tinba | f2601c4d9904a9874ee6a9fc25b07f20b47f9f1ab18b569702b7b4272801d706

Analysis

max time kernel
7s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 17:28

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General

Target
NEAS.cf4d055172f057649f428b77b1fc2890.exe
Size 45KB
Sample231022-v16rdsha21
SHA256 f2601c4d9904a9874ee6a9fc25b07f20b47f9f1ab18b569702b7b4272801d706
MD5 cf4d055172f057649f428b77b1fc2890
SHA1 3f43726d4945b80c8e8eacb257df872e8f52adea
SHA512 b2df44702012adda30be81156b55f99b38658babe2fda02857ccae1b6a7e177d49fcfb2aaf845b44bc8fd5670a29a7d76c06efdb2d59dd80988fdd2cfb8c6139
SSDEEP 768:FhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:XsWE9N5dFu53dsniQaB/xZ14n7zIF+qr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3844-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D7DA4E27 = "C:\\Users\\Admin\\AppData\\Roaming\\D7DA4E27\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3044	winver.exe
3044	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3044	winver.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 3044	3844	NEAS.cf4d055172f057649f428b77b1fc2890.exe	88
PID 3844 wrote to memory of 3044	3844	NEAS.cf4d055172f057649f428b77b1fc2890.exe	88
PID 3844 wrote to memory of 3044	3844	NEAS.cf4d055172f057649f428b77b1fc2890.exe	88
PID 3844 wrote to memory of 3044	3844	NEAS.cf4d055172f057649f428b77b1fc2890.exe	88
PID 3044 wrote to memory of 3448	3044	winver.exe	52
PID 3044 wrote to memory of 2432	3044	winver.exe	68
PID 3044 wrote to memory of 2448	3044	winver.exe	67
PID 3044 wrote to memory of 2640	3044	winver.exe	62

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448
- C:\Users\Admin\AppData\Local\Temp\NEAS.cf4d055172f057649f428b77b1fc2890.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.cf4d055172f057649f428b77b1fc2890.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3844
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3044

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2640

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2448

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2432

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2432-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Download

memory/2448-16-0x0000000000400000-0x0000000000406000-memory.dmp

Download

memory/2448-13-0x0000000000400000-0x0000000000406000-memory.dmp

Download

memory/2640-19-0x0000000000A60000-0x0000000000A66000-memory.dmp

Download

memory/3044-5-0x0000000077502000-0x0000000077503000-memory.dmp

Download

memory/3044-7-0x0000000000A80000-0x0000000000A86000-memory.dmp

Download

memory/3448-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Download

memory/3448-6-0x00007FFAA8C8D000-0x00007FFAA8C8E000-memory.dmp

Download

memory/3448-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Download

memory/3448-17-0x0000000002340000-0x0000000002346000-memory.dmp

Download

memory/3572-18-0x00000000007B0000-0x00000000007B6000-memory.dmp

Download

memory/3844-8-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/3844-9-0x0000000002230000-0x0000000002C30000-memory.dmp

Download

memory/3844-0-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/3844-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Download

memory/3844-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Download