tinba | c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d

Analysis

max time kernel
107s
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
07-01-2025 23:25

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General

Target

c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe
Size

45KB
MD5

6db88637f981dab343fe6647552fd7fb
SHA1

740d1972d3feb39332a4eac7314f6c88ef9edc85
SHA256

c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d
SHA512

4c11525c290d40b123fae17912939600391259616072728f6a8bd5f23ac7496a97cd1667f3c2aec1c9611ca7d58ccab6a14ad4ca46a6e092f77f44e2dd49f6fa
SSDEEP

768:LhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:tsWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E3B9F357 = "C:\\Users\\Admin\\AppData\\Roaming\\E3B9F357\\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/3096-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2172	4376	WerFault.exe	85

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	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4376	winver.exe
4376	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4376	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 4376	3096	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	85
PID 3096 wrote to memory of 4376	3096	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	85
PID 3096 wrote to memory of 4376	3096	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	85
PID 3096 wrote to memory of 4376	3096	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	85
PID 4376 wrote to memory of 3500	4376	winver.exe	56
PID 4376 wrote to memory of 2788	4376	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2788

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe
  "C:\Users\Admin\AppData\Local\Temp\c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3096
- - 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:4376
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 352
      4⤵
      Program crash
      PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4376 -ip 4376
1⤵
PID:3952

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/2788-13-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3096-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3096-1-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/3096-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3096-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3096-9-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3500-3-0x00000000032F0000-0x00000000032F6000-memory.dmp

Filesize
24KB

Download
memory/3500-2-0x00000000032F0000-0x00000000032F6000-memory.dmp

Filesize
24KB

Download
memory/3500-6-0x00007FFBCB38D000-0x00007FFBCB38E000-memory.dmp

Filesize
4KB

Download
memory/4376-7-0x00007FFBCB2F0000-0x00007FFBCB4E5000-memory.dmp

Filesize
2.0MB

Download
memory/4376-5-0x00000000778B2000-0x00000000778B3000-memory.dmp

Filesize
4KB

Download
memory/4376-11-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/4376-14-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download