tinba | 7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9

Analysis

max time kernel
118s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-10-2024 15:26

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General

Target

7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9N.exe
Size

98KB
MD5

3ae543ffc1d6913762948dfe9d12eed0
SHA1

2339103ca1f72b9a6702448a6e347f3129bf2496
SHA256

7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9
SHA512

f9e5d3a01b921105a93d50d5e753ba5ec04f9cae7eeebc069f5aca870af564e4157519e9f6b2d704bbbaed5edec42dc4c9ac9b0e52cc1cc991ec6300fd12d8d2
SSDEEP

768:o+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:o+mFM2HXKZgi9Iksu+XM57ipeq9JF

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6E7D0CFF = "C:\\Users\\Admin\\AppData\\Roaming\\6E7D0CFF\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	4704	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4704	winver.exe
4704	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4704	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 4704	1044	7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9N.exe	85
PID 1044 wrote to memory of 4704	1044	7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9N.exe	85
PID 1044 wrote to memory of 4704	1044	7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9N.exe	85
PID 1044 wrote to memory of 4704	1044	7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9N.exe	85
PID 4704 wrote to memory of 3440	4704	winver.exe	56
PID 4704 wrote to memory of 2620	4704	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3440
- C:\Users\Admin\AppData\Local\Temp\7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9N.exe
  "C:\Users\Admin\AppData\Local\Temp\7430d44a3efa1068b4c7914c14808fcb95cd2f43e05ac29e9b223828fc808ff9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1044
- - 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:4704
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 356
      4⤵
      Program crash
      PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4704 -ip 4704
1⤵
PID:3280

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/1044-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/1044-3-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/1044-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1044-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2620-16-0x00007FF9BBDF0000-0x00007FF9BBDF1000-memory.dmp

Filesize
4KB

Download
memory/2620-13-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3440-8-0x00007FF9BBE00000-0x00007FF9BBE01000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/3440-5-0x00007FF9BBC6D000-0x00007FF9BBC6E000-memory.dmp

Filesize
4KB

Download
memory/3440-1-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/4704-4-0x0000000077B62000-0x0000000077B63000-memory.dmp

Filesize
4KB

Download
memory/4704-11-0x00000000028F0000-0x00000000028F6000-memory.dmp

Filesize
24KB

Download
memory/4704-14-0x00000000028F0000-0x00000000028F6000-memory.dmp

Filesize
24KB

Download
memory/4704-6-0x00007FF9BBBD0000-0x00007FF9BBDC5000-memory.dmp

Filesize
2.0MB

Download