tinba | 02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 07:09

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General

Target

02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8.exe
Size

110KB
MD5

70d80ab49e43e4b36a3df76080e9ed27
SHA1

cd2105bea884b84a6007778f29a471a630bc4f17
SHA256

02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8
SHA512

73453887591611d1d353a94ed72db0709b31f34a928222ead48fdf835eeffd643b2f022db4c453bcee62aae24c362c7f670cf29cc8d443fbbc2448f74c5f9324
SSDEEP

1536:viLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:viyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FFC586F2 = "C:\\Users\\Admin\\AppData\\Roaming\\FFC586F2\\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/3092-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3192	4912	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	02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4912	winver.exe
4912	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3588	Explorer.EXE
Token: SeCreatePagefilePrivilege	3588	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4912	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 4912	3092	02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8.exe	84
PID 3092 wrote to memory of 4912	3092	02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8.exe	84
PID 3092 wrote to memory of 4912	3092	02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8.exe	84
PID 3092 wrote to memory of 4912	3092	02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8.exe	84
PID 4912 wrote to memory of 3588	4912	winver.exe	56
PID 4912 wrote to memory of 2616	4912	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3588
- C:\Users\Admin\AppData\Local\Temp\02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8.exe
  "C:\Users\Admin\AppData\Local\Temp\02dbf089352b1e10b8410f7a2d18ce91c76e7556cbef945d4ac07003b8ccbac8.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:4912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 352
      4⤵
      Program crash
      PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
1⤵
PID:1280

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/2616-13-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3092-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3092-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/3092-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3092-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3092-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3588-2-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3588-6-0x00007FFA429ED000-0x00007FFA429EE000-memory.dmp

Filesize
4KB

Download
memory/3588-3-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/4912-7-0x00007FFA42950000-0x00007FFA42B45000-memory.dmp

Filesize
2.0MB

Download
memory/4912-5-0x0000000077162000-0x0000000077163000-memory.dmp

Filesize
4KB

Download
memory/4912-11-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/4912-14-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download