tinba | d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804fe

Analysis

max time kernel
113s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2024, 21:49

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General

Target

d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804feN.exe
Size

45KB
MD5

70dd7d3ae407e3a36a45ec736edce950
SHA1

e2488f2ed44610f1f676c9974f8a86636c120ecc
SHA256

d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804fe
SHA512

2506a1c3efdd28c6c3a05ef53aa4027c96e1fe0bf28a7873102fdb7374377aac8553ae51fa07a166bfe12183d9a60b6b186e4d15d3099e1606a70adc0d4d7b6f
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:/sWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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\BAE6D183 = "C:\\Users\\Admin\\AppData\\Roaming\\BAE6D183\\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/3996-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
740	2992	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	d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804feN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2992	winver.exe
2992	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2992	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 2992	3996	d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804feN.exe	83
PID 3996 wrote to memory of 2992	3996	d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804feN.exe	83
PID 3996 wrote to memory of 2992	3996	d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804feN.exe	83
PID 3996 wrote to memory of 2992	3996	d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804feN.exe	83
PID 2992 wrote to memory of 3532	2992	winver.exe	56
PID 2992 wrote to memory of 2596	2992	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804feN.exe
  "C:\Users\Admin\AppData\Local\Temp\d32ec633ce007a37158508387b11d6f76121dad3c00b2f9e4e98bdca506804feN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3996
- - 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:2992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 352
      4⤵
      Program crash
      PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2992 -ip 2992
1⤵
PID:2456

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/2596-13-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/2992-5-0x0000000077582000-0x0000000077583000-memory.dmp

Filesize
4KB

Download
memory/2992-14-0x00000000027A0000-0x00000000027A6000-memory.dmp

Filesize
24KB

Download
memory/2992-11-0x00000000027A0000-0x00000000027A6000-memory.dmp

Filesize
24KB

Download
memory/2992-7-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/3532-2-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/3532-6-0x00007FFD0B3ED000-0x00007FFD0B3EE000-memory.dmp

Filesize
4KB

Download
memory/3532-3-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/3996-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3996-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3996-9-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3996-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3996-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download