tinba | 122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 10:40

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General

Target

JaffaCakes118_9e4f8b008b9cde7875029850efa86ade.exe
Size

34KB
MD5

9e4f8b008b9cde7875029850efa86ade
SHA1

46454d4209af403e3afed59e21cfee2ec596ba04
SHA256

122487611298d9115885fccf2a40f816c5150b136e38a414ea05df53b652e191
SHA512

bd5a522f509159eaba8b9beeccf39603daec79912c0fd3aa37f98c6c9b4e718bd91172f02dda8055d4855454064d7245351c50803036dc7b3aa19aac4d5c3d6b
SSDEEP

768:Mp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:MpYoX58z1uirL98xMWnT0OQ9J2

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
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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0EAB5AA9 = "C:\\Users\\Admin\\AppData\\Roaming\\0EAB5AA9\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4688-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1828	3256	WerFault.exe	84

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_9e4f8b008b9cde7875029850efa86ade.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3256	winver.exe
3256	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3256	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 3256	4688	JaffaCakes118_9e4f8b008b9cde7875029850efa86ade.exe	84
PID 4688 wrote to memory of 3256	4688	JaffaCakes118_9e4f8b008b9cde7875029850efa86ade.exe	84
PID 4688 wrote to memory of 3256	4688	JaffaCakes118_9e4f8b008b9cde7875029850efa86ade.exe	84
PID 4688 wrote to memory of 3256	4688	JaffaCakes118_9e4f8b008b9cde7875029850efa86ade.exe	84
PID 3256 wrote to memory of 3544	3256	winver.exe	56
PID 3256 wrote to memory of 2596	3256	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9e4f8b008b9cde7875029850efa86ade.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9e4f8b008b9cde7875029850efa86ade.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4688
- - 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:3256
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 352
      4⤵
      Program crash
      PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3256 -ip 3256
1⤵
PID:1692

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/2596-13-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/3256-5-0x0000000076F22000-0x0000000076F23000-memory.dmp

Filesize
4KB

Download
memory/3256-14-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3256-11-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3256-7-0x00007FF8A6110000-0x00007FF8A6305000-memory.dmp

Filesize
2.0MB

Download
memory/3544-6-0x00007FF8A61AD000-0x00007FF8A61AE000-memory.dmp

Filesize
4KB

Download
memory/3544-2-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3544-3-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/4688-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4688-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4688-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4688-9-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4688-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download