tinba | 9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77

Analysis

max time kernel
108s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 07:01

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General

Target

9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe
Size

123KB
MD5

f1f1d687152afc365a1492e0286f0190
SHA1

14f89341b5304bd44be082fb813cea1be3a0ba07
SHA256

9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77
SHA512

fc81e309d129d1494b771bd8e687b96f5be8689c12dc46c92507be2f017103db12f457c9235146dde2c462bc52bb05bd155cd7519110deefa19c1744c1c422dd
SSDEEP

3072:D8q8/KGHNOMZXJEEOvd44Ts2ktrAN9j3gli0B0vHs7y5uoRz4:Dr8/KCXEEQd4oErAN9cPEZ5

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\DCC4F6CD = "C:\\Users\\Admin\\AppData\\Roaming\\DCC4F6CD\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	2768	WerFault.exe	82

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	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2768	winver.exe
2768	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2768	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2768	2804	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	82
PID 2804 wrote to memory of 2768	2804	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	82
PID 2804 wrote to memory of 2768	2804	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	82
PID 2804 wrote to memory of 2768	2804	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	82
PID 2768 wrote to memory of 3404	2768	winver.exe	56
PID 2768 wrote to memory of 2836	2768	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2836

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3404
- C:\Users\Admin\AppData\Local\Temp\9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe
  "C:\Users\Admin\AppData\Local\Temp\9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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:2768
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 356
      4⤵
      Program crash
      PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2768 -ip 2768
1⤵
PID:4416

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/2768-10-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/2768-4-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/2768-6-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

Filesize
2.0MB

Download
memory/2768-13-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/2768-14-0x00007FFECCF50000-0x00007FFECD145000-memory.dmp

Filesize
2.0MB

Download
memory/2804-3-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/2804-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2804-8-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/2804-0-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/2836-12-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3404-2-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/3404-1-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/3404-5-0x00007FFECCFED000-0x00007FFECCFEE000-memory.dmp

Filesize
4KB

Download