tinba | 092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 04:23

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General

Target

092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363.exe
Size

45KB
MD5

44ebf996dbd3b0830d787f751245ae66
SHA1

b6f5ea2550ff3896c670cbef7dad3e3c67c93af7
SHA256

092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363
SHA512

6934d19f8ae60678fe84461b3e0456fe1a721f2e8aa19aa4592fd7030a39aaad940125d43c8f5424627b03f9f4bb78659461b5e248d8f94433bf7f36c8b98903
SSDEEP

768:bhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:dsWE9N5dFu53dsniQaB/xZ14n7zIF+qZ

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BD3D6977 = "C:\\Users\\Admin\\AppData\\Roaming\\BD3D6977\\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/5088-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1188	3980	WerFault.exe	85

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	092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3980	winver.exe
3980	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3980	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 3980	5088	092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363.exe	85
PID 5088 wrote to memory of 3980	5088	092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363.exe	85
PID 5088 wrote to memory of 3980	5088	092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363.exe	85
PID 5088 wrote to memory of 3980	5088	092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363.exe	85
PID 3980 wrote to memory of 3452	3980	winver.exe	56
PID 3980 wrote to memory of 696	3980	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:696

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363.exe
  "C:\Users\Admin\AppData\Local\Temp\092db77b9e9bb28220fe0461cd10bcfbba1c566adfc8788f416684d3659e6363.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5088
- - 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:3980
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 352
      4⤵
      Program crash
      PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3980 -ip 3980
1⤵
PID:2512

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/696-14-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download
memory/3452-7-0x00007FFF09E2D000-0x00007FFF09E2E000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3980-6-0x0000000077D42000-0x0000000077D43000-memory.dmp

Filesize
4KB

Download
memory/3980-5-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3980-8-0x00007FFF09D90000-0x00007FFF09F85000-memory.dmp

Filesize
2.0MB

Download
memory/3980-15-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/5088-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/5088-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5088-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5088-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/5088-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download