tinba | c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddc

Analysis

max time kernel
105s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 19:45

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General

Target

c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe
Size

110KB
MD5

da6228ead68b98a0ac51191cbf8fa880
SHA1

5fb48d1d45051f2febbbdff11c684f6f0b6ccf79
SHA256

c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddc
SHA512

5307481dfb6d39e5aee6e4bc3628fd064cf3df7f6705a7303afde0128d2df741e7f5d3784c820f38903cd3acac8cc6428b836669d4d7fc59e6e3b31e26918e09
SSDEEP

1536:OiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:OiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\657D046B = "C:\\Users\\Admin\\AppData\\Roaming\\657D046B\\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/3040-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4936	2136	WerFault.exe	84

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	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2136	winver.exe
2136	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2136	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2136	3040	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	84
PID 3040 wrote to memory of 2136	3040	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	84
PID 3040 wrote to memory of 2136	3040	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	84
PID 3040 wrote to memory of 2136	3040	c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe	84
PID 2136 wrote to memory of 3544	2136	winver.exe	56
PID 2136 wrote to memory of 2588	2136	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe
  "C:\Users\Admin\AppData\Local\Temp\c596fe2d32cf92aad228a92c1d99f808e5bf4309622f8f659f50fcc982bbaddcN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - 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:2136
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 352
      4⤵
      Program crash
      PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2136 -ip 2136
1⤵
PID:952

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/2136-11-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/2136-14-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/2136-7-0x00007FFC36990000-0x00007FFC36B85000-memory.dmp

Filesize
2.0MB

Download
memory/2136-5-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

Filesize
4KB

Download
memory/2588-13-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3040-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3040-4-0x0000000002050000-0x0000000002A50000-memory.dmp

Filesize
10.0MB

Download
memory/3040-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/3040-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3040-9-0x0000000002050000-0x0000000002A50000-memory.dmp

Filesize
10.0MB

Download
memory/3544-6-0x00007FFC36A2D000-0x00007FFC36A2E000-memory.dmp

Filesize
4KB

Download
memory/3544-2-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/3544-3-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download