tinba | 95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85

Analysis

max time kernel
111s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 09:39

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General

Target

95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe
Size

45KB
MD5

0e594ddf79d7d16fb7109b8ec847f764
SHA1

7d50f219f505353c186a868bd217d300b0087ce8
SHA256

95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85
SHA512

8f18480c36cfb81af1fe29aef040889d331772c3bb0fcd46170d890e5b2beca0708ab27ae5bf1bb7f2992073fd064bfafd3c3859ce042a5aa875d965fffd1d52
SSDEEP

768:QhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:ssWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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\7F78E19F = "C:\\Users\\Admin\\AppData\\Roaming\\7F78E19F\\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/4844-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1088	4504	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	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4504	winver.exe
4504	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
4504	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4504	4844	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe	84
PID 4844 wrote to memory of 4504	4844	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe	84
PID 4844 wrote to memory of 4504	4844	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe	84
PID 4844 wrote to memory of 4504	4844	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe	84
PID 4504 wrote to memory of 3388	4504	winver.exe	56
PID 4504 wrote to memory of 2504	4504	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2504

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3388
- C:\Users\Admin\AppData\Local\Temp\95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe
  "C:\Users\Admin\AppData\Local\Temp\95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4844
- - 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:4504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 352
      4⤵
      Program crash
      PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4504 -ip 4504
1⤵
PID:3188

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/2504-13-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3388-2-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/3388-6-0x00007FFDE212D000-0x00007FFDE212E000-memory.dmp

Filesize
4KB

Download
memory/3388-3-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/4504-7-0x00007FFDE2090000-0x00007FFDE2285000-memory.dmp

Filesize
2.0MB

Download
memory/4504-5-0x0000000077962000-0x0000000077963000-memory.dmp

Filesize
4KB

Download
memory/4504-11-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/4504-14-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/4844-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4844-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4844-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/4844-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4844-9-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download