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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	winver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\21F93C60 = "C:\\Users\\Admin\\AppData\\Roaming\\21F93C60\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

winver.exe

pid	process
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe
1772	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

winver.exeExplorer.EXE

pid process

1772 winver.exe
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exewinver.exe

description	pid	process	target process
PID 1836 wrote to memory of 1772	1836	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 1836 wrote to memory of 1772	1836	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 1836 wrote to memory of 1772	1836	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 1836 wrote to memory of 1772	1836	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 1836 wrote to memory of 1772	1836	671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe	winver.exe
PID 1772 wrote to memory of 1220	1772	winver.exe	Explorer.EXE
PID 1772 wrote to memory of 1120	1772	winver.exe	taskhost.exe
PID 1772 wrote to memory of 1164	1772	winver.exe	Dwm.exe
PID 1772 wrote to memory of 1220	1772	winver.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1220

C:\Users\Admin\AppData\Local\Temp\671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe
"C:\Users\Admin\AppData\Local\Temp\671eff9c2d45ef1ae474c5580138aca9fd58251905f301808a4e30039fd21bf8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1836

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:1772

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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/1120-69-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1164-71-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1220-70-0x0000000002C00000-0x0000000002C06000-memory.dmp

Filesize
24KB

Download
memory/1220-74-0x00000000771C0000-0x00000000771C1000-memory.dmp

Filesize
4KB

Download
memory/1220-72-0x00000000771F0000-0x00000000771F1000-memory.dmp

Filesize
4KB

Download
memory/1220-73-0x00000000771E0000-0x00000000771E1000-memory.dmp

Filesize
4KB

Download
memory/1220-67-0x0000000002A00000-0x0000000002A06000-memory.dmp

Filesize
24KB

Download
memory/1772-65-0x0000000000270000-0x0000000000286000-memory.dmp

Filesize
88KB

Download
memory/1772-68-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/1772-66-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1772-62-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/1772-61-0x0000000000000000-mapping.dmp

Download
memory/1836-64-0x0000000002070000-0x0000000002A70000-memory.dmp

Filesize
10.0MB

Download
memory/1836-60-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1836-63-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads