tinba | 42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627

Analysis

max time kernel
139s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2024 22:06

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General

Target

42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe
Size

45KB
MD5

2133a94a372ded121e60f50f4ddbfb4f
SHA1

5523b717d744ab1472de018b63aa72a065a50647
SHA256

42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627
SHA512

7e29fa3f8dc2c50a2cf9b2743f39b40bd3c378f346bdbf3fc910dff35f52fe1e1179f710c2bc99e151e92d991dae5b787703496d2fb010bfdce5dbaffeeabb5f
SSDEEP

768:+hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:SsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\69B69C9B = "C:\\Users\\Admin\\AppData\\Roaming\\69B69C9B\\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/4804-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1952	220	WerFault.exe	84

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	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
220	winver.exe
220	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
220	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 220	4804	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	84
PID 4804 wrote to memory of 220	4804	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	84
PID 4804 wrote to memory of 220	4804	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	84
PID 4804 wrote to memory of 220	4804	42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe	84
PID 220 wrote to memory of 3556	220	winver.exe	56
PID 220 wrote to memory of 2664	220	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe
  "C:\Users\Admin\AppData\Local\Temp\42dfd9e42b1356e8309edb5c0b19178c7f148d3b7fc4509730702e11388a4627.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4804
- - 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:220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 352
      4⤵
      Program crash
      PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 220 -ip 220
1⤵
PID:1380

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/220-5-0x0000000077B52000-0x0000000077B53000-memory.dmp

Filesize
4KB

Download
memory/220-14-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Filesize
24KB

Download
memory/220-11-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Filesize
24KB

Download
memory/220-7-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp

Filesize
2.0MB

Download
memory/2664-13-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3556-3-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3556-6-0x00007FFE1F66D000-0x00007FFE1F66E000-memory.dmp

Filesize
4KB

Download
memory/3556-2-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/4804-4-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/4804-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4804-9-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/4804-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4804-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download