tinba | 22adede0b2c50eba138a5b0f57c22318e9fae3c5dbd91d5dfdfc3522d851c3d4

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 03:45

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General

Target
5da1db6dc27f7f802cd2897a7ca1ea40.exe
Size 49KB
Sample231222-ebk6dsddh9
SHA256 22adede0b2c50eba138a5b0f57c22318e9fae3c5dbd91d5dfdfc3522d851c3d4
MD5 5da1db6dc27f7f802cd2897a7ca1ea40
SHA1 3c820e020761a4377b2276e04af413edce7d51ac
SHA512 44aae4ea27d033290bbb82b24b97b7a70624a73ff21467cd607af6f32f762f49109be7c672008f1dbc4a4fd14ab0dff809779f746cedf0f0d9bf9af87b3ab759
SSDEEP 768:FCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9Jw:dbw/6plBTFBYNNR9Jw
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8D6BBD1C = "C:\\Users\\Admin\\AppData\\Roaming\\8D6BBD1C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5020	1636	WerFault.exe	51

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1636	winver.exe
1636	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1636	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5176 wrote to memory of 1636	5176	5da1db6dc27f7f802cd2897a7ca1ea40.exe	51
PID 5176 wrote to memory of 1636	5176	5da1db6dc27f7f802cd2897a7ca1ea40.exe	51
PID 5176 wrote to memory of 1636	5176	5da1db6dc27f7f802cd2897a7ca1ea40.exe	51
PID 5176 wrote to memory of 1636	5176	5da1db6dc27f7f802cd2897a7ca1ea40.exe	51
PID 1636 wrote to memory of 3420	1636	winver.exe	44
PID 1636 wrote to memory of 2868	1636	winver.exe	55

C:\Users\Admin\AppData\Local\Temp\5da1db6dc27f7f802cd2897a7ca1ea40.exe
"C:\Users\Admin\AppData\Local\Temp\5da1db6dc27f7f802cd2897a7ca1ea40.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5176
- C:\Windows\SysWOW64\winver.exe
  winver
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 352
    3⤵
    - Program crash
    PID:5020

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1636 -ip 1636
1⤵
PID:4424

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1636-4-0x0000000077452000-0x0000000077453000-memory.dmp

Download

memory/1636-6-0x0000000000A90000-0x0000000000A96000-memory.dmp

Download

memory/1636-13-0x0000000000A90000-0x0000000000A96000-memory.dmp

Download

memory/2868-12-0x0000000000720000-0x0000000000726000-memory.dmp

Download

memory/3420-1-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

Download

memory/3420-5-0x00007FFE9C16D000-0x00007FFE9C16E000-memory.dmp

Download

memory/3420-2-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

Download

memory/5176-0-0x0000000002160000-0x0000000002161000-memory.dmp

Download

memory/5176-3-0x0000000002330000-0x0000000002D30000-memory.dmp

Download

memory/5176-7-0x0000000000400000-0x0000000000411000-memory.dmp

Download

memory/5176-8-0x0000000002330000-0x0000000002D30000-memory.dmp

Download