tinba | 9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2

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
29-09-2024 01:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe
Size

45KB
MD5

04037a3c5502f91f42fd80cd60a552f4
SHA1

22ab11a10d2e43c8b4ab20b1c3884fccc813ec5a
SHA256

9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2
SHA512

0b4b6369705372f95d02d6cb91f40802e1eba0252fba98f118a1bfa976263ce7539863589b8e07947b2b1c3fc0782d30ca9ce63d9a34e9f13b10838f6503572a
SSDEEP

768:GhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:KsWE9N5dFu53dsniQaB/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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\2B803EA6 = "C:\\Users\\Admin\\AppData\\Roaming\\2B803EA6\\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/2688-0-0x0000000000400000-0x000000000041D000-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	9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe
2392	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2392	winver.exe
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2392	2688	9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe	31
PID 2688 wrote to memory of 2392	2688	9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe	31
PID 2688 wrote to memory of 2392	2688	9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe	31
PID 2688 wrote to memory of 2392	2688	9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe	31
PID 2688 wrote to memory of 2392	2688	9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe	31
PID 2392 wrote to memory of 1112	2392	winver.exe	20
PID 2392 wrote to memory of 1032	2392	winver.exe	17
PID 2392 wrote to memory of 1048	2392	winver.exe	18
PID 2392 wrote to memory of 1112	2392	winver.exe	20
PID 2392 wrote to memory of 1420	2392	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1032

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1112
- C:\Users\Admin\AppData\Local\Temp\9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe
  "C:\Users\Admin\AppData\Local\Temp\9cef71133a35c36b2f849e088862941a7f5edb8d4384577e495d4276482fefa2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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:2392

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1420

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

Loading Replay Monitor...

Downloads

memory/1032-24-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1032-25-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1048-28-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1048-19-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1112-2-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-4-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-10-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/1112-3-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-29-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1112-21-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1420-23-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1420-26-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1420-27-0x0000000076ED1000-0x0000000076ED2000-memory.dmp

Filesize
4KB

Download
memory/2392-11-0x0000000076E80000-0x0000000077029000-memory.dmp

Filesize
1.7MB

Download
memory/2392-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2392-7-0x0000000077080000-0x0000000077081000-memory.dmp

Filesize
4KB

Download
memory/2392-8-0x000000007707F000-0x0000000077080000-memory.dmp

Filesize
4KB

Download
memory/2392-9-0x000000007707F000-0x0000000077081000-memory.dmp

Filesize
8KB

Download
memory/2392-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2392-35-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2688-13-0x0000000001B50000-0x0000000002550000-memory.dmp

Filesize
10.0MB

Download
memory/2688-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2688-5-0x0000000001B50000-0x0000000002550000-memory.dmp

Filesize
10.0MB

Download
memory/2688-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2688-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download