tinba | 50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-02-2025 10:17

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General

Target

50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe
Size

52KB
MD5

1ba9fb1ed9b48205d3387917ded79b40
SHA1

5cfd3f047ab06ab5faf84423f1c7510c2817c7e6
SHA256

50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51
SHA512

ad38241d9d675335416faca85ed2ee932e07cef39dc41e993bffccc746db2acb18a31faea33971aa3fa1f153038bce7196336d9f7fa399e38d447b696b930848
SSDEEP

768:JvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jqn:lmZNZUXeQXFhS6sM3prUSGg7O1d9Jq

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\DBF6C2D2 = "C:\\Users\\Admin\\AppData\\Roaming\\DBF6C2D2\\bin.exe"	winver.exe

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	50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe
2140	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2140	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2140	2268	50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe	30
PID 2268 wrote to memory of 2140	2268	50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe	30
PID 2268 wrote to memory of 2140	2268	50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe	30
PID 2268 wrote to memory of 2140	2268	50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe	30
PID 2268 wrote to memory of 2140	2268	50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe	30
PID 2140 wrote to memory of 1188	2140	winver.exe	20
PID 2140 wrote to memory of 1112	2140	winver.exe	18
PID 2140 wrote to memory of 1164	2140	winver.exe	19
PID 2140 wrote to memory of 1188	2140	winver.exe	20
PID 2140 wrote to memory of 1644	2140	winver.exe	24

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⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe
  "C:\Users\Admin\AppData\Local\Temp\50e333383be25a41ad81e34fb12daff71b5c3f9bbb5481715877b4981d59ae51N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2268
- - 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:2140

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1644

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/1112-23-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1112-24-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1164-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-9-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1188-20-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1188-26-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1644-22-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1644-28-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1644-27-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2140-5-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2140-6-0x0000000077D10000-0x0000000077D11000-memory.dmp

Filesize
4KB

Download
memory/2140-7-0x0000000077D0F000-0x0000000077D10000-memory.dmp

Filesize
4KB

Download
memory/2140-8-0x0000000077D0F000-0x0000000077D11000-memory.dmp

Filesize
8KB

Download
memory/2140-10-0x0000000077B10000-0x0000000077CB9000-memory.dmp

Filesize
1.7MB

Download
memory/2140-29-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2268-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2268-12-0x0000000001DF0000-0x00000000027F0000-memory.dmp

Filesize
10.0MB

Download
memory/2268-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2268-4-0x0000000001DF0000-0x00000000027F0000-memory.dmp

Filesize
10.0MB

Download