tinba | 94edb2dd4de928a03c2c224cf16575dd65bf5da9344cf8e3ed546461fcee1052

Analysis

max time kernel
118s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 04:37

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General

Target

967cb8aef0dc565b6a8d6933270ad710N.exe
Size

45KB
MD5

967cb8aef0dc565b6a8d6933270ad710
SHA1

a01cbc83118379e325647d188ddd23fadcd7c237
SHA256

94edb2dd4de928a03c2c224cf16575dd65bf5da9344cf8e3ed546461fcee1052
SHA512

e21cec1e1223477a5f4398ed9920832748bf8fed3c6d381f195d91a4e7b0b8fab56a230f009fc2499df6afeecd766c5d5deb2dfdd969ddee26ec6422c1ddfd8c
SSDEEP

768:0hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:4sWE9N5dFu53dsniQaB/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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1960-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8E9DFC40 = "C:\\Users\\Admin\\AppData\\Roaming\\8E9DFC40\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2184	4760	WerFault.exe	86

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	967cb8aef0dc565b6a8d6933270ad710N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4760	winver.exe
4760	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4760	winver.exe
3416	Explorer.EXE
3416	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 4760	1960	967cb8aef0dc565b6a8d6933270ad710N.exe	86
PID 1960 wrote to memory of 4760	1960	967cb8aef0dc565b6a8d6933270ad710N.exe	86
PID 1960 wrote to memory of 4760	1960	967cb8aef0dc565b6a8d6933270ad710N.exe	86
PID 1960 wrote to memory of 4760	1960	967cb8aef0dc565b6a8d6933270ad710N.exe	86
PID 4760 wrote to memory of 3416	4760	winver.exe	56
PID 4760 wrote to memory of 2548	4760	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2548

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3416
- C:\Users\Admin\AppData\Local\Temp\967cb8aef0dc565b6a8d6933270ad710N.exe
  "C:\Users\Admin\AppData\Local\Temp\967cb8aef0dc565b6a8d6933270ad710N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1960
- - 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:4760
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 352
      4⤵
      Program crash
      PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4760 -ip 4760
1⤵
PID:432

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/1960-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1960-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/1960-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1960-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/1960-10-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/2548-15-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/3416-2-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/3416-8-0x00007FFECC900000-0x00007FFECC901000-memory.dmp

Filesize
4KB

Download
memory/3416-6-0x00007FFECC76D000-0x00007FFECC76E000-memory.dmp

Filesize
4KB

Download
memory/3416-11-0x00007FFECC8E0000-0x00007FFECC8E1000-memory.dmp

Filesize
4KB

Download
memory/3416-3-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/4760-7-0x00007FFECC6D0000-0x00007FFECC8C5000-memory.dmp

Filesize
2.0MB

Download
memory/4760-5-0x0000000077982000-0x0000000077983000-memory.dmp

Filesize
4KB

Download
memory/4760-13-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/4760-16-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download