tinba | 9892dd374ffbc9f2fa0da4a3db54e9f7f6cfb920de03c8fab02bb8f98c339288

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 21:25

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General

Target

JaffaCakes118_7a2b5df8a36685ed8d0f5eac9773a509.exe
Size

160KB
MD5

7a2b5df8a36685ed8d0f5eac9773a509
SHA1

e4852d1f9eae91296946c1a26d8aad37936431c0
SHA256

9892dd374ffbc9f2fa0da4a3db54e9f7f6cfb920de03c8fab02bb8f98c339288
SHA512

5dd975b4b9b679fd397cccd8f94c7f51816c281e081b371973a29035986a4f8aee1d06f3e2a6a2be96c4b8e4a1db3669c91395bee033c6a3ffea98b1df2007c6
SSDEEP

1536:TEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:QY+4MiIkLZJNAQ9J6v

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\566BD4C5 = "C:\\Users\\Admin\\AppData\\Roaming\\566BD4C5\\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/3656-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3196	740	WerFault.exe	86

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_7a2b5df8a36685ed8d0f5eac9773a509.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
740	winver.exe
740	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
740	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 740	3656	JaffaCakes118_7a2b5df8a36685ed8d0f5eac9773a509.exe	86
PID 3656 wrote to memory of 740	3656	JaffaCakes118_7a2b5df8a36685ed8d0f5eac9773a509.exe	86
PID 3656 wrote to memory of 740	3656	JaffaCakes118_7a2b5df8a36685ed8d0f5eac9773a509.exe	86
PID 3656 wrote to memory of 740	3656	JaffaCakes118_7a2b5df8a36685ed8d0f5eac9773a509.exe	86
PID 740 wrote to memory of 3424	740	winver.exe	56
PID 740 wrote to memory of 2604	740	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2604

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a2b5df8a36685ed8d0f5eac9773a509.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a2b5df8a36685ed8d0f5eac9773a509.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3656
- - 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:740
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 352
      4⤵
      Program crash
      PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 740 -ip 740
1⤵
PID:3936

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/740-6-0x0000000077062000-0x0000000077063000-memory.dmp

Filesize
4KB

Download
memory/740-16-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/740-9-0x00007FF9FAC70000-0x00007FF9FAE65000-memory.dmp

Filesize
2.0MB

Download
memory/740-5-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/2604-17-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2604-15-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3424-2-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/3424-8-0x00007FF9FAD0C000-0x00007FF9FAD0D000-memory.dmp

Filesize
4KB

Download
memory/3424-7-0x00007FF9FAD0D000-0x00007FF9FAD0E000-memory.dmp

Filesize
4KB

Download
memory/3424-3-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/3656-4-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/3656-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3656-11-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/3656-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3656-1-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download