tinba | aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6

Analysis

max time kernel
116s
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
11-01-2025 01:54

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General

Target

aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe
Size

45KB
MD5

cac92ad821db940b0e742fe2135fe600
SHA1

9c1615105a97a215a9014303f196103d093f3e55
SHA256

aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6
SHA512

86170bb61518285b047a0d5c2b1edc8dee8fc043549a89568863f5f627b1e5a1b87070796c532722de70e7b9ded170b185fbb2735b6b96476d0d89fac77125de
SSDEEP

768:ihP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:OsWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D59A7ADF = "C:\\Users\\Admin\\AppData\\Roaming\\D59A7ADF\\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/3648-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1376	3104	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	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3104	winver.exe
3104	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3348	Explorer.EXE
Token: SeCreatePagefilePrivilege	3348	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3104	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 3104	3648	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	82
PID 3648 wrote to memory of 3104	3648	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	82
PID 3648 wrote to memory of 3104	3648	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	82
PID 3648 wrote to memory of 3104	3648	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	82
PID 3104 wrote to memory of 3348	3104	winver.exe	55
PID 3104 wrote to memory of 2892	3104	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2892

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3348
- C:\Users\Admin\AppData\Local\Temp\aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe
  "C:\Users\Admin\AppData\Local\Temp\aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3648
- - 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:3104
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 352
      4⤵
      Program crash
      PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3104 -ip 3104
1⤵
PID:448

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/2892-13-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3104-5-0x00000000773F2000-0x00000000773F3000-memory.dmp

Filesize
4KB

Download
memory/3104-14-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/3104-11-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/3104-7-0x00007FF87C370000-0x00007FF87C565000-memory.dmp

Filesize
2.0MB

Download
memory/3348-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3348-6-0x00007FF87C40D000-0x00007FF87C40E000-memory.dmp

Filesize
4KB

Download
memory/3348-3-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3648-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/3648-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3648-9-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/3648-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3648-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download