tinba | f6fe78c6e454bad127cd75fe8f7455f6d2f93b8d821b4c749b4d4c94d1b4178d

Analysis

max time kernel
149s
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 08:28

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General

Target

JaffaCakes118_0e12340c62461d63d40b7a2a458587c1.exe
Size

88KB
MD5

0e12340c62461d63d40b7a2a458587c1
SHA1

3a3e5d3657990a9199d825be31ab2f6c7ca7cbfc
SHA256

f6fe78c6e454bad127cd75fe8f7455f6d2f93b8d821b4c749b4d4c94d1b4178d
SHA512

b0d258aba59143b245454fb36acb8e5d58f086467a51bdf2e11e32dfede4d5f64b58927dfe107aaa2a4469de8feecc2e2068bedcc1c6d9dd6ec6485523df5289
SSDEEP

1536:f5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:f5fvp12UFKcD/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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\46561056 = "C:\\Users\\Admin\\AppData\\Roaming\\46561056\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	4776	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_0e12340c62461d63d40b7a2a458587c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4776	winver.exe
4776	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4776	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 4776	4408	JaffaCakes118_0e12340c62461d63d40b7a2a458587c1.exe	84
PID 4408 wrote to memory of 4776	4408	JaffaCakes118_0e12340c62461d63d40b7a2a458587c1.exe	84
PID 4408 wrote to memory of 4776	4408	JaffaCakes118_0e12340c62461d63d40b7a2a458587c1.exe	84
PID 4408 wrote to memory of 4776	4408	JaffaCakes118_0e12340c62461d63d40b7a2a458587c1.exe	84
PID 4776 wrote to memory of 3444	4776	winver.exe	56
PID 4776 wrote to memory of 2848	4776	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2848

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e12340c62461d63d40b7a2a458587c1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e12340c62461d63d40b7a2a458587c1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4408
- - 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:4776
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 352
      4⤵
      Program crash
      PID:2808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4776 -ip 4776
1⤵
PID:3616

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/2848-12-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3444-1-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3444-5-0x00007FFF476CD000-0x00007FFF476CE000-memory.dmp

Filesize
4KB

Download
memory/4408-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/4408-3-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4408-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4408-8-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4776-4-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/4776-6-0x00007FFF47630000-0x00007FFF47825000-memory.dmp

Filesize
2.0MB

Download
memory/4776-10-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/4776-13-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download