tinba | 270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1

Analysis

max time kernel
116s
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
30-11-2024 03:56

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General

Target

270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe
Size

59KB
MD5

9f0fb6ca12f7178c06cf1cb03e7d3fc0
SHA1

3cbc82557ffc14675c9f0927b46ff2b780bbcf02
SHA256

270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1
SHA512

6302595494e1ac21a3bde50d213b77ca328855f7f3d991ede0c8b3b4541d320e92094d732f14f6f15c020fb294d2b24cf45d605540a84457a71707d61d6a0896
SSDEEP

768:i+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:i+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C09DFC9C = "C:\\Users\\Admin\\AppData\\Roaming\\C09DFC9C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3748	3888	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	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3888	winver.exe
3888	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3888	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 3888	3860	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	83
PID 3860 wrote to memory of 3888	3860	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	83
PID 3860 wrote to memory of 3888	3860	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	83
PID 3860 wrote to memory of 3888	3860	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	83
PID 3888 wrote to memory of 3468	3888	winver.exe	56
PID 3888 wrote to memory of 2780	3888	winver.exe	47

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2780

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3468
- C:\Users\Admin\AppData\Local\Temp\270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe
  "C:\Users\Admin\AppData\Local\Temp\270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3860
- - 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:3888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 352
      4⤵
      Program crash
      PID:3748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3888 -ip 3888
1⤵
PID:4452

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/2780-13-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/3468-2-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/3468-1-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/3468-6-0x00007FF84024D000-0x00007FF84024E000-memory.dmp

Filesize
4KB

Download
memory/3860-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3860-3-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3860-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3860-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3888-5-0x0000000077552000-0x0000000077553000-memory.dmp

Filesize
4KB

Download
memory/3888-4-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/3888-7-0x00007FF8401B0000-0x00007FF8403A5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-14-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download