tinba | 5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47

Analysis

max time kernel
119s
max time network
115s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/10/2024, 11:27

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General

Target

5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe
Size

59KB
MD5

a58e1223a4110108b857e24dd054cba0
SHA1

d952bd5eb22d09092b86e154636408067e555604
SHA256

5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47
SHA512

2606062e6dadab679dbef725ab97e2afd01f1013164f371f8fd65494b98b47866044de85d4525f85ba3aae317d0f5829da45a9220486264b3c11fcb085851d7b
SSDEEP

768:w+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:w+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\5953FCB6 = "C:\\Users\\Admin\\AppData\\Roaming\\5953FCB6\\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	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe
2360	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2360	winver.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 276 wrote to memory of 2360	276	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	32
PID 276 wrote to memory of 2360	276	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	32
PID 276 wrote to memory of 2360	276	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	32
PID 276 wrote to memory of 2360	276	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	32
PID 276 wrote to memory of 2360	276	5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe	32
PID 2360 wrote to memory of 1208	2360	winver.exe	21
PID 2360 wrote to memory of 1096	2360	winver.exe	19
PID 2360 wrote to memory of 1172	2360	winver.exe	20
PID 2360 wrote to memory of 1208	2360	winver.exe	21
PID 2360 wrote to memory of 1424	2360	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208
- C:\Users\Admin\AppData\Local\Temp\5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe
  "C:\Users\Admin\AppData\Local\Temp\5aefec9fe643bcc40d5e7c7dfcbd018486aa4a32fe16aee152ffec4f74fb9d47N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:276
- - 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:2360

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1424

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/276-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/276-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/276-4-0x0000000001C20000-0x0000000002620000-memory.dmp

Filesize
10.0MB

Download
memory/276-12-0x0000000001C20000-0x0000000002620000-memory.dmp

Filesize
10.0MB

Download
memory/1096-37-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1096-29-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1096-22-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1096-23-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1172-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-24-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1208-21-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1208-28-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1208-9-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1208-1-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1424-27-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1424-31-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1424-32-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/2360-8-0x000000007741F000-0x0000000077421000-memory.dmp

Filesize
8KB

Download
memory/2360-10-0x0000000077220000-0x00000000773C9000-memory.dmp

Filesize
1.7MB

Download
memory/2360-7-0x000000007741F000-0x0000000077420000-memory.dmp

Filesize
4KB

Download
memory/2360-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2360-33-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2360-6-0x0000000077420000-0x0000000077421000-memory.dmp

Filesize
4KB

Download