tinba | 3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd

Analysis

max time kernel
140s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
20-02-2025 22:46

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General

Target

3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe
Size

110KB
MD5

3db89573b8a236edf3151a8984ba96d6
SHA1

511e60ecbfe344b31382d96a1b0433df7e68a4d6
SHA256

3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd
SHA512

d6099313863f517d1f5abeda32357e436f265b2922e3a84458265d57c72c9b9ba6a67bf6f6dd02d8614e1d58dc6996d99126696abd5404e4cc778e467ca784e0
SSDEEP

1536:EiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:EiyvRmDLs/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-1-5-21-1874072718-2205492803-118941907-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E06E17F9 = "C:\\Users\\Admin\\AppData\\Roaming\\E06E17F9\\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/712-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4732	4204	WerFault.exe	87

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4204	winver.exe
4204	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
4204	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 4204	712	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	87
PID 712 wrote to memory of 4204	712	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	87
PID 712 wrote to memory of 4204	712	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	87
PID 712 wrote to memory of 4204	712	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	87
PID 4204 wrote to memory of 3432	4204	winver.exe	56
PID 4204 wrote to memory of 3084	4204	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe
  "C:\Users\Admin\AppData\Local\Temp\3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:712
- - 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:4204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 352
      4⤵
      Program crash
      PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4204 -ip 4204
1⤵
PID:1912

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/712-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/712-1-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/712-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/712-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/712-9-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3084-13-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000001540000-0x0000000001546000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFA2F76D000-0x00007FFA2F76E000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000001540000-0x0000000001546000-memory.dmp

Filesize
24KB

Download
memory/4204-7-0x00007FFA2F6D0000-0x00007FFA2F8C5000-memory.dmp

Filesize
2.0MB

Download
memory/4204-5-0x0000000077772000-0x0000000077773000-memory.dmp

Filesize
4KB

Download
memory/4204-11-0x00000000014E0000-0x00000000014E6000-memory.dmp

Filesize
24KB

Download
memory/4204-14-0x00000000014E0000-0x00000000014E6000-memory.dmp

Filesize
24KB

Download