tinba | b1cde01c9609b633106755d76d2acff79f59596f734d54909e1954b5695ae0a3

Analysis

max time kernel
146s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 22:52

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General

Target

JaffaCakes118_3f1dae3b7ca7e659f11ccd41f63dcb5d.exe
Size

160KB
MD5

3f1dae3b7ca7e659f11ccd41f63dcb5d
SHA1

cca1da613398e3fde3bb8e8f8d2360113155791b
SHA256

b1cde01c9609b633106755d76d2acff79f59596f734d54909e1954b5695ae0a3
SHA512

6654d37cb083b28fb7ace44bf1d444043561b292a6ba67389ffaa58ac777d49dd7e3dbcf13370778d703ae42b0ea02a77ff180493e79e25efb32044431c2357b
SSDEEP

1536:WEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:9Y+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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9AB348B5 = "C:\\Users\\Admin\\AppData\\Roaming\\9AB348B5\\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/2196-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	3836	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3f1dae3b7ca7e659f11ccd41f63dcb5d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3836	winver.exe
3836	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3836	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 3836	2196	JaffaCakes118_3f1dae3b7ca7e659f11ccd41f63dcb5d.exe	84
PID 2196 wrote to memory of 3836	2196	JaffaCakes118_3f1dae3b7ca7e659f11ccd41f63dcb5d.exe	84
PID 2196 wrote to memory of 3836	2196	JaffaCakes118_3f1dae3b7ca7e659f11ccd41f63dcb5d.exe	84
PID 2196 wrote to memory of 3836	2196	JaffaCakes118_3f1dae3b7ca7e659f11ccd41f63dcb5d.exe	84
PID 3836 wrote to memory of 3508	3836	winver.exe	56
PID 3836 wrote to memory of 2584	3836	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2584

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3508
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f1dae3b7ca7e659f11ccd41f63dcb5d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f1dae3b7ca7e659f11ccd41f63dcb5d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:3836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 352
      4⤵
      Program crash
      PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3836 -ip 3836
1⤵
PID:3132

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/2196-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2196-1-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/2196-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2196-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2196-10-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2584-14-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3508-2-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x00007FFE3424D000-0x00007FFE3424E000-memory.dmp

Filesize
4KB

Download
memory/3508-7-0x00007FFE3424C000-0x00007FFE3424D000-memory.dmp

Filesize
4KB

Download
memory/3508-3-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/3836-5-0x00000000777A2000-0x00000000777A3000-memory.dmp

Filesize
4KB

Download
memory/3836-8-0x00007FFE341B0000-0x00007FFE343A5000-memory.dmp

Filesize
2.0MB

Download
memory/3836-12-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/3836-15-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download