tinba | a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 02:56

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General

Target

a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe
Size

45KB
MD5

848ff543c1efa25aa3f0d10bfd6d5bc2
SHA1

4435212527cec31a590155d0b2e5d299ad22ec1d
SHA256

a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a
SHA512

b6e2e6e8d91448a92c22dfd8c9c423f2d80b61bc12529381d18790a1236c53524b02aea1622d4090bc1ba53237e7c05dc32e83d4388e88ba1896ec17999c9515
SSDEEP

768:fhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:JsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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\C3556C38 = "C:\\Users\\Admin\\AppData\\Roaming\\C3556C38\\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/2524-0-0x0000000000400000-0x000000000041D000-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	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe
2484	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2484	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 2524 wrote to memory of 2484	2524	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	31
PID 2524 wrote to memory of 2484	2524	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	31
PID 2524 wrote to memory of 2484	2524	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	31
PID 2524 wrote to memory of 2484	2524	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	31
PID 2524 wrote to memory of 2484	2524	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	31
PID 2484 wrote to memory of 1204	2484	winver.exe	21
PID 2484 wrote to memory of 1096	2484	winver.exe	19
PID 2484 wrote to memory of 1176	2484	winver.exe	20
PID 2484 wrote to memory of 1204	2484	winver.exe	21
PID 2484 wrote to memory of 884	2484	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

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\a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe
  "C:\Users\Admin\AppData\Local\Temp\a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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:2484

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:884

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/884-24-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/884-28-0x00000000770C1000-0x00000000770C2000-memory.dmp

Filesize
4KB

Download
memory/884-27-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1096-25-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1096-26-0x00000000770C1000-0x00000000770C2000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-30-0x00000000770C1000-0x00000000770C2000-memory.dmp

Filesize
4KB

Download
memory/1176-35-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1204-31-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1204-22-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x00000000770C1000-0x00000000770C2000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/2484-11-0x0000000077070000-0x0000000077219000-memory.dmp

Filesize
1.7MB

Download
memory/2484-6-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2484-7-0x0000000077270000-0x0000000077271000-memory.dmp

Filesize
4KB

Download
memory/2484-8-0x000000007726F000-0x0000000077270000-memory.dmp

Filesize
4KB

Download
memory/2484-9-0x000000007726F000-0x0000000077271000-memory.dmp

Filesize
8KB

Download
memory/2484-32-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2524-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2524-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2524-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2524-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2524-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download