tinba | c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66b

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 14:23

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General

Target

c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe
Size

45KB
MD5

f986fa3b904da920542c58f69cb95250
SHA1

c71481cf575a22edcc84051664399c21c45ff326
SHA256

c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66b
SHA512

cfaf67c3c466a8cd05f3d3ce7fa355ca4eeee2d2e921d7200192e881e8e7bd8baa906976f5a2e6d4100e110eae4e37b2b39a104d3dd11cf87faf924c55e591c3
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:BsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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\37824300 = "C:\\Users\\Admin\\AppData\\Roaming\\37824300\\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/3540-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3008	3204	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	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3204	winver.exe
3204	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3204	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 3204	3540	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	84
PID 3540 wrote to memory of 3204	3540	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	84
PID 3540 wrote to memory of 3204	3540	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	84
PID 3540 wrote to memory of 3204	3540	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	84
PID 3204 wrote to memory of 3476	3204	winver.exe	56
PID 3204 wrote to memory of 2896	3204	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe
  "C:\Users\Admin\AppData\Local\Temp\c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3540
- - 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:3204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 352
      4⤵
      Program crash
      PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3204 -ip 3204
1⤵
PID:2372

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/2896-13-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3204-11-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3204-14-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3204-5-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/3204-7-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

Filesize
2.0MB

Download
memory/3476-3-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3476-2-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x00007FF8DAE2D000-0x00007FF8DAE2E000-memory.dmp

Filesize
4KB

Download
memory/3540-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3540-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3540-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3540-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3540-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download