tinba | 97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777

Analysis

max time kernel
118s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 23:11

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General

Target

97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777.exe
Size

59KB
MD5

e2cd732cda24585fec39837fbbcb8b5a
SHA1

34920c0d176b875d14b77aa477d7905a4a430e0a
SHA256

97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777
SHA512

8dcf56216245f5f5e9fb003e4175fc12a9e47376afefcff431ed93e914f01819980846322e7b638cecc24c14c25dc4e9849b5714d87cfe58010c815bd9686ec7
SSDEEP

768:x+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9JI:x+mFM2HXKZgiFP7xIksu+XM5O9JI

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0588942F = "C:\\Users\\Admin\\AppData\\Roaming\\0588942F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3936	4804	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	97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4804	winver.exe
4804	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4804	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 4804	3020	97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777.exe	84
PID 3020 wrote to memory of 4804	3020	97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777.exe	84
PID 3020 wrote to memory of 4804	3020	97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777.exe	84
PID 3020 wrote to memory of 4804	3020	97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777.exe	84
PID 4804 wrote to memory of 3440	4804	winver.exe	56
PID 4804 wrote to memory of 2612	4804	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3440
- C:\Users\Admin\AppData\Local\Temp\97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777.exe
  "C:\Users\Admin\AppData\Local\Temp\97e04cd6d8eabd368ee56f1cb294cff24178c39a57f5913460cf89862e651777.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - 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:4804
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 352
      4⤵
      Program crash
      PID:3936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4804 -ip 4804
1⤵
PID:2528

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/2612-13-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3020-9-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/3020-3-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/3020-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3020-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/3440-5-0x00007FFFC400D000-0x00007FFFC400E000-memory.dmp

Filesize
4KB

Download
memory/3440-7-0x00007FFFC41A0000-0x00007FFFC41A1000-memory.dmp

Filesize
4KB

Download
memory/3440-1-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/4804-4-0x0000000077A32000-0x0000000077A33000-memory.dmp

Filesize
4KB

Download
memory/4804-6-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/4804-11-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4804-14-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download