tinba | 185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20

Analysis

max time kernel
139s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 09:04

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General

Target

185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe
Size

45KB
MD5

de22823a871b415d4c1ccf7b23914d3c
SHA1

9d63614971975fc985a05a1e81e536178cdc821a
SHA256

185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20
SHA512

7438a484c19c2cad25e4c3108a4fb64ef76ba1fbf9470053773489516f17fcc1260011bef98dbfe92538c283104ad0a3cbf2d48d970608333bfb908303c3040a
SSDEEP

768:YhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:ksWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6B3FD45D = "C:\\Users\\Admin\\AppData\\Roaming\\6B3FD45D\\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/768-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3588	2080	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	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2080	winver.exe
2080	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 2080	768	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	83
PID 768 wrote to memory of 2080	768	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	83
PID 768 wrote to memory of 2080	768	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	83
PID 768 wrote to memory of 2080	768	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	83
PID 2080 wrote to memory of 3456	2080	winver.exe	56
PID 2080 wrote to memory of 2964	2080	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2964

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe
  "C:\Users\Admin\AppData\Local\Temp\185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:768
- - 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:2080
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 352
      4⤵
      Program crash
      PID:3588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2080 -ip 2080
1⤵
PID:3008

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/768-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/768-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/768-9-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/768-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/768-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2080-5-0x0000000077BB2000-0x0000000077BB3000-memory.dmp

Filesize
4KB

Download
memory/2080-7-0x00007FFA4D1D0000-0x00007FFA4D3C5000-memory.dmp

Filesize
2.0MB

Download
memory/2080-11-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/2080-14-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/2964-13-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2964-15-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFA4D26D000-0x00007FFA4D26E000-memory.dmp

Filesize
4KB

Download
memory/3456-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3456-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download