tinba | 8dc4087b1dbffa1b4e30cde354d912d15f1febbfd04596315fd1dd79ce56b804

Analysis

max time kernel
146s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 09:52

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General

Target

JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe
Size

36KB
MD5

fde9294eeae1d6bf5f513c0af243a768
SHA1

dbfc624b07d1e5b092a423a62d64e388d48acb4c
SHA256

8dc4087b1dbffa1b4e30cde354d912d15f1febbfd04596315fd1dd79ce56b804
SHA512

11760679735551b19809605448446ac9e685465de8f558bd0c1b763f93221ea1ec126c152af7cea7e291230c1a4262f5a081373553675f0028ed0f502f4ac096
SSDEEP

768:fp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:fpYoX58z1uirL98xMWnT0OQ9J

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0ECEDC84 = "C:\\Users\\Admin\\AppData\\Roaming\\0ECEDC84\\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/3024-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4596	2496	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_fde9294eeae1d6bf5f513c0af243a768.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2496	winver.exe
2496	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2496	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2496	3024	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	84
PID 3024 wrote to memory of 2496	3024	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	84
PID 3024 wrote to memory of 2496	3024	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	84
PID 3024 wrote to memory of 2496	3024	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	84
PID 2496 wrote to memory of 3484	2496	winver.exe	56
PID 2496 wrote to memory of 2532	2496	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2532

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - 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:2496
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 356
      4⤵
      Program crash
      PID:4596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2496 -ip 2496
1⤵
PID:4884

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/2496-5-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/2496-14-0x0000000000A70000-0x0000000000A76000-memory.dmp

Filesize
24KB

Download
memory/2496-11-0x0000000000A70000-0x0000000000A76000-memory.dmp

Filesize
24KB

Download
memory/2496-7-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-13-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/3024-9-0x00000000020F0000-0x0000000002AF0000-memory.dmp

Filesize
10.0MB

Download
memory/3024-4-0x00000000020F0000-0x0000000002AF0000-memory.dmp

Filesize
10.0MB

Download
memory/3024-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3024-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/3484-6-0x00007FFE77D6D000-0x00007FFE77D6E000-memory.dmp

Filesize
4KB

Download
memory/3484-3-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/3484-2-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download