tinba | b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216

Analysis

max time kernel
105s
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
12-01-2025 13:54

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General

Target

b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216N.exe
Size

45KB
MD5

528b155931f385efb203c4849753b450
SHA1

8bfe06e54d13af89f050fadd5615f6e6a447f778
SHA256

b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216
SHA512

9606cb3ef866ed5fad9a2568cf347471afdb368e85123d51ccd7d4839f1bccfd2c50758608e4685257c1062dcafca504ee4ab8682716750d38d9c8853cb8494c
SSDEEP

768:chP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:QsWE9N5dFu53dsniQaB/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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5FBF62B1 = "C:\\Users\\Admin\\AppData\\Roaming\\5FBF62B1\\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/1644-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3756	3452	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	b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3452	winver.exe
3452	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3452	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 3452	1644	b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216N.exe	83
PID 1644 wrote to memory of 3452	1644	b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216N.exe	83
PID 1644 wrote to memory of 3452	1644	b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216N.exe	83
PID 1644 wrote to memory of 3452	1644	b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216N.exe	83
PID 3452 wrote to memory of 3392	3452	winver.exe	56
PID 3452 wrote to memory of 2712	3452	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2712

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3392
- C:\Users\Admin\AppData\Local\Temp\b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216N.exe
  "C:\Users\Admin\AppData\Local\Temp\b24af9f853706f88c01938d45554fb5d3c05edfb564c0e1f9912ca9b71db7216N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1644
- - 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:3452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 352
      4⤵
      Program crash
      PID:3756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3452 -ip 3452
1⤵
PID:4348

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/1644-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1644-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1644-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1644-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/1644-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2712-14-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3392-3-0x00000000012C0000-0x00000000012C6000-memory.dmp

Filesize
24KB

Download
memory/3392-7-0x00007FFF07FAD000-0x00007FFF07FAE000-memory.dmp

Filesize
4KB

Download
memory/3392-2-0x00000000012C0000-0x00000000012C6000-memory.dmp

Filesize
24KB

Download
memory/3452-8-0x00007FFF07F10000-0x00007FFF08105000-memory.dmp

Filesize
2.0MB

Download
memory/3452-5-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00000000772D2000-0x00000000772D3000-memory.dmp

Filesize
4KB

Download
memory/3452-15-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download