tinba | 366e4d1ba7ae71312c8949ce02fd6c4c62f1994c21e50aeeae13baba4a0ebc6c

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 17:46

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General

Target

JaffaCakes118_5e999c6e5836ccfb91797914bb56e28d.exe
Size

88KB
MD5

5e999c6e5836ccfb91797914bb56e28d
SHA1

7b33c6856a96106e93d3c3daf296c1c4196fb373
SHA256

366e4d1ba7ae71312c8949ce02fd6c4c62f1994c21e50aeeae13baba4a0ebc6c
SHA512

38478a89c81b20f7219c3977565dec079d211a78621eae273526f9c5f4f9e5084d8853ea828a7ce16b759ca636b537f8beaf537eb0a0c5bfcc89359d297392e3
SSDEEP

1536:d5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:d5fvp12UFKcD/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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A52099A2 = "C:\\Users\\Admin\\AppData\\Roaming\\A52099A2\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1748	4420	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_5e999c6e5836ccfb91797914bb56e28d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4420	winver.exe
4420	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4420	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 4420	4600	JaffaCakes118_5e999c6e5836ccfb91797914bb56e28d.exe	84
PID 4600 wrote to memory of 4420	4600	JaffaCakes118_5e999c6e5836ccfb91797914bb56e28d.exe	84
PID 4600 wrote to memory of 4420	4600	JaffaCakes118_5e999c6e5836ccfb91797914bb56e28d.exe	84
PID 4600 wrote to memory of 4420	4600	JaffaCakes118_5e999c6e5836ccfb91797914bb56e28d.exe	84
PID 4420 wrote to memory of 2836	4420	winver.exe	54
PID 4420 wrote to memory of 2528	4420	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2528

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2836
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e999c6e5836ccfb91797914bb56e28d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e999c6e5836ccfb91797914bb56e28d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4600
- - 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:4420
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 352
      4⤵
      Program crash
      PID:1748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4420 -ip 4420
1⤵
PID:4000

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/2528-12-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2836-2-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/2836-1-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/2836-5-0x00007FFA9F4AD000-0x00007FFA9F4AE000-memory.dmp

Filesize
4KB

Download
memory/4420-4-0x00000000776E2000-0x00000000776E3000-memory.dmp

Filesize
4KB

Download
memory/4420-6-0x00007FFA9F410000-0x00007FFA9F605000-memory.dmp

Filesize
2.0MB

Download
memory/4420-10-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/4420-13-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/4600-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4600-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/4600-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4600-8-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download