tinba | 7c814ce9d9aa397b75241dbd68e6fc9c5ab694083b7fa065775ff8e25c08e6c4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 01:53

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General

Target

ff8fcd24c51448c01bb33533a7bcb1a0N.exe
Size

45KB
MD5

ff8fcd24c51448c01bb33533a7bcb1a0
SHA1

7ef2aa19a9a5a3aa27fb367dcd97e758e533ecc1
SHA256

7c814ce9d9aa397b75241dbd68e6fc9c5ab694083b7fa065775ff8e25c08e6c4
SHA512

56f46024bf47c9a8596f5b5d909cbc0a2206f1f24603045094b1d1c0cbe273af252f9ce464771c72ee494770ca246e821c4e3346d88f6913369558846cf181fe
SSDEEP

768:PhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:ZsWE9N5dFu53dsniQaB/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/964-0-0x0000000000400000-0x000000000041D000-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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\17CB3F41 = "C:\\Users\\Admin\\AppData\\Roaming\\17CB3F41\\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	ff8fcd24c51448c01bb33533a7bcb1a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe
788	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
788	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 788	964	ff8fcd24c51448c01bb33533a7bcb1a0N.exe	31
PID 964 wrote to memory of 788	964	ff8fcd24c51448c01bb33533a7bcb1a0N.exe	31
PID 964 wrote to memory of 788	964	ff8fcd24c51448c01bb33533a7bcb1a0N.exe	31
PID 964 wrote to memory of 788	964	ff8fcd24c51448c01bb33533a7bcb1a0N.exe	31
PID 964 wrote to memory of 788	964	ff8fcd24c51448c01bb33533a7bcb1a0N.exe	31
PID 788 wrote to memory of 1200	788	winver.exe	21
PID 788 wrote to memory of 1076	788	winver.exe	18
PID 788 wrote to memory of 1136	788	winver.exe	19
PID 788 wrote to memory of 1200	788	winver.exe	21
PID 788 wrote to memory of 2032	788	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1136

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\ff8fcd24c51448c01bb33533a7bcb1a0N.exe
  "C:\Users\Admin\AppData\Local\Temp\ff8fcd24c51448c01bb33533a7bcb1a0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:964
- - 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:788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2032

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/788-6-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/788-34-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/788-11-0x0000000077820000-0x00000000779C9000-memory.dmp

Filesize
1.7MB

Download
memory/788-9-0x0000000077A1F000-0x0000000077A21000-memory.dmp

Filesize
8KB

Download
memory/788-8-0x0000000077A1F000-0x0000000077A20000-memory.dmp

Filesize
4KB

Download
memory/788-7-0x0000000077A20000-0x0000000077A21000-memory.dmp

Filesize
4KB

Download
memory/964-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/964-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/964-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/964-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/964-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1076-27-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1076-26-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/1076-25-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/1076-28-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/1136-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1136-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1200-31-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/2032-30-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/2032-32-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/2032-33-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/2032-24-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/2032-35-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/2032-36-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download