tinba | bb57cae4af477abbadfbab5f445d89308b1527d741ce439dcad40fce2b56c9f7

Analysis

max time kernel
149s
max time network
151s
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 15:31

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General

Target

JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe
Size

34KB
MD5

252b2cc4015380b95a9c56472ac66497
SHA1

1384570904352a4663f1c13934b2ebf9dd7fe047
SHA256

bb57cae4af477abbadfbab5f445d89308b1527d741ce439dcad40fce2b56c9f7
SHA512

bec180c5aabed61810cd50d32191916decf811c6174bc5b2278a7f36ead58240f2391e43ef02d17a353dd545fe721296ee8203573dbab554698e6dc5df0f2e7b
SSDEEP

768:Hp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:HpYoX58z1uirL98xMWnT0OQ9J2

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D713F29C = "C:\\Users\\Admin\\AppData\\Roaming\\D713F29C\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3124-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
696	3260	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_252b2cc4015380b95a9c56472ac66497.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3260	winver.exe
3260	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3260	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 3260	3124	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	83
PID 3124 wrote to memory of 3260	3124	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	83
PID 3124 wrote to memory of 3260	3124	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	83
PID 3124 wrote to memory of 3260	3124	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	83
PID 3260 wrote to memory of 3420	3260	winver.exe	56
PID 3260 wrote to memory of 2500	3260	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3124
- - 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:3260
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 352
      4⤵
      Program crash
      PID:696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3260 -ip 3260
1⤵
PID:2288

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/2500-16-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/2500-14-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/3124-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3124-1-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/3124-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3124-10-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3124-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3260-5-0x00000000779A2000-0x00000000779A3000-memory.dmp

Filesize
4KB

Download
memory/3260-7-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3260-12-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/3260-15-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/3420-6-0x00007FF83834D000-0x00007FF83834E000-memory.dmp

Filesize
4KB

Download
memory/3420-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3420-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download