tinba | a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4

Analysis

max time kernel
108s
max time network
96s
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 21:57

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General

Target

a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4N.exe
Size

45KB
MD5

ee8bcd6952219905dc5d2ca6b74080c0
SHA1

326c326bf68d02ce97f486f3c23a75629460d66e
SHA256

a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4
SHA512

59490d62060b37f2d0eb696892f7dff2264088ced27d4862a07800ce25351f7c990d25a04806503c3d729dc97401407e2d85c48730f72b1b5ce14f385ba72269
SSDEEP

768:jhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2t:1sWE9N5dFu53dsniQaB/xZ14n7zIF+qR

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\87FCE8EA = "C:\\Users\\Admin\\AppData\\Roaming\\87FCE8EA\\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/3516-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3776	1684	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	a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1684	winver.exe
1684	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1684	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 1684	3516	a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4N.exe	83
PID 3516 wrote to memory of 1684	3516	a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4N.exe	83
PID 3516 wrote to memory of 1684	3516	a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4N.exe	83
PID 3516 wrote to memory of 1684	3516	a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4N.exe	83
PID 1684 wrote to memory of 3484	1684	winver.exe	56
PID 1684 wrote to memory of 2508	1684	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2508

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4N.exe
  "C:\Users\Admin\AppData\Local\Temp\a450dc5fa4dee8c14d9bf3046ab5e778fafcf9235f6509c5e8b1b9106860d6e4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3516
- - 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:1684
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 352
      4⤵
      Program crash
      PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1684 -ip 1684
1⤵
PID:3892

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/1684-5-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/1684-14-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1684-11-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1684-7-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

Filesize
2.0MB

Download
memory/2508-13-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/3484-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3484-6-0x00007FF9B126D000-0x00007FF9B126E000-memory.dmp

Filesize
4KB

Download
memory/3484-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3516-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3516-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3516-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3516-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3516-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download