tinba | f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47

Analysis

max time kernel
148s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 10:35

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General

Target

f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47.exe
Size

110KB
MD5

f14113cdb12c10485a6436e203b6011e
SHA1

abf83d6a20a56addd830688f9aabe1c5c001b977
SHA256

f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47
SHA512

3dc3cb3081cdd2d18d2325fd84c073be976038ec3aa199692da51cb9bc816dca8b1ced00afd5204071b2a13b473dfb2f45891fb18f800b784dcbe5d079354980
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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0509F2D6 = "C:\\Users\\Admin\\AppData\\Roaming\\0509F2D6\\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/4296-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3456	2628	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	f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2628	winver.exe
2628	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2628	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 2628	4296	f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47.exe	84
PID 4296 wrote to memory of 2628	4296	f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47.exe	84
PID 4296 wrote to memory of 2628	4296	f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47.exe	84
PID 4296 wrote to memory of 2628	4296	f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47.exe	84
PID 2628 wrote to memory of 3388	2628	winver.exe	56
PID 2628 wrote to memory of 2564	2628	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2564

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3388
- C:\Users\Admin\AppData\Local\Temp\f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47.exe
  "C:\Users\Admin\AppData\Local\Temp\f10bcf92672f6ae1e6049b2017cffe63e4ef9b89cfa5fd85f855c1124e674e47.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4296
- - 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:2628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 352
      4⤵
      Program crash
      PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2628 -ip 2628
1⤵
PID:2160

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/2564-13-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2628-5-0x00000000776A2000-0x00000000776A3000-memory.dmp

Filesize
4KB

Download
memory/2628-14-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/2628-11-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/2628-7-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/3388-3-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3388-6-0x00007FFCDB5AD000-0x00007FFCDB5AE000-memory.dmp

Filesize
4KB

Download
memory/3388-2-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/4296-4-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/4296-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4296-9-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/4296-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4296-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download