tinba | c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbc

Analysis

max time kernel
105s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 05:39

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General

Target

c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbcN.exe
Size

110KB
MD5

12c1d61d3262d1d606c5c023958b93c0
SHA1

efac208c95a66d13e17a6d66576dd9ffdc6813d2
SHA256

c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbc
SHA512

00fe41167b11c37f2191a755f5ef72e06fccdde8494f3e63b991e588358b1572fcd8767a5df9dd2e4e39e35829420a62a2977423efb0a98304bd705f1a9ec332
SSDEEP

1536:YiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:YiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\69A3C028 = "C:\\Users\\Admin\\AppData\\Roaming\\69A3C028\\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/1488-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3492	2692	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	c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2692	winver.exe
2692	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2692	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2692	1488	c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbcN.exe	84
PID 1488 wrote to memory of 2692	1488	c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbcN.exe	84
PID 1488 wrote to memory of 2692	1488	c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbcN.exe	84
PID 1488 wrote to memory of 2692	1488	c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbcN.exe	84
PID 2692 wrote to memory of 3432	2692	winver.exe	56
PID 2692 wrote to memory of 2652	2692	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbcN.exe
  "C:\Users\Admin\AppData\Local\Temp\c5c46a750bb5e690030ffd47ba640a771493498736e731bcbe0eb0a6d646edbcN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1488
- - 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:2692
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 352
      4⤵
      Program crash
      PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2692 -ip 2692
1⤵
PID:4100

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/1488-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1488-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1488-10-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/1488-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/1488-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2652-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2692-6-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/2692-5-0x0000000000FC0000-0x0000000000FC6000-memory.dmp

Filesize
24KB

Download
memory/2692-8-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

Filesize
2.0MB

Download
memory/2692-15-0x0000000000FC0000-0x0000000000FC6000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFA1DA0D000-0x00007FFA1DA0E000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download