tinba | ae2620577d793c33c4fad31722970111deabc3f9d96c8894147916a5f10d186f

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 04:13

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General

Target

66a6f878614548dd5fc724627da63c80N.exe
Size

45KB
MD5

66a6f878614548dd5fc724627da63c80
SHA1

90a5aabe132086447bce4215b1c117bb381f355e
SHA256

ae2620577d793c33c4fad31722970111deabc3f9d96c8894147916a5f10d186f
SHA512

901ce49a2c83f362673916a0752bddd46649ac727a59c028f99c207140f711c083b3a212f94651b2c2f6e9aa6965175c7cd26ad29ed1f99bdd05e2b8428a1232
SSDEEP

768:xhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:LsWE9N5dFu53dsniQaB/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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1708-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\BB6E4E5A = "C:\\Users\\Admin\\AppData\\Roaming\\BB6E4E5A\\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	66a6f878614548dd5fc724627da63c80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1636	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1636	1708	66a6f878614548dd5fc724627da63c80N.exe	32
PID 1708 wrote to memory of 1636	1708	66a6f878614548dd5fc724627da63c80N.exe	32
PID 1708 wrote to memory of 1636	1708	66a6f878614548dd5fc724627da63c80N.exe	32
PID 1708 wrote to memory of 1636	1708	66a6f878614548dd5fc724627da63c80N.exe	32
PID 1708 wrote to memory of 1636	1708	66a6f878614548dd5fc724627da63c80N.exe	32
PID 1636 wrote to memory of 1196	1636	winver.exe	21
PID 1636 wrote to memory of 1104	1636	winver.exe	19
PID 1636 wrote to memory of 1152	1636	winver.exe	20
PID 1636 wrote to memory of 1196	1636	winver.exe	21
PID 1636 wrote to memory of 836	1636	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\66a6f878614548dd5fc724627da63c80N.exe
  "C:\Users\Admin\AppData\Local\Temp\66a6f878614548dd5fc724627da63c80N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1708
- - 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:1636

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:836

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/836-32-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/836-33-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/1104-24-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1104-25-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/1152-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-31-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-23-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/1636-7-0x00000000770F0000-0x00000000770F1000-memory.dmp

Filesize
4KB

Download
memory/1636-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1636-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1636-8-0x00000000770EF000-0x00000000770F0000-memory.dmp

Filesize
4KB

Download
memory/1636-11-0x0000000076EF0000-0x0000000077099000-memory.dmp

Filesize
1.7MB

Download
memory/1636-9-0x00000000770EF000-0x00000000770F1000-memory.dmp

Filesize
8KB

Download
memory/1708-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/1708-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1708-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1708-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/1708-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download