tinba | 95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85

Analysis

max time kernel
147s
max time network
140s
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 09:46

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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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5339161E = "C:\\Users\\Admin\\AppData\\Roaming\\5339161E\\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/4028-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2232	3928	WerFault.exe	83

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
3928	winver.exe
3928	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
3928	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 3928	4028	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe	83
PID 4028 wrote to memory of 3928	4028	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe	83
PID 4028 wrote to memory of 3928	4028	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe	83
PID 4028 wrote to memory of 3928	4028	95c9551dc14d40fbf3935862ffa2ba3702e6a9042609e8fecf012ce93c0ead85.exe	83
PID 3928 wrote to memory of 3432	3928	winver.exe	56
PID 3928 wrote to memory of 3064	3928	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3064

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- 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:4028
- - 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:3928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 352
      4⤵
      Program crash
      PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3928 -ip 3928
1⤵
PID:2588

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/3064-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFB4EA0D000-0x00007FFB4EA0E000-memory.dmp

Filesize
4KB

Download
memory/3432-3-0x00000000008B0000-0x00000000008B6000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x00000000008B0000-0x00000000008B6000-memory.dmp

Filesize
24KB

Download
memory/3928-6-0x0000000077052000-0x0000000077053000-memory.dmp

Filesize
4KB

Download
memory/3928-5-0x00000000012E0000-0x00000000012E6000-memory.dmp

Filesize
24KB

Download
memory/3928-8-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

Filesize
2.0MB

Download
memory/3928-16-0x00000000012E0000-0x00000000012E6000-memory.dmp

Filesize
24KB

Download
memory/4028-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4028-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4028-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4028-11-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4028-1-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download