Analysis Overview
SHA256
b139b5f0a9d2144720c249bd412b68cada81c96b03a6ecf6a64a9f5f1bca7395
Threat Level: Known bad
The file -.exe was found to be: Known bad.
Malicious Activity Summary
StormKitty
StormKitty payload
Stormkitty family
Loads dropped DLL
Executes dropped EXE
Deletes itself
Checks computer location settings
Looks up external IP address via web service
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Enumerates physical storage devices
Kills process with taskkill
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-09 09:31
Signatures
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: behavioral1
Detonation Overview
Submitted
2024-08-09 09:31
Reported
2024-08-09 09:34
Platform
win7-20240704-en
Max time kernel
121s
Max time network
121s
Command Line
Signatures
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\-.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\-.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\-.exe
"C:\Users\Admin\AppData\Local\Temp\-.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp3CD6.tmp.bat
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\taskkill.exe
TaskKill /F /IM 2840
C:\Windows\system32\timeout.exe
Timeout /T 2 /Nobreak
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
Files
memory/2840-0-0x000007FEF5573000-0x000007FEF5574000-memory.dmp
memory/2840-1-0x000000013F170000-0x000000013F1C0000-memory.dmp
memory/2840-2-0x0000000002240000-0x00000000022B4000-memory.dmp
memory/2840-3-0x0000000000740000-0x0000000000746000-memory.dmp
memory/2840-4-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab9C9F.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar9CB2.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
memory/2840-171-0x000007FEF5573000-0x000007FEF5574000-memory.dmp
\Users\Admin\AppData\Local\Temp\-.exe
| MD5 | 4c7c52e95b8c9c16cb9e79e477147ea9 |
| SHA1 | 05c27eb4f35f04a463d6d7a24bc01b932086a472 |
| SHA256 | b139b5f0a9d2144720c249bd412b68cada81c96b03a6ecf6a64a9f5f1bca7395 |
| SHA512 | 9ef5449a778419b636adcce125ca89dbf5fd08b03ab260653da474ab4ddd1b547fb3df457c6c1abb14214aa41b4331ec2a648b5e702b598a0f3c2e711bbed951 |
memory/2840-175-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp3CD6.tmp.bat
| MD5 | 45252167e6d71d406e28ed71ae8ccb41 |
| SHA1 | c26a6a70e1e5e2dfdf719c8ecc7884d40eacd931 |
| SHA256 | 52fefaaab9e200e249eb5d27fb50061b3f8fe6794324ca3e786e1dd848d5f4d3 |
| SHA512 | 146f3aca52e5d560264ff99292098d597666e78b511e6d65041ecbd263a1a8521334afb259f168a87b200b980023cc56128c2831e1446e9e6e116731a3378883 |
memory/2840-179-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-09 09:31
Reported
2024-08-09 09:33
Platform
win10v2004-20240802-en
Max time kernel
56s
Max time network
54s
Command Line
Signatures
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\-.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\-.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\-.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskkill.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\-.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1944 wrote to memory of 4332 | N/A | C:\Users\Admin\AppData\Local\Temp\-.exe | C:\Windows\System32\cmd.exe |
| PID 1944 wrote to memory of 4332 | N/A | C:\Users\Admin\AppData\Local\Temp\-.exe | C:\Windows\System32\cmd.exe |
| PID 4332 wrote to memory of 4564 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\chcp.com |
| PID 4332 wrote to memory of 4564 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\chcp.com |
| PID 4332 wrote to memory of 4004 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\taskkill.exe |
| PID 4332 wrote to memory of 4004 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\taskkill.exe |
| PID 4332 wrote to memory of 2228 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\timeout.exe |
| PID 4332 wrote to memory of 2228 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\-.exe
"C:\Users\Admin\AppData\Local\Temp\-.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp5520.tmp.bat
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\taskkill.exe
TaskKill /F /IM 1944
C:\Windows\system32\timeout.exe
Timeout /T 2 /Nobreak
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 185.199.110.133:443 | raw.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.110.199.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/1944-0-0x00007FFE06703000-0x00007FFE06705000-memory.dmp
memory/1944-1-0x0000000000810000-0x0000000000860000-memory.dmp
memory/1944-2-0x00000000015F0000-0x0000000001664000-memory.dmp
memory/1944-3-0x0000000001660000-0x0000000001666000-memory.dmp
memory/1944-4-0x00007FFE06700000-0x00007FFE071C1000-memory.dmp
memory/1944-12-0x00007FFE06703000-0x00007FFE06705000-memory.dmp
memory/1944-13-0x00007FFE06700000-0x00007FFE071C1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp5520.tmp.bat
| MD5 | caa80a0b8a8b8c0e30f21c6bcafd470d |
| SHA1 | 6de98c12bc58fb233f0c57ff50d9183b232380d0 |
| SHA256 | 830f0658e367ddbaf802d14d7ee9d118bd06ea5539a9c7f6b3e0cf9c81e42b35 |
| SHA512 | 3246c7a1006b4bfb7aacd115511d06c5bf886791ed9fec5ae2ce4f1af40c3f3978de43d527f0ddfb7e3dc4cd4db8a183d4dec03df46960864820ecdfd9a21c7d |
memory/1944-17-0x00007FFE06700000-0x00007FFE071C1000-memory.dmp