tinba | 671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8

General

Target

671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe
Size

69KB
MD5

233c1bf3b2d03c537c84d36307bb63fd
SHA1

ede614c1b886b8d6918298776cc0ac4669a46131
SHA256

671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8
SHA512

4aedb6a00460ad31967672779f8bffd5936391eea6266f68e44e202c8a4cbf5d4c8fec532bbb798c69c9d1128b0fd3edfdfa1ea2736720966c2b1e2cac54f637

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\15BAB5BE = "C:\\Users\\Admin\\AppData\\Roaming\\15BAB5BE\\bin.exe"	winver.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	winver.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3880 3784 WerFault.exe DllHost.exe

pid	pid_target	process	target process
3880	3784	WerFault.exe	DllHost.exe

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

winver.exeWerFault.exe

pid	process
2564	winver.exe
2564	winver.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE

pid	process
3060	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

Explorer.EXEWerFault.exe

description	pid	process
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeDebugPrivilege	3880	WerFault.exe
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

winver.exeExplorer.EXE

pid process

2564 winver.exe
3060 Explorer.EXE
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE

pid	process
3060	Explorer.EXE

pid	process
3060	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exewinver.exe

description	pid	process	target process
PID 3736 wrote to memory of 2564	3736	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 3736 wrote to memory of 2564	3736	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 3736 wrote to memory of 2564	3736	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 3736 wrote to memory of 2564	3736	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 2564 wrote to memory of 3060	2564	winver.exe	Explorer.EXE
PID 2564 wrote to memory of 2372	2564	winver.exe	sihost.exe
PID 2564 wrote to memory of 2392	2564	winver.exe	svchost.exe
PID 2564 wrote to memory of 2464	2564	winver.exe	taskhostw.exe
PID 2564 wrote to memory of 3060	2564	winver.exe	Explorer.EXE
PID 2564 wrote to memory of 3280	2564	winver.exe	ShellExperienceHost.exe
PID 2564 wrote to memory of 3296	2564	winver.exe	SearchUI.exe
PID 2564 wrote to memory of 3508	2564	winver.exe	RuntimeBroker.exe
PID 2564 wrote to memory of 3784	2564	winver.exe	DllHost.exe
PID 2564 wrote to memory of 2876	2564	winver.exe	DllHost.exe
PID 2564 wrote to memory of 2720	2564	winver.exe
PID 2564 wrote to memory of 3880	2564	winver.exe	WerFault.exe
PID 2564 wrote to memory of 3256	2564	winver.exe	slui.exe

c:\windows\system32\sihost.exe
sihost.exe
1⤵
PID:2372

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
PID:3060

C:\Users\Admin\AppData\Local\Temp\671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe
"C:\Users\Admin\AppData\Local\Temp\671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3736

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2564

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
PID:3280

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3784

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3784 -s 848
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3508

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
PID:3296

c:\windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2464

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2392

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:2876

C:\Windows\System32\slui.exe
C:\Windows\System32\slui.exe -Embedding
1⤵
PID:3256

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2372-123-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2392-124-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2464-126-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/2564-118-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2564-115-0x0000000000000000-mapping.dmp

Download
memory/2876-128-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/3060-122-0x00007FFCFAD20000-0x00007FFCFAD21000-memory.dmp

Filesize
4KB

Download
memory/3060-121-0x00007FFCFAD30000-0x00007FFCFAD31000-memory.dmp

Filesize
4KB

Download
memory/3060-120-0x00007FFCFAD40000-0x00007FFCFAD41000-memory.dmp

Filesize
4KB

Download
memory/3060-119-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/3060-125-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3256-130-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3508-127-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3736-117-0x0000000002510000-0x0000000002F10000-memory.dmp

Filesize
10.0MB

Download
memory/3736-114-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3736-116-0x0000000000420000-0x00000000004CE000-memory.dmp

Filesize
696KB

Download
memory/3880-129-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads