tinba | c4ab30d151cd8acf0bf7fa242772d0f1d4501d7ec442249ae64763a418ed32a3

Analysis

max time kernel
147s
max time network
142s
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 15:11

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General

Target

JaffaCakes118_6a154aa4d8e766a6983e1b1df1020358.exe
Size

88KB
MD5

6a154aa4d8e766a6983e1b1df1020358
SHA1

a0d5151b753ea0dc039244b59b70c4b8d8fb8a20
SHA256

c4ab30d151cd8acf0bf7fa242772d0f1d4501d7ec442249ae64763a418ed32a3
SHA512

ab27d9ddd4fb12e2aba7768e0e7f157ebf59b845e267246e85294b41646c2dbf057b189b4692fa4ddff9f7ec551bbdf8320afed5928f3a00ed65cfa8f000a46f
SSDEEP

1536:y5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:y5fvp12UFKcD/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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\13F45021 = "C:\\Users\\Admin\\AppData\\Roaming\\13F45021\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1372	4084	WerFault.exe	85

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_6a154aa4d8e766a6983e1b1df1020358.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4084	winver.exe
4084	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4084	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 336 wrote to memory of 4084	336	JaffaCakes118_6a154aa4d8e766a6983e1b1df1020358.exe	85
PID 336 wrote to memory of 4084	336	JaffaCakes118_6a154aa4d8e766a6983e1b1df1020358.exe	85
PID 336 wrote to memory of 4084	336	JaffaCakes118_6a154aa4d8e766a6983e1b1df1020358.exe	85
PID 336 wrote to memory of 4084	336	JaffaCakes118_6a154aa4d8e766a6983e1b1df1020358.exe	85
PID 4084 wrote to memory of 3396	4084	winver.exe	56
PID 4084 wrote to memory of 2668	4084	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2668

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3396
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a154aa4d8e766a6983e1b1df1020358.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a154aa4d8e766a6983e1b1df1020358.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:336
- - 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:4084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 352
      4⤵
      Program crash
      PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4084 -ip 4084
1⤵
PID:2132

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/336-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/336-3-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/336-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/336-8-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/2668-12-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3396-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3396-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3396-5-0x00007FF82D42D000-0x00007FF82D42E000-memory.dmp

Filesize
4KB

Download
memory/4084-4-0x0000000077052000-0x0000000077053000-memory.dmp

Filesize
4KB

Download
memory/4084-6-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

Filesize
2.0MB

Download
memory/4084-10-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/4084-13-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download