tinba | 8f18579f0105ed8a536d420890a2a021645d1701c612bdf751e97c18d3d8b35e

Analysis

max time kernel
144s
max time network
149s
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 18:17

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General

Target

JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe
Size

89KB
MD5

2e13031ac8a85e98906a128c1940ad60
SHA1

a8de1a07503fd9111fe44c7025d8f6b31841345a
SHA256

8f18579f0105ed8a536d420890a2a021645d1701c612bdf751e97c18d3d8b35e
SHA512

fb5b11a82aba95d049dcbe95daeefe79011dae40dd088d012175fcc706ba3c55d2fabf476143f5f6f4d6bb248b1898ca5d091ca51057df38eafc45aca7fb4367
SSDEEP

1536:Ur+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:W+4MJIkLZJNAQ9Jo9e

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2BCD3E79 = "C:\\Users\\Admin\\AppData\\Roaming\\2BCD3E79\\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/2888-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4888	3264	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_2e13031ac8a85e98906a128c1940ad60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3264	winver.exe
3264	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3264	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 3264	2888	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	83
PID 2888 wrote to memory of 3264	2888	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	83
PID 2888 wrote to memory of 3264	2888	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	83
PID 2888 wrote to memory of 3264	2888	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	83
PID 3264 wrote to memory of 3432	3264	winver.exe	56
PID 3264 wrote to memory of 2920	3264	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2920

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:3264
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 352
      4⤵
      Program crash
      PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 3264 -ip 3264
1⤵
PID:4924

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/2888-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2888-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2888-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/2888-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2888-10-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/2920-14-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/3264-12-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/3264-15-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/3264-6-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

Filesize
72KB

Download
memory/3264-5-0x00000000777A2000-0x00000000777A3000-memory.dmp

Filesize
4KB

Download
memory/3264-8-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

Filesize
2.0MB

Download
memory/3432-3-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFDD39AD000-0x00007FFDD39AE000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download