tinba | 9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7

Analysis

max time kernel
149s
max time network
149s
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 19:00

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General

Target

9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe
Size

45KB
MD5

3db1fe47a93f92cf21c988da690ed920
SHA1

4ce4da6746d7f2a2a6030b0780bf21fec86fd8f5
SHA256

9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7
SHA512

7bdb836c48a15290ce210316360b09785864bb85c1361e77b6d14e5a3d92163f52067b783b25328653e6c7955a6b12126935982d612c465ed1f86ee860aefbcd
SSDEEP

768:4hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:EsWE9N5dFu53dsniQaB/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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0D81F5EC = "C:\\Users\\Admin\\AppData\\Roaming\\0D81F5EC\\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/4336-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1576	5072	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5072	winver.exe
5072	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3360	Explorer.EXE
Token: SeCreatePagefilePrivilege	3360	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5072	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 5072	4336	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	83
PID 4336 wrote to memory of 5072	4336	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	83
PID 4336 wrote to memory of 5072	4336	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	83
PID 4336 wrote to memory of 5072	4336	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	83
PID 5072 wrote to memory of 3360	5072	winver.exe	55
PID 5072 wrote to memory of 2644	5072	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3360
- C:\Users\Admin\AppData\Local\Temp\9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe
  "C:\Users\Admin\AppData\Local\Temp\9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4336
- - 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:5072
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 356
      4⤵
      Program crash
      PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5072 -ip 5072
1⤵
PID:5000

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/2644-15-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/3360-7-0x00007FFFFD5CD000-0x00007FFFFD5CE000-memory.dmp

Filesize
4KB

Download
memory/3360-3-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/3360-2-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/4336-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4336-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4336-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4336-11-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4336-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/5072-5-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/5072-6-0x0000000077622000-0x0000000077623000-memory.dmp

Filesize
4KB

Download
memory/5072-8-0x00007FFFFD530000-0x00007FFFFD725000-memory.dmp

Filesize
2.0MB

Download
memory/5072-16-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download