Analysis Overview
SHA256
f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8
Threat Level: Known bad
The file f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8 was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
Adds Run key to start application
Program crash
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-22 04:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 04:51
Reported
2024-06-22 04:53
Platform
win7-20240221-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Tinba / TinyBanker
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\A081D320 = "C:\\Users\\Admin\\AppData\\Roaming\\A081D320\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8.exe
"C:\Users\Admin\AppData\Local\Temp\f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | elitiorecfreetoo.cc | udp |
| US | 216.218.185.162:80 | elitiorecfreetoo.cc | tcp |
Files
memory/1212-1-0x0000000002E00000-0x0000000002E06000-memory.dmp
memory/1212-3-0x0000000002E00000-0x0000000002E06000-memory.dmp
memory/2428-4-0x0000000000120000-0x0000000000126000-memory.dmp
memory/1212-6-0x0000000002E00000-0x0000000002E06000-memory.dmp
memory/2428-20-0x0000000000230000-0x0000000000236000-memory.dmp
memory/1212-15-0x0000000002E10000-0x0000000002E16000-memory.dmp
memory/1180-12-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1080-9-0x0000000000320000-0x0000000000326000-memory.dmp
memory/996-22-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1212-25-0x0000000002E10000-0x0000000002E16000-memory.dmp
memory/1080-24-0x0000000000320000-0x0000000000326000-memory.dmp
memory/1180-23-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2428-27-0x0000000000230000-0x0000000000236000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 04:51
Reported
2024-06-22 04:53
Platform
win10v2004-20240611-en
Max time kernel
146s
Max time network
152s
Command Line
Signatures
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\winver.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8.exe |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" | C:\Windows\System32\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8.exe | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8.exe
"C:\Users\Admin\AppData\Local\Temp\f5a43a827f34e8a6e99d2e41e7ba1bbe50d6ebaae382a83d4b3451e8ca2759e8.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1308,i,3144109701624127473,12586215149656995128,262144 --variations-seed-version --mojo-platform-channel-handle=3368 /prefetch:8
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 820 -ip 820
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2284 -ip 2284
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 888
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| NL | 52.111.243.29:443 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/2284-1-0x00000000046B0000-0x0000000004D08000-memory.dmp
memory/2284-2-0x0000000003ED0000-0x0000000003ED1000-memory.dmp
memory/3560-4-0x0000000000910000-0x0000000000916000-memory.dmp
memory/3560-5-0x0000000000910000-0x0000000000916000-memory.dmp
memory/2284-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3560-11-0x0000000000AB0000-0x0000000000AB6000-memory.dmp
memory/2284-12-0x00000000058C0000-0x00000000062C0000-memory.dmp
memory/2472-13-0x00000000008A0000-0x00000000008A6000-memory.dmp
memory/2284-14-0x00000000058C0000-0x00000000062C0000-memory.dmp
memory/2284-18-0x00000000046B0000-0x0000000004D08000-memory.dmp
memory/2472-19-0x00000000008A0000-0x00000000008A6000-memory.dmp