tinba | 353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28

Resubmissions

18-10-2024 22:13

241018-144n4atalm 10

18-10-2024 16:09

241018-tl12xswbrg 10

Analysis

max time kernel
118s
max time network
106s
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 16:09

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General

Target

353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe
Size

45KB
MD5

15defc51c966139c230f18b03f645bb0
SHA1

c1b5d69dca8b1dc761b1980a25b8db2ac7b3cf7e
SHA256

353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28
SHA512

8b0d28293ba3c8b2794536a81976d2260b327993728b725e15f7a76ec8d488b64ec30b2510dc218bc974003e8e66063389f3140409b69f03f05398ea80eb35ad
SSDEEP

768:vhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:5sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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\D4A4FFE9 = "C:\\Users\\Admin\\AppData\\Roaming\\D4A4FFE9\\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/2884-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3628	4868	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	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4868	winver.exe
4868	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3632	Explorer.EXE
Token: SeCreatePagefilePrivilege	3632	Explorer.EXE
Token: SeShutdownPrivilege	3632	Explorer.EXE
Token: SeCreatePagefilePrivilege	3632	Explorer.EXE
Token: SeShutdownPrivilege	3632	Explorer.EXE
Token: SeCreatePagefilePrivilege	3632	Explorer.EXE
Token: SeShutdownPrivilege	3632	Explorer.EXE
Token: SeCreatePagefilePrivilege	3632	Explorer.EXE
Token: SeShutdownPrivilege	3632	Explorer.EXE
Token: SeCreatePagefilePrivilege	3632	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4868	winver.exe
3632	Explorer.EXE
3632	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3632	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 4868	2884	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	85
PID 2884 wrote to memory of 4868	2884	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	85
PID 2884 wrote to memory of 4868	2884	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	85
PID 2884 wrote to memory of 4868	2884	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	85
PID 4868 wrote to memory of 3632	4868	winver.exe	56
PID 4868 wrote to memory of 2612	4868	winver.exe	44

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3632
- C:\Users\Admin\AppData\Local\Temp\353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe
  "C:\Users\Admin\AppData\Local\Temp\353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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:4868
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 356
      4⤵
      Program crash
      PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4868 -ip 4868
1⤵
PID:2880

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/2612-17-0x00007FFCBCD90000-0x00007FFCBCD91000-memory.dmp

Filesize
4KB

Download
memory/2612-12-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/2884-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2884-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2884-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2884-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3632-3-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3632-6-0x00007FFCBCC0D000-0x00007FFCBCC0E000-memory.dmp

Filesize
4KB

Download
memory/3632-15-0x00007FFCBCDA0000-0x00007FFCBCDA1000-memory.dmp

Filesize
4KB

Download
memory/3632-16-0x00007FFCBCD80000-0x00007FFCBCD81000-memory.dmp

Filesize
4KB

Download
memory/3632-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4868-7-0x00007FFCBCB70000-0x00007FFCBCD65000-memory.dmp

Filesize
2.0MB

Download
memory/4868-10-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download
memory/4868-5-0x00000000774E2000-0x00000000774E3000-memory.dmp

Filesize
4KB

Download
memory/4868-13-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download