tinba | 97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42

Analysis

max time kernel
111s
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
11/12/2024, 01:31

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General

Target

97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe
Size

88KB
MD5

4eeb7a35b70cc6734537321d78af5d0b
SHA1

7f2d80d466e964946bfef8eee2ed6053c30ecbc7
SHA256

97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42
SHA512

54b2d89214c35f38acdadbbd2e3776bdc83b4835dafecde160975c4a3778ab5538899539596f1dcb42b2346399f7625ae1fb5c8d5c6990c7c39bd6b309c3392d
SSDEEP

1536:15nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:15fvp12UFKcD/6jwqWsNI

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3BD54E4D = "C:\\Users\\Admin\\AppData\\Roaming\\3BD54E4D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2320	224	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	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
224	winver.exe
224	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
224	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 224	4468	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	83
PID 4468 wrote to memory of 224	4468	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	83
PID 4468 wrote to memory of 224	4468	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	83
PID 4468 wrote to memory of 224	4468	97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe	83
PID 224 wrote to memory of 3432	224	winver.exe	56
PID 224 wrote to memory of 2920	224	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\97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe
  "C:\Users\Admin\AppData\Local\Temp\97c7f1ca02974d9e22833a006d72dcdb8d3f4d1e332776d2b95d1ff6f3a16f42.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4468
- - 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:224
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 352
      4⤵
      Program crash
      PID:2320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 224 -ip 224
1⤵
PID:404

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/224-11-0x0000000001480000-0x0000000001486000-memory.dmp

Filesize
24KB

Download
memory/224-14-0x0000000001480000-0x0000000001486000-memory.dmp

Filesize
24KB

Download
memory/224-4-0x00000000777A2000-0x00000000777A3000-memory.dmp

Filesize
4KB

Download
memory/224-6-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

Filesize
2.0MB

Download
memory/2920-13-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/3432-1-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3432-5-0x00007FFDD39AD000-0x00007FFDD39AE000-memory.dmp

Filesize
4KB

Download
memory/3432-7-0x00007FFDD39AC000-0x00007FFDD39AD000-memory.dmp

Filesize
4KB

Download
memory/4468-3-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/4468-9-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/4468-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4468-0-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download