tinba | f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777c

Analysis

max time kernel
106s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 20:18

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General

Target

f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe
Size

59KB
MD5

b7f3f4e07e09076cdbecfa9113434d40
SHA1

9222a7ae0715bcddf2905a0d9cd98cb737cf2ae9
SHA256

f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777c
SHA512

743419324a7440cd589cf23d9bace67d4884a256fd547e8d007907eef818106a51e8bd4dd65a9780fab449178d3958c62266799ef7835dd759dd34d08e851f7c
SSDEEP

768:U+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jf:U+mFM2HXKZgiFP7xIksu+XM5O9Jf

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DD64CBED = "C:\\Users\\Admin\\AppData\\Roaming\\DD64CBED\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2136	3084	WerFault.exe	83

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	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3084	winver.exe
3084	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3084	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 3084	2424	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	83
PID 2424 wrote to memory of 3084	2424	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	83
PID 2424 wrote to memory of 3084	2424	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	83
PID 2424 wrote to memory of 3084	2424	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	83
PID 3084 wrote to memory of 3408	3084	winver.exe	55
PID 3084 wrote to memory of 3004	3084	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3004

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3408
- C:\Users\Admin\AppData\Local\Temp\f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe
  "C:\Users\Admin\AppData\Local\Temp\f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - 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:3084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 352
      4⤵
      Program crash
      PID:2136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3084 -ip 3084
1⤵
PID:4940

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

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Downloads

memory/2424-0-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2424-3-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/2424-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-8-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3004-12-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/3084-4-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/3084-6-0x00007FF820E90000-0x00007FF821085000-memory.dmp

Filesize
2.0MB

Download
memory/3084-10-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3084-13-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3408-1-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3408-2-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3408-5-0x00007FF820F2D000-0x00007FF820F2E000-memory.dmp

Filesize
4KB

Download