tinba | 82194a70d3e43b2ddbc73ac6c5393411b8e6516d3362b33a50a31618a923f974

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 10:36

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General

Target

JaffaCakes118_153d7b0ca073488c5a512f84266328cd.exe
Size

88KB
MD5

153d7b0ca073488c5a512f84266328cd
SHA1

9e543914100bac6dd192abb196c0aeb421eff342
SHA256

82194a70d3e43b2ddbc73ac6c5393411b8e6516d3362b33a50a31618a923f974
SHA512

4c46411d7b3fcf12f491674475d0181120d8ee4023bc0d9f7c729831e9b6d82574e8e5491b34ba547ff99f6d7a80c32eab4701b0368941f0be24ae7e3fd382bc
SSDEEP

1536:25nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:25fvp12UFKcD/6jwqWsN

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FC9F42F8 = "C:\\Users\\Admin\\AppData\\Roaming\\FC9F42F8\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4780	2960	WerFault.exe	83

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_153d7b0ca073488c5a512f84266328cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2960	winver.exe
2960	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2960	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 2960	3852	JaffaCakes118_153d7b0ca073488c5a512f84266328cd.exe	83
PID 3852 wrote to memory of 2960	3852	JaffaCakes118_153d7b0ca073488c5a512f84266328cd.exe	83
PID 3852 wrote to memory of 2960	3852	JaffaCakes118_153d7b0ca073488c5a512f84266328cd.exe	83
PID 3852 wrote to memory of 2960	3852	JaffaCakes118_153d7b0ca073488c5a512f84266328cd.exe	83
PID 2960 wrote to memory of 3436	2960	winver.exe	56
PID 2960 wrote to memory of 2428	2960	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_153d7b0ca073488c5a512f84266328cd.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_153d7b0ca073488c5a512f84266328cd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3852
- - 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:2960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 352
      4⤵
      Program crash
      PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2960 -ip 2960
1⤵
PID:3588

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/2428-12-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/2960-4-0x0000000076F62000-0x0000000076F63000-memory.dmp

Filesize
4KB

Download
memory/2960-6-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

Filesize
2.0MB

Download
memory/2960-10-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2960-13-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FF819E6D000-0x00007FF819E6E000-memory.dmp

Filesize
4KB

Download
memory/3852-0-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/3852-3-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/3852-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3852-8-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download