tinba | 127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-02-2025 12:59

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General

Target

127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe
Size

225KB
MD5

a9f587663c2206506f1924faf1d460b1
SHA1

3ae5add94e53fa69234090caf4534bf274073b7a
SHA256

127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31
SHA512

79b729ddda3905ba541bbcd5f5090f9d65db36e4a1a76203cd123b6386874f984bb265737b13c3e111b4d6cdef241eadb17579e95b0a68c9a576ee62437dd81a
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:zATuTAnKGwUAW3ycQqg1

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\5EFC01DB = "C:\\Users\\Admin\\AppData\\Roaming\\5EFC01DB\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2256	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2256	2860	127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe	31
PID 2860 wrote to memory of 2256	2860	127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe	31
PID 2860 wrote to memory of 2256	2860	127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe	31
PID 2860 wrote to memory of 2256	2860	127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe	31
PID 2860 wrote to memory of 2256	2860	127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe	31
PID 2256 wrote to memory of 1192	2256	winver.exe	21
PID 2256 wrote to memory of 1112	2256	winver.exe	19
PID 2256 wrote to memory of 1152	2256	winver.exe	20
PID 2256 wrote to memory of 1192	2256	winver.exe	21
PID 2256 wrote to memory of 848	2256	winver.exe	23
PID 2256 wrote to memory of 2860	2256	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe
  "C:\Users\Admin\AppData\Local\Temp\127268547e73bc03a4867a56c4afd5b98949be9ba6223caea1cd28cb91363e31.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2256

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/848-28-0x0000000002370000-0x0000000002376000-memory.dmp

Filesize
24KB

Download
memory/848-18-0x0000000002370000-0x0000000002376000-memory.dmp

Filesize
24KB

Download
memory/1112-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1112-9-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1152-12-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1152-29-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1192-15-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/2256-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2256-33-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2860-21-0x0000000000050000-0x0000000000056000-memory.dmp

Filesize
24KB

Download
memory/2860-27-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download