tinba | 640db2b24b1ff39f4c6c8eb1d177c7d9882d55839744901e55891a496bab7304

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 07:52

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General

Target

JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe
Size

49KB
MD5

95ba507c62f9bfbe0bc258702450e634
SHA1

1a3af882c7600a021a7a01e5739e630ad45dc3b8
SHA256

640db2b24b1ff39f4c6c8eb1d177c7d9882d55839744901e55891a496bab7304
SHA512

f2d33ced2ca42e7d0d7922f6778b3ad8aa362418d86e6f45285d2069fce6ca8f0b52b3155f4165ebdb84d4b74764a768acd497eeb1a70dd1fa47ef5044d6c565
SSDEEP

768:LCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9Jw:vbw/6plBTFBYNNR9Jw

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\E5267C03 = "C:\\Users\\Admin\\AppData\\Roaming\\E5267C03\\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	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2516	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 2516	1920	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	31
PID 1920 wrote to memory of 2516	1920	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	31
PID 1920 wrote to memory of 2516	1920	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	31
PID 1920 wrote to memory of 2516	1920	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	31
PID 1920 wrote to memory of 2516	1920	JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe	31
PID 2516 wrote to memory of 1212	2516	winver.exe	21
PID 2516 wrote to memory of 1088	2516	winver.exe	19
PID 2516 wrote to memory of 1168	2516	winver.exe	20
PID 2516 wrote to memory of 1212	2516	winver.exe	21
PID 2516 wrote to memory of 1444	2516	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ba507c62f9bfbe0bc258702450e634.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1920
- - 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:2516

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1444

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/1088-26-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1088-27-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1168-37-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-29-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-23-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1212-31-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1444-32-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1444-25-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1444-33-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1920-12-0x0000000001FA0000-0x00000000029A0000-memory.dmp

Filesize
10.0MB

Download
memory/1920-11-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1920-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1920-4-0x0000000001FA0000-0x00000000029A0000-memory.dmp

Filesize
10.0MB

Download
memory/2516-30-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2516-5-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2516-6-0x0000000077690000-0x0000000077691000-memory.dmp

Filesize
4KB

Download
memory/2516-7-0x000000007768F000-0x0000000077690000-memory.dmp

Filesize
4KB

Download
memory/2516-8-0x000000007768F000-0x0000000077691000-memory.dmp

Filesize
8KB

Download
memory/2516-10-0x0000000077490000-0x0000000077639000-memory.dmp

Filesize
1.7MB

Download