tinba | b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/10/2024, 06:01

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General

Target

b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe
Size

135KB
MD5

6f0fa006c0dd486d0f61a251554e15a0
SHA1

f4cd68a6f66bca94b51d545bec93e7c5be4f240a
SHA256

b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71
SHA512

4ffde7a9b063e2535b12484a63d269f26430c6e1d5bc7d00b369de69a5adb3dca480b353e7add5695d526c9ccc4ab2fdb111cb4167d6993e7614d6fbd71d6975
SSDEEP

3072:8gr6VutmzgApobYr1fpCjeAaacVoh3EYvp3zoodIy:8q6sEgAmYhfpCCAjNBXd7

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

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\141A0209 = "C:\\Users\\Admin\\AppData\\Roaming\\141A0209\\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	b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe
1628	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1628	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1628	2568	b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe	30
PID 2568 wrote to memory of 1628	2568	b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe	30
PID 2568 wrote to memory of 1628	2568	b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe	30
PID 2568 wrote to memory of 1628	2568	b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe	30
PID 2568 wrote to memory of 1628	2568	b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe	30
PID 1628 wrote to memory of 1124	1628	winver.exe	20
PID 1628 wrote to memory of 1044	1628	winver.exe	17
PID 1628 wrote to memory of 1056	1628	winver.exe	18
PID 1628 wrote to memory of 1124	1628	winver.exe	20
PID 1628 wrote to memory of 1772	1628	winver.exe	25
PID 1628 wrote to memory of 2568	1628	winver.exe	29

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1124
- C:\Users\Admin\AppData\Local\Temp\b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe
  "C:\Users\Admin\AppData\Local\Temp\b73ff0059f7676c1da145948123e43fc395ec93bca856491c1266c2b169d1a71N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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:1628

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1772

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/1044-16-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-27-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1056-28-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1056-18-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1124-12-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1124-29-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1124-1-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1124-21-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1124-2-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1124-5-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1628-8-0x00000000777C0000-0x00000000777C1000-memory.dmp

Filesize
4KB

Download
memory/1628-9-0x00000000777BF000-0x00000000777C0000-memory.dmp

Filesize
4KB

Download
memory/1628-38-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1628-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1628-7-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1628-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1628-13-0x00000000775C0000-0x0000000077769000-memory.dmp

Filesize
1.7MB

Download
memory/1628-10-0x00000000777BF000-0x00000000777C1000-memory.dmp

Filesize
8KB

Download
memory/1772-31-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1772-30-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1772-23-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2568-6-0x00000000027E0000-0x00000000031E0000-memory.dmp

Filesize
10.0MB

Download
memory/2568-0-0x00000000002D0000-0x00000000002D2000-memory.dmp

Filesize
8KB

Download
memory/2568-32-0x00000000027E0000-0x00000000031E0000-memory.dmp

Filesize
10.0MB

Download
memory/2568-14-0x0000000000400000-0x000000000079D000-memory.dmp

Filesize
3.6MB

Download