tinba | 63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3c

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
18/10/2024, 07:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3cN.exe
Size 45KB
Sample241018-jdvj3avcle
SHA256 63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3c
MD5 82fd1ce49dc76b1592a0dde3b970dae0
SHA1 b9a4cb7723696adc45bb1556583f0940289a5aec
SHA512 270d900786c42b81baa6943e3565b8e04b7d3f1395a6f6e4795b7333258928a9fe9160872ea2da4e5052c4bc28fb675791f35fe83ae30e7409650e0d76dbf459
SSDEEP 768:NhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:vsWE9N5dFu53dsniQaB/xZ14n7zIF+qr
MD5 SHA1 SHA512 SSDEEP

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

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\733B8061 = "C:\\Users\\Admin\\AppData\\Roaming\\733B8061\\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/436-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5036	4752	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	63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4752	winver.exe
4752	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4752	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 4752	436	63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3cN.exe	85
PID 436 wrote to memory of 4752	436	63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3cN.exe	85
PID 436 wrote to memory of 4752	436	63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3cN.exe	85
PID 436 wrote to memory of 4752	436	63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3cN.exe	85
PID 4752 wrote to memory of 3436	4752	winver.exe	56
PID 4752 wrote to memory of 2968	4752	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2968

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3cN.exe
  "C:\Users\Admin\AppData\Local\Temp\63f4f56664c43f9174747515bc85cf53058779f007b313dec2a8f3363f480a3cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:436
- - 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:4752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 352
      4⤵
      Program crash
      PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4752 -ip 4752
1⤵
PID:4872

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

Loading Replay Monitor...

Downloads

memory/436-10-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/436-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Download

memory/436-0-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/436-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Download

memory/436-11-0x0000000002320000-0x0000000002D20000-memory.dmp

Download

memory/2968-18-0x00007FFCF3A90000-0x00007FFCF3A91000-memory.dmp

Download

memory/2968-15-0x0000000000420000-0x0000000000426000-memory.dmp

Download

memory/3436-2-0x0000000000740000-0x0000000000746000-memory.dmp

Download

memory/3436-8-0x00007FFCF3AA0000-0x00007FFCF3AA1000-memory.dmp

Download

memory/3436-6-0x00007FFCF390D000-0x00007FFCF390E000-memory.dmp

Download

memory/3436-3-0x0000000000740000-0x0000000000746000-memory.dmp

Download

memory/4752-7-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Download

memory/4752-13-0x0000000002150000-0x0000000002156000-memory.dmp

Download

memory/4752-5-0x00000000772F2000-0x00000000772F3000-memory.dmp

Download

memory/4752-16-0x0000000002150000-0x0000000002156000-memory.dmp

Download