tinba | 42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b

Analysis

max time kernel
103s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 06:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe
Size

88KB
MD5

63d3e052c956f5635c0b16b942ad7817
SHA1

e932ce4b2681f1b48f96778ef0ebad5ac1676dd2
SHA256

42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b
SHA512

7a9010045601e82da9f87dc93bbecfc1dbfacbfb6528ae080e133b0b87d30f859ab0049b0bae36b3eaa20dcc172d7d08ac581b34246472028c6c868105dc4b58
SSDEEP

1536:25nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:25fvp12UFKcD/6jwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

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

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7E145E89 = "C:\\Users\\Admin\\AppData\\Roaming\\7E145E89\\bin.exe"	winver.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4948 836 WerFault.exe winver.exe

pid	pid_target	process	target process
4948	836	WerFault.exe	winver.exe

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

Processes:

42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exewinver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

836 winver.exe
836 winver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 3436 Explorer.EXE
Token: SeCreatePagefilePrivilege 3436 Explorer.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

836 winver.exe

pid	process
836	winver.exe
836	winver.exe

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

pid	process
836	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exewinver.exe

description	pid	process	target process
PID 3084 wrote to memory of 836	3084	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	winver.exe
PID 3084 wrote to memory of 836	3084	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	winver.exe
PID 3084 wrote to memory of 836	3084	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	winver.exe
PID 3084 wrote to memory of 836	3084	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	winver.exe
PID 836 wrote to memory of 3436	836	winver.exe	Explorer.EXE
PID 836 wrote to memory of 2972	836	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2972

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe
  "C:\Users\Admin\AppData\Local\Temp\42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3084
- - 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:836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 352
      4⤵
      Program crash
      PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 836 -ip 836
1⤵
PID:4100

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/836-4-0x00000000772D2000-0x00000000772D3000-memory.dmp

Filesize
4KB

Download
memory/836-6-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/836-10-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/836-13-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/2972-12-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3084-0-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/3084-3-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3084-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3084-8-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3436-2-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FFDA384D000-0x00007FFDA384E000-memory.dmp

Filesize
4KB

Download