tinba | f8fba41cde41a38c6395170b0188c7e40af1c6ef2175c5c7d7f4481bda3e9d4d

Analysis

max time kernel
146s
max time network
95s
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 17:29

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General

Target

JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe
Size

88KB
MD5

5e19df89a801c4ebf801e06da1d8bfd4
SHA1

ae9804d6a9ccb6c1f878d04e310824955d94efc9
SHA256

f8fba41cde41a38c6395170b0188c7e40af1c6ef2175c5c7d7f4481bda3e9d4d
SHA512

444b36aec69aacfde7c3998ff72c6cae4b8fe5adcfd63142b201105d44bea2259b36d82d194a4cd9867eb47cdee92b19f083ac08dc08aa9d548a600c74361ba7
SSDEEP

1536:35nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:35fvp12UFKcD/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\F00F1C6C = "C:\\Users\\Admin\\AppData\\Roaming\\F00F1C6C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1508	3952	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_5e19df89a801c4ebf801e06da1d8bfd4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3952	winver.exe
3952	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3952	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 3952	1916	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	83
PID 1916 wrote to memory of 3952	1916	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	83
PID 1916 wrote to memory of 3952	1916	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	83
PID 1916 wrote to memory of 3952	1916	JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe	83
PID 3952 wrote to memory of 3416	3952	winver.exe	56
PID 3952 wrote to memory of 2652	3952	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3416
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e19df89a801c4ebf801e06da1d8bfd4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1916
- - 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:3952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 352
      4⤵
      Program crash
      PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3952 -ip 3952
1⤵
PID:720

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/1916-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1916-3-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/1916-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1916-8-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2652-12-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/3416-2-0x0000000002430000-0x0000000002436000-memory.dmp

Filesize
24KB

Download
memory/3416-1-0x0000000002430000-0x0000000002436000-memory.dmp

Filesize
24KB

Download
memory/3416-5-0x00007FFDDC98D000-0x00007FFDDC98E000-memory.dmp

Filesize
4KB

Download
memory/3952-4-0x00000000776C2000-0x00000000776C3000-memory.dmp

Filesize
4KB

Download
memory/3952-6-0x00007FFDDC8F0000-0x00007FFDDCAE5000-memory.dmp

Filesize
2.0MB

Download
memory/3952-10-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/3952-13-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download