tinba | 38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 06:00

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General

Target

38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe
Size

88KB
MD5

540dfebb0c5bbbda707ea9d8bec40b16
SHA1

565dbec351674b0b0d89c1de06d47051597ebed9
SHA256

38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d
SHA512

bb7acf917c5f56bae7250dca6b3831c1cd7537a268a051883c81c9ca08ed660fcf548b22f3fef6d2eb6cf925f8924d4da92b2b7578ef2263d7d3623ac5eeda16
SSDEEP

1536:L5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:L5fvp12UFKcD/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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EBEEBC33 = "C:\\Users\\Admin\\AppData\\Roaming\\EBEEBC33\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3700	2848	WerFault.exe	85

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	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2848	winver.exe
2848	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2848	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2848	2520	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	85
PID 2520 wrote to memory of 2848	2520	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	85
PID 2520 wrote to memory of 2848	2520	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	85
PID 2520 wrote to memory of 2848	2520	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	85
PID 2848 wrote to memory of 3500	2848	winver.exe	56
PID 2848 wrote to memory of 2788	2848	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2788

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe
  "C:\Users\Admin\AppData\Local\Temp\38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2520
- - 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:2848
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 352
      4⤵
      Program crash
      PID:3700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2848 -ip 2848
1⤵
PID:516

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

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Downloads

memory/2520-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2520-3-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/2520-8-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/2520-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2788-12-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/2848-4-0x00000000778B2000-0x00000000778B3000-memory.dmp

Filesize
4KB

Download
memory/2848-6-0x00007FFBCB2F0000-0x00007FFBCB4E5000-memory.dmp

Filesize
2.0MB

Download
memory/2848-10-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2848-13-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3500-2-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3500-1-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3500-5-0x00007FFBCB38D000-0x00007FFBCB38E000-memory.dmp

Filesize
4KB

Download