tinba | 00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24

Analysis

max time kernel
118s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2024, 20:35

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General

Target

00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe
Size

106KB
MD5

86bc4d18d82f91b6ac386fb18f8f1350
SHA1

94889e80ec2d91cff74c4a9bf3f534e7ba0cd356
SHA256

00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24
SHA512

ecb41240906cbc3417b57af61841985b59131c10a126f60598dacbac567377bd4e5c9af044c41c68a87f4ff4bb53f880d9a62565cb3bc13334f098bfe0488c04
SSDEEP

768:/+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:/+mFM2QXtZgi9Iksu+XM57ipeq9JA

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6F0FAEC7 = "C:\\Users\\Admin\\AppData\\Roaming\\6F0FAEC7\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4572	3852	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	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3852	winver.exe
3852	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3852	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 3852	1976	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	84
PID 1976 wrote to memory of 3852	1976	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	84
PID 1976 wrote to memory of 3852	1976	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	84
PID 1976 wrote to memory of 3852	1976	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	84
PID 3852 wrote to memory of 3436	3852	winver.exe	56
PID 3852 wrote to memory of 2996	3852	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2996

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe
  "C:\Users\Admin\AppData\Local\Temp\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1976
- - 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:3852
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 352
      4⤵
      Program crash
      PID:4572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3852 -ip 3852
1⤵
PID:1440

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/1976-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1976-1-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/1976-8-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2996-12-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FF9B3B0D000-0x00007FF9B3B0E000-memory.dmp

Filesize
4KB

Download
memory/3436-6-0x00007FF9B3CA0000-0x00007FF9B3CA1000-memory.dmp

Filesize
4KB

Download
memory/3852-4-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/3852-10-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3852-13-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download