tinba | 5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2

Analysis

max time kernel
146s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 13:40

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General

Target

5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
Size

45KB
MD5

138e764718fc95127d7e45ade0abf6bc
SHA1

533e78a80137bfb198103208dd7749d790f25eec
SHA256

5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2
SHA512

ba637ce8b6e9e3fa19df672e2077bf61a09fc9a425e0482ba8a249658b8154219b44ef2671c0d654bafc95ffa4f86a2a189deb8d15644ea10693be31afdc2480
SSDEEP

768:jhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:1sWE9N5dFu53dsniQaB/xZ14n7zIF+qx

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FE44BDA0 = "C:\\Users\\Admin\\AppData\\Roaming\\FE44BDA0\\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/3092-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3168	3592	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	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3592	winver.exe
3592	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3592	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 3592	3092	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	84
PID 3092 wrote to memory of 3592	3092	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	84
PID 3092 wrote to memory of 3592	3092	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	84
PID 3092 wrote to memory of 3592	3092	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	84
PID 3592 wrote to memory of 3504	3592	winver.exe	56
PID 3592 wrote to memory of 2632	3592	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3504
- C:\Users\Admin\AppData\Local\Temp\5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
  "C:\Users\Admin\AppData\Local\Temp\5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3092
- - 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:3592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 352
      4⤵
      Program crash
      PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3592 -ip 3592
1⤵
PID:3852

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/2632-13-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3092-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3092-1-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/3092-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3092-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3092-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3504-2-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3504-6-0x00007FFC6F34D000-0x00007FFC6F34E000-memory.dmp

Filesize
4KB

Download
memory/3504-3-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3592-7-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3592-5-0x00000000770F2000-0x00000000770F3000-memory.dmp

Filesize
4KB

Download
memory/3592-11-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3592-14-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download