tinba | 270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85

Analysis

max time kernel
102s
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
04-01-2025 10:17

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General

Target

270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85N.exe
Size

45KB
MD5

c180989d057f9ebe768dde16228d4a30
SHA1

f24574ea4921a241b32da2c6ab6cc14c422c67f3
SHA256

270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85
SHA512

69448ab3e54d5ac47003e7be396c478c965feeb548d028beff023552f1e189ec5a64e225cfd66531e6d520bff71e544e1d90cf94298910b864e7a555cda748cb
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:jsWE9N5dFu53dsniQaB/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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0B7EB68C = "C:\\Users\\Admin\\AppData\\Roaming\\0B7EB68C\\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/2560-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4080	2400	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	270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2400	winver.exe
2400	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2400	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2400	2560	270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85N.exe	83
PID 2560 wrote to memory of 2400	2560	270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85N.exe	83
PID 2560 wrote to memory of 2400	2560	270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85N.exe	83
PID 2560 wrote to memory of 2400	2560	270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85N.exe	83
PID 2400 wrote to memory of 3424	2400	winver.exe	56
PID 2400 wrote to memory of 2992	2400	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85N.exe
  "C:\Users\Admin\AppData\Local\Temp\270e224ec0d9e816b9d14007d229751b05eda6e01be2b1420fee6b83e29c0b85N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2560
- - 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:2400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 352
      4⤵
      Program crash
      PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2400 -ip 2400
1⤵
PID:2224

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/2400-5-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/2400-14-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/2400-11-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/2400-7-0x00007FFD73DD0000-0x00007FFD73FC5000-memory.dmp

Filesize
2.0MB

Download
memory/2560-9-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2560-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2560-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2560-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2560-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2992-13-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFD73E6D000-0x00007FFD73E6E000-memory.dmp

Filesize
4KB

Download
memory/3424-3-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3424-2-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download