tinba | 8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca

General

Target

8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
Size

98KB
MD5

b7a07bcf6758bb13cc0d6f86e3e79980
SHA1

e14c019fccbe96c3880d11ab0d15427e24c694fa
SHA256

8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca
SHA512

fed7c39476019aba7a427a237676652e6665913ed0bbf12da023265835679ed1fe01d6b2140c481ef6f79b2e04b5a1f4e5651c186c9e6e6bda682d24353fe664

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
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	winver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\4E3A1FAB = "C:\\Users\\Admin\\AppData\\Roaming\\4E3A1FAB\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe

description	pid	process	target process
PID 660 set thread context of 2892	660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2032 3772 WerFault.exe DllHost.exe

pid	pid_target	process	target process
2032	3772	WerFault.exe	DllHost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exewinver.exeWerFault.exe

pid	process
660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
2032	WerFault.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe
3176	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3020 Explorer.EXE

pid	process
3020	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

WerFault.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2032	WerFault.exe
Token: SeShutdownPrivilege	3020	Explorer.EXE
Token: SeCreatePagefilePrivilege	3020	Explorer.EXE
Token: SeShutdownPrivilege	3020	Explorer.EXE
Token: SeCreatePagefilePrivilege	3020	Explorer.EXE
Token: SeShutdownPrivilege	3020	Explorer.EXE
Token: SeCreatePagefilePrivilege	3020	Explorer.EXE
Token: SeShutdownPrivilege	3020	Explorer.EXE
Token: SeCreatePagefilePrivilege	3020	Explorer.EXE
Token: SeShutdownPrivilege	3020	Explorer.EXE
Token: SeCreatePagefilePrivilege	3020	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

winver.exeExplorer.EXE

pid process

3176 winver.exe
3020 Explorer.EXE
3020 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

3020 Explorer.EXE
3020 Explorer.EXE

pid	process
3176	winver.exe
3020	Explorer.EXE
3020	Explorer.EXE

pid	process
3020	Explorer.EXE
3020	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe

pid	process
660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3020 Explorer.EXE

pid	process
3020	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exewinver.exe

description	pid	process	target process
PID 660 wrote to memory of 2892	660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
PID 660 wrote to memory of 2892	660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
PID 660 wrote to memory of 2892	660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
PID 660 wrote to memory of 2892	660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
PID 660 wrote to memory of 2892	660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
PID 660 wrote to memory of 2892	660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
PID 660 wrote to memory of 2892	660	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
PID 2892 wrote to memory of 3176	2892	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	winver.exe
PID 2892 wrote to memory of 3176	2892	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	winver.exe
PID 2892 wrote to memory of 3176	2892	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	winver.exe
PID 2892 wrote to memory of 3176	2892	8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe	winver.exe
PID 3176 wrote to memory of 3020	3176	winver.exe	Explorer.EXE
PID 3176 wrote to memory of 2328	3176	winver.exe	sihost.exe
PID 3176 wrote to memory of 2344	3176	winver.exe	svchost.exe
PID 3176 wrote to memory of 2472	3176	winver.exe	taskhostw.exe
PID 3176 wrote to memory of 3020	3176	winver.exe	Explorer.EXE
PID 3176 wrote to memory of 3236	3176	winver.exe	ShellExperienceHost.exe
PID 3176 wrote to memory of 3244	3176	winver.exe	SearchUI.exe
PID 3176 wrote to memory of 3476	3176	winver.exe	RuntimeBroker.exe
PID 3176 wrote to memory of 3772	3176	winver.exe	DllHost.exe
PID 3176 wrote to memory of 2052	3176	winver.exe	DllHost.exe
PID 3176 wrote to memory of 220	3176	winver.exe
PID 3176 wrote to memory of 2032	3176	winver.exe	WerFault.exe
PID 3176 wrote to memory of 3892	3176	winver.exe	slui.exe

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
PID:3236

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
PID:3244

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
PID:3020

C:\Users\Admin\AppData\Local\Temp\8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
"C:\Users\Admin\AppData\Local\Temp\8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:660

C:\Users\Admin\AppData\Local\Temp\8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
C:\Users\Admin\AppData\Local\Temp\8fc589bedd19c93aaf61e9377ff8524051061f928534696d534686647b0659ca.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2892

C:\Windows\SysWOW64\winver.exe
winver
4⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3176

c:\windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2472

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2344

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3772

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3772 -s 836
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2032

c:\windows\system32\sihost.exe
sihost.exe
1⤵
PID:2328

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:2052

C:\Windows\System32\slui.exe
C:\Windows\System32\slui.exe -Embedding
1⤵
PID:3892

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/660-117-0x00000000022C0000-0x00000000022C4000-memory.dmp

Filesize
16KB

Download
memory/2032-129-0x00007FFDF5B00000-0x00007FFDF5B01000-memory.dmp

Filesize
4KB

Download
memory/2032-128-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/2052-127-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download
memory/2328-122-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

Filesize
24KB

Download
memory/2344-124-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/2472-125-0x0000000000990000-0x0000000000996000-memory.dmp

Filesize
24KB

Download
memory/2892-118-0x0000000000400000-0x0000000000404400-memory.dmp

Filesize
17KB

Download
memory/2892-114-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/2892-119-0x0000000001610000-0x000000000175A000-memory.dmp

Filesize
1.3MB

Download
memory/2892-115-0x0000000000401000-mapping.dmp

Download
memory/3020-121-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/3020-123-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download
memory/3020-130-0x00007FFDF5B10000-0x00007FFDF5B11000-memory.dmp

Filesize
4KB

Download
memory/3176-120-0x0000000004B70000-0x0000000004B76000-memory.dmp

Filesize
24KB

Download
memory/3176-116-0x0000000000000000-mapping.dmp

Download
memory/3476-126-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3892-131-0x0000000000080000-0x0000000000086000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads