Analysis Overview
SHA256
21975b5d29637803300a8442c7f0cedd2966acc4a15fde77479ac5ad7b01c5ba
Threat Level: Known bad
The file f912be8287054d423391ab02ae3ce840.bin was found to be: Known bad.
Malicious Activity Summary
Tinba / TinyBanker
UPX packed file
Adds Run key to start application
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-27 02:51
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-27 02:51
Reported
2023-10-27 02:53
Platform
win7-20231025-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Run\726F2F3D = "C:\\Users\\Admin\\AppData\\Roaming\\726F2F3D\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | 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 |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Users\Admin\AppData\Local\Temp\f912be8287054d423391ab02ae3ce840.exe
"C:\Users\Admin\AppData\Local\Temp\f912be8287054d423391ab02ae3ce840.exe"
C:\Windows\SysWOW64\winver.exe
winver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | spaines.pw | udp |
| US | 216.218.185.162:80 | spaines.pw | tcp |
Files
memory/1768-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1768-1-0x0000000000020000-0x0000000000021000-memory.dmp
memory/1768-3-0x0000000001E50000-0x0000000002850000-memory.dmp
memory/1268-2-0x0000000002290000-0x0000000002296000-memory.dmp
memory/2172-6-0x0000000077E8F000-0x0000000077E90000-memory.dmp
memory/1268-7-0x0000000002290000-0x0000000002296000-memory.dmp
memory/2172-8-0x0000000077E8F000-0x0000000077E91000-memory.dmp
memory/2172-9-0x0000000077E90000-0x0000000077E91000-memory.dmp
memory/2172-4-0x0000000000100000-0x0000000000106000-memory.dmp
memory/1268-10-0x0000000077CE1000-0x0000000077CE2000-memory.dmp
memory/2172-11-0x00000000004A0000-0x00000000004B6000-memory.dmp
memory/1768-12-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1768-13-0x0000000001E50000-0x0000000002850000-memory.dmp
memory/2172-15-0x0000000000100000-0x0000000000106000-memory.dmp
memory/2172-16-0x0000000000180000-0x0000000000181000-memory.dmp
memory/1268-17-0x0000000077E70000-0x0000000077E71000-memory.dmp
memory/1120-22-0x0000000000390000-0x0000000000396000-memory.dmp
memory/1120-23-0x0000000077CE1000-0x0000000077CE2000-memory.dmp
memory/1228-24-0x0000000000330000-0x0000000000336000-memory.dmp
memory/1228-27-0x0000000000330000-0x0000000000336000-memory.dmp
memory/1268-26-0x0000000002A40000-0x0000000002A46000-memory.dmp
memory/1268-28-0x0000000002A40000-0x0000000002A46000-memory.dmp
memory/2172-32-0x0000000000190000-0x0000000000191000-memory.dmp
memory/1268-33-0x0000000077E60000-0x0000000077E61000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-27 02:51
Reported
2023-10-27 02:53
Platform
win10v2004-20231023-en
Max time kernel
155s
Max time network
159s
Command Line
Signatures
Tinba / TinyBanker
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3AD2BEE2 = "C:\\Users\\Admin\\AppData\\Roaming\\3AD2BEE2\\bin.exe" | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.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: SeDebugPrivilege | N/A | C:\Windows\system32\backgroundTaskHost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\backgroundTaskHost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\backgroundTaskHost.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\winver.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\f912be8287054d423391ab02ae3ce840.exe
"C:\Users\Admin\AppData\Local\Temp\f912be8287054d423391ab02ae3ce840.exe"
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\SysWOW64\winver.exe
winver
C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.17.30.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | spaines.pw | udp |
| US | 216.218.185.162:80 | spaines.pw | tcp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | uyhgqunqkxnx.pw | udp |
| NL | 192.42.116.41:80 | uyhgqunqkxnx.pw | tcp |
| US | 8.8.8.8:53 | 162.185.218.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | vcklmnnejwxx.pw | udp |
| US | 216.218.185.162:80 | vcklmnnejwxx.pw | tcp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/3316-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3316-1-0x0000000002160000-0x0000000002161000-memory.dmp
memory/3316-2-0x00000000021C0000-0x0000000002BC0000-memory.dmp
memory/3316-3-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4408-4-0x0000000002B50000-0x0000000002B56000-memory.dmp
memory/3100-8-0x00007FFAB7D2D000-0x00007FFAB7D2E000-memory.dmp
memory/4408-7-0x0000000077272000-0x0000000077273000-memory.dmp
memory/3100-6-0x0000000000680000-0x0000000000686000-memory.dmp
memory/3316-10-0x00000000021C0000-0x0000000002BC0000-memory.dmp
memory/4408-12-0x0000000002B50000-0x0000000002B56000-memory.dmp
memory/2452-14-0x0000000000220000-0x0000000000226000-memory.dmp
memory/2416-16-0x0000000000040000-0x0000000000046000-memory.dmp
memory/3100-17-0x0000000000690000-0x0000000000696000-memory.dmp
memory/2452-20-0x0000000000220000-0x0000000000226000-memory.dmp
memory/3404-19-0x0000000000BA0000-0x0000000000BA6000-memory.dmp
memory/2624-18-0x0000000000D50000-0x0000000000D56000-memory.dmp
memory/3100-22-0x0000000000690000-0x0000000000696000-memory.dmp
memory/3648-21-0x00000000003C0000-0x00000000003C6000-memory.dmp
memory/2624-15-0x0000000000D50000-0x0000000000D56000-memory.dmp
memory/3404-24-0x0000000000BA0000-0x0000000000BA6000-memory.dmp
memory/3792-23-0x0000000000360000-0x0000000000366000-memory.dmp
memory/3792-26-0x0000000000360000-0x0000000000366000-memory.dmp
memory/3900-25-0x0000000000510000-0x0000000000516000-memory.dmp
memory/3900-27-0x0000000000510000-0x0000000000516000-memory.dmp
memory/4012-28-0x0000000000F80000-0x0000000000F86000-memory.dmp
memory/3716-29-0x0000000000110000-0x0000000000116000-memory.dmp
memory/4296-30-0x0000000000C20000-0x0000000000C26000-memory.dmp
memory/3100-32-0x00007FFAB7EC0000-0x00007FFAB7EC1000-memory.dmp
memory/1072-31-0x0000000000310000-0x0000000000316000-memory.dmp
memory/3716-33-0x0000000000110000-0x0000000000116000-memory.dmp
memory/4296-34-0x0000000000C20000-0x0000000000C26000-memory.dmp
memory/1072-35-0x0000000000310000-0x0000000000316000-memory.dmp
memory/4160-36-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2500-38-0x00000000000B0000-0x00000000000B6000-memory.dmp
memory/2348-37-0x0000000000100000-0x0000000000106000-memory.dmp
memory/4300-39-0x00000000008E0000-0x00000000008E6000-memory.dmp
memory/2500-40-0x00000000000B0000-0x00000000000B6000-memory.dmp
memory/4300-41-0x00000000008E0000-0x00000000008E6000-memory.dmp
memory/3100-55-0x00007FFAB7EB0000-0x00007FFAB7EB1000-memory.dmp
memory/4300-56-0x00007FFAB7EA0000-0x00007FFAB7EA1000-memory.dmp
memory/4300-57-0x00007FFAB7EC0000-0x00007FFAB7EC1000-memory.dmp
memory/4300-58-0x00007FFAB7EB0000-0x00007FFAB7EB1000-memory.dmp
memory/4924-59-0x0000000000C10000-0x0000000000C16000-memory.dmp
memory/3792-60-0x00007FFAB7EA0000-0x00007FFAB7EA1000-memory.dmp
memory/4924-61-0x00007FFAB7D2D000-0x00007FFAB7D2E000-memory.dmp
memory/4924-62-0x00007FFAB7D2D000-0x00007FFAB7D2E000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\TargetedContentCache\v3\338388\f85a4eff66c1407584b5adf162125869_1
| MD5 | 7870bdfadf197731be6817f275bb17bc |
| SHA1 | 46a123e4fb6e1812813276b5a60a5c8c059acb47 |
| SHA256 | 39b244700185185ac8de0dc522eff64d1127cb7601d7c7290bf0b1279c14bb5e |
| SHA512 | 3951f60f3e62995d1e0726c06aa33e71b539530e1e01cbffcdf6ef5822f1d736e577dc49ed9478199730a89b78574f34963afc4ea9cdf3d71700b03b2331201c |
memory/4924-68-0x00007FFAB7EC0000-0x00007FFAB7EC1000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\TargetedContentCache\v3\310091\5ddfea7294a54b309725c215bdb42441_1
| MD5 | 50c125df8ea415c195ab5472752906da |
| SHA1 | c1bda72f802ac09ca16394ccd94bdcd1df44de44 |
| SHA256 | 5fc0160aa2f203516b4ebcc76f93f55327b5fc0888dc8e2775f4ae09a1e7a5f7 |
| SHA512 | 61a293c368a60155e36b9cd9ebc226584e76859a6b85e90d87983e383a7c7606bf382d1e233700ef08b30a89aabe6989fa67d5bb77e207c3e2416e3b65fe4232 |
C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\ContentManagementSDK\Creatives\338388\eventbeacons.dat
| MD5 | 4c554baa3c62cd8189de83e58380010d |
| SHA1 | 6ac52facdd67cc17dad037d832412fdf1d5b34f6 |
| SHA256 | 39765255bbf289e79a827c24931fe540f666483880343f616b443f766b58da22 |
| SHA512 | 34fc395d7c8c8b5d9913a74a839c99535e457f04deee21a7072c8492eadda6e205b2773000ba0f90b5c81717b6b1016d2be14a488e5238322ecaf0ba5dfa6b58 |
C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\ContentManagementSDK\Creatives\338388\eventbeacons.dat
| MD5 | ee9f06296e8e1e975e6501e2e2d73039 |
| SHA1 | 3036d2611df70e2c0597279a2454a4035fd90358 |
| SHA256 | 9c360219c23e7ca54f0258048fa6dfa7a54ed04dba648cb97b095723f9615bd8 |
| SHA512 | 2a4c0434424b5d23cf84e6790cd3f502dd8f3835d661dbe920ac4986ea0679799d3ed4dbf11bdc614808f7a75a65eb92cdaa5cfd3862b24d779e32fa79031f34 |
C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\ContentManagementSDK\Creatives\338388\eventbeacons.dat
| MD5 | 5f83d4568db23b0663277e62b889af3e |
| SHA1 | 94394eb9d37aa92fe9d1d4f381602aa3a6d79553 |
| SHA256 | ca5b28df6522a63dee3d2eb58964adefe222a9d6ee2310c81d49a10ee3f239b2 |
| SHA512 | 8579aec54646fa1c9a8cf08c4f965fc55ae0b93a46d18fce96a91e9f9939e2da6a45cfa2be9859a6cc3335cac75027cce9cd1c9c05a83255f6e463e32810ab78 |
memory/4924-99-0x00007FFAB7EB0000-0x00007FFAB7EB1000-memory.dmp
memory/3900-100-0x00007FFAB7EA0000-0x00007FFAB7EA1000-memory.dmp
memory/3900-101-0x00007FFAB7EC0000-0x00007FFAB7EC1000-memory.dmp
memory/3900-102-0x00007FFAB7EB0000-0x00007FFAB7EB1000-memory.dmp
memory/4924-103-0x0000000000C10000-0x0000000000C16000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\TargetedContentCache\v3\338388\f85a4eff66c1407584b5adf162125869_1
| MD5 | 7870bdfadf197731be6817f275bb17bc |
| SHA1 | 46a123e4fb6e1812813276b5a60a5c8c059acb47 |
| SHA256 | 39b244700185185ac8de0dc522eff64d1127cb7601d7c7290bf0b1279c14bb5e |
| SHA512 | 3951f60f3e62995d1e0726c06aa33e71b539530e1e01cbffcdf6ef5822f1d736e577dc49ed9478199730a89b78574f34963afc4ea9cdf3d71700b03b2331201c |
memory/3792-105-0x00007FFAB7EB0000-0x00007FFAB7EB1000-memory.dmp