tinba | 6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/01/2025, 01:33

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General

Target

6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe
Size

45KB
MD5

5a24d95100199ba0750872647bedfbe2
SHA1

951583c4252bf789343d7d01888157d74afc746f
SHA256

6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606
SHA512

ff7565c8d6bca724270710574b2c27b0a83a4a22d19461a1d6e5decf67835486b3d962d8ee9df9498f1df4e9f8649ead02a91e320bdff892894c228b3b66ed87
SSDEEP

768:6hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:2sWE9N5dFu53dsniQaB/xZ14n7zIF+qD

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\86BEC53B = "C:\\Users\\Admin\\AppData\\Roaming\\86BEC53B\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3036-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2576	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2576	3036	6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe	31
PID 3036 wrote to memory of 2576	3036	6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe	31
PID 3036 wrote to memory of 2576	3036	6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe	31
PID 3036 wrote to memory of 2576	3036	6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe	31
PID 3036 wrote to memory of 2576	3036	6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe	31
PID 2576 wrote to memory of 1204	2576	winver.exe	21
PID 2576 wrote to memory of 1112	2576	winver.exe	19
PID 2576 wrote to memory of 1164	2576	winver.exe	20
PID 2576 wrote to memory of 1204	2576	winver.exe	21
PID 2576 wrote to memory of 496	2576	winver.exe	25

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe
  "C:\Users\Admin\AppData\Local\Temp\6936d0855a38dff44f56845ca002cedf19a9c069a4dc7327274350f0f6b11606.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3036
- - 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:2576

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:496

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/496-23-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/496-31-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/496-30-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/1112-35-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/1164-29-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1204-24-0x0000000002F10000-0x0000000002F16000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002F10000-0x0000000002F16000-memory.dmp

Filesize
24KB

Download
memory/2576-11-0x00000000770A0000-0x0000000077249000-memory.dmp

Filesize
1.7MB

Download
memory/2576-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2576-7-0x00000000772A0000-0x00000000772A1000-memory.dmp

Filesize
4KB

Download
memory/2576-8-0x000000007729F000-0x00000000772A0000-memory.dmp

Filesize
4KB

Download
memory/2576-28-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2576-9-0x000000007729F000-0x00000000772A1000-memory.dmp

Filesize
8KB

Download
memory/3036-13-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/3036-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3036-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3036-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/3036-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download