tinba | 30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7

Analysis

max time kernel
146s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 11:42

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General

Target

30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7.exe
Size

45KB
MD5

e0d11a00a58493df787c159cbd5c6e9d
SHA1

fde366de1263f325448d788072707ada9b873018
SHA256

30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7
SHA512

19e5c2286a340153431979f7570d566a6eaa6f2ffee1076d1800be6d69a35c2ac34a60118588cfda58a05a796625c6399e0d33f0742c63b513166de4ee39cb5c
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2l:/sWE9N5dFu53dsniQaB/xZ14n7zIF+qp

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4E68F83A = "C:\\Users\\Admin\\AppData\\Roaming\\4E68F83A\\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/4548-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4648	860	WerFault.exe	85

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	30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
860	winver.exe
860	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
860	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 860	4548	30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7.exe	85
PID 4548 wrote to memory of 860	4548	30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7.exe	85
PID 4548 wrote to memory of 860	4548	30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7.exe	85
PID 4548 wrote to memory of 860	4548	30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7.exe	85
PID 860 wrote to memory of 3444	860	winver.exe	56
PID 860 wrote to memory of 3028	860	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7.exe
  "C:\Users\Admin\AppData\Local\Temp\30c61a687220e9a606cc588475cf34b0a4ec1fa38fc7b3b3759148f54cb6b6a7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - 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:860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 352
      4⤵
      Program crash
      PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 860 -ip 860
1⤵
PID:4056

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/860-5-0x0000000077082000-0x0000000077083000-memory.dmp

Filesize
4KB

Download
memory/860-15-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/860-12-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/860-8-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/3028-14-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFFA928D000-0x00007FFFA928E000-memory.dmp

Filesize
4KB

Download
memory/3444-7-0x00007FFFA928C000-0x00007FFFA928D000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/4548-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4548-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/4548-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4548-10-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/4548-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download