tinba | 42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b

Analysis

max time kernel
148s
max time network
151s
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 06:34

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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\C25EC210 = "C:\\Users\\Admin\\AppData\\Roaming\\C25EC210\\bin.exe"	winver.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

432 4844 WerFault.exe winver.exe

pid	pid_target	process	target process
432	4844	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:

winver.exe42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

4844 winver.exe
4844 winver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 3456 Explorer.EXE
Token: SeCreatePagefilePrivilege 3456 Explorer.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

4844 winver.exe

pid	process
4844	winver.exe
4844	winver.exe

description	pid	process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

pid	process
4844	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exewinver.exe

description	pid	process	target process
PID 3484 wrote to memory of 4844	3484	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	winver.exe
PID 3484 wrote to memory of 4844	3484	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	winver.exe
PID 3484 wrote to memory of 4844	3484	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	winver.exe
PID 3484 wrote to memory of 4844	3484	42543599c5ee82c4cf3b27a1f068f351b921e5ad69105f3cd095500940d1331b.exe	winver.exe
PID 4844 wrote to memory of 3456	4844	winver.exe	Explorer.EXE
PID 4844 wrote to memory of 2696	4844	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2696

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- 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:3484
- - 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:4844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 352
      4⤵
      Program crash
      PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4844 -ip 4844
1⤵
PID:4860

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/2696-12-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3456-2-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3456-1-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3456-5-0x00007FFF531CD000-0x00007FFF531CE000-memory.dmp

Filesize
4KB

Download
memory/3484-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3484-3-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3484-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3484-8-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4844-4-0x00000000778A2000-0x00000000778A3000-memory.dmp

Filesize
4KB

Download
memory/4844-6-0x00007FFF53130000-0x00007FFF53325000-memory.dmp

Filesize
2.0MB

Download
memory/4844-10-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/4844-13-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download