-0x0000000007040000-0x00000000075E4000-memory.dmp
memory/4088-273-0x0000000005940000-0x0000000005950000-memory.dmp
memory/4088-277-0x00000000064B0000-0x00000000064BA000-memory.dmp
C:\Users\Admin\AppData\Local\228814d66cd77b02b66fe83b7cd036e4\msgid.dat
| MD5 | cfcd208495d565ef66e7dff9f98764da |
| SHA1 | b6589fc6ab0dc82cf12099d1c2d40ab994e8410c |
| SHA256 | 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9 |
| SHA512 | 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99 |
memory/4088-283-0x0000000005940000-0x0000000005950000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-01 20:10
Reported
2023-05-01 20:15
Platform
win7-20230220-en
Max time kernel
143s
Max time network
177s
Command Line
Signatures
AsyncRat
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\78ad5e36d06a786398764e72f1ea0df6\Admin@WFSTZEPN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Local\78ad5e36d06a786398764e72f1ea0df6\Admin@WFSTZEPN_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File created | C:\Users\Admin\AppData\Local\78ad5e36d06a786398764e72f1ea0df6\Admin@WFSTZEPN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Local\78ad5e36d06a786398764e72f1ea0df6\Admin@WFSTZEPN_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File created | C:\Users\Admin\AppData\Local\78ad5e36d06a786398764e72f1ea0df6\Admin@WFSTZEPN_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| File created | C:\Users\Admin\AppData\Local\78ad5e36d06a786398764e72f1ea0df6\Admin@WFSTZEPN_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | icanhazip.com | N/A | N/A |
Looks up geolocation information via web service
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe
"C:\Users\Admin\AppData\Local\Temp\Servjjjer.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\findstr.exe
findstr All
C:\Windows\SysWOW64\netsh.exe
netsh wlan show profile
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\netsh.exe
netsh wlan show networks mode=bssid
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | icanhazip.com | udp |
| US | 104.18.114.97:80 | icanhazip.com | tcp |
| US | 104.18.115.97:80 | icanhazip.com | tcp |
| US | 8.8.8.8:53 | api.mylnikov.org | udp |
| US | 172.67.196.114:443 | api.mylnikov.org | tcp |
| US | 104.21.44.66:443 | api.mylnikov.org | tcp |
Files
memory/2032-54-0x0000000000ED0000-0x0000000000F02000-memory.dmp
memory/2032-55-0x0000000004B80000-0x0000000004BC0000-memory.dmp
memory/2032-56-0x0000000004B80000-0x0000000004BC0000-memory.dmp
memory/2032-124-0x0000000004B80000-0x0000000004BC0000-memory.dmp
memory/2032-128-0x0000000004B80000-0x0000000004BC0000-memory.dmp