tinba | 58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2ab

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 22:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe
Size

45KB
MD5

ba22f908c26d2ab0ad0ba475d9c771f0
SHA1

73225d3b46717d8d0ca130f0213623303a27a0d8
SHA256

58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2ab
SHA512

d560d44a89305b931e58b2fb29a9a69202e4dbd7e499c21859f823a363c2f8b3c8b95ef30ffffa8ba11ca190e2fb2324be5c95111560111fa3f517b33cac8b11
SSDEEP

768:xhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:LsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4228FAD3 = "C:\\Users\\Admin\\AppData\\Roaming\\4228FAD3\\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/208-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3964	2900	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	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2900	winver.exe
2900	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 2900	208	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	83
PID 208 wrote to memory of 2900	208	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	83
PID 208 wrote to memory of 2900	208	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	83
PID 208 wrote to memory of 2900	208	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	83
PID 2900 wrote to memory of 3544	2900	winver.exe	56
PID 2900 wrote to memory of 2552	2900	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe
  "C:\Users\Admin\AppData\Local\Temp\58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:208
- - 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:2900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 356
      4⤵
      Program crash
      PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2900 -ip 2900
1⤵
PID:4464

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

Loading Replay Monitor...

Downloads

memory/208-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/208-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/208-9-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/208-4-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/208-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2552-13-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2900-5-0x0000000077762000-0x0000000077763000-memory.dmp

Filesize
4KB

Download
memory/2900-7-0x00007FFDF8AF0000-0x00007FFDF8CE5000-memory.dmp

Filesize
2.0MB

Download
memory/2900-11-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/2900-14-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/3544-6-0x00007FFDF8B8D000-0x00007FFDF8B8E000-memory.dmp

Filesize
4KB

Download
memory/3544-3-0x0000000000870000-0x0000000000876000-memory.dmp

Filesize
24KB

Download
memory/3544-2-0x0000000000870000-0x0000000000876000-memory.dmp

Filesize
24KB

Download