tinba | 411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71

Analysis

max time kernel
110s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 18:05

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General

Target

411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71N.exe
Size

45KB
MD5

ac95871cfe1db6bacde9bcd56fd93d50
SHA1

d64e5668989b0a00998aa0e7c1959d9568ce1976
SHA256

411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71
SHA512

5e28c3cb14d81df3737b200c84bbe91630906afe96624f4eee3f46fed7b1981cc974cad5886344df05d29bcb996d313469517023371edf904271d57f5f56e34e
SSDEEP

768:jhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:1sWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F2786D8D = "C:\\Users\\Admin\\AppData\\Roaming\\F2786D8D\\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/632-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
860	3836	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	411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3836	winver.exe
3836	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3836	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 3836	632	411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71N.exe	84
PID 632 wrote to memory of 3836	632	411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71N.exe	84
PID 632 wrote to memory of 3836	632	411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71N.exe	84
PID 632 wrote to memory of 3836	632	411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71N.exe	84
PID 3836 wrote to memory of 3424	3836	winver.exe	56
PID 3836 wrote to memory of 2876	3836	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2876

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71N.exe
  "C:\Users\Admin\AppData\Local\Temp\411dba18bf2b600af0592abcd122a0ec798e0552f1afa68bfe07e7a7bc14ef71N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:632
- - 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:3836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 352
      4⤵
      Program crash
      PID:860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3836 -ip 3836
1⤵
PID:3324

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/632-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/632-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/632-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/632-4-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/632-10-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/2876-14-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x0000000001310000-0x0000000001316000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFC6DE0D000-0x00007FFC6DE0E000-memory.dmp

Filesize
4KB

Download
memory/3424-7-0x00007FFC6DE0C000-0x00007FFC6DE0D000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x0000000001310000-0x0000000001316000-memory.dmp

Filesize
24KB

Download
memory/3836-5-0x0000000077412000-0x0000000077413000-memory.dmp

Filesize
4KB

Download
memory/3836-8-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/3836-12-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download
memory/3836-15-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download