tinba | 3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4

Analysis

max time kernel
120s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 10:26

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General

Target

3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe
Size

59KB
MD5

3221f0a7a07ec813e0a0ab0e163e10f0
SHA1

56ce6dac0bce34afa4e56ec5b3650cd2cb5fa6e5
SHA256

3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4
SHA512

946b36b8bf8cb5e3c950384c1202b19598956ec57410b6eeb7aa3a068a2c203d4aa20254c706c0fc27827ac5360707f008316d325a6c54f73c57c6847e0edf65
SSDEEP

768:a+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:a+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\19A90244 = "C:\\Users\\Admin\\AppData\\Roaming\\19A90244\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3040	3896	WerFault.exe	87

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	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3896	winver.exe
3896	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3896	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3448	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 3896	1212	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	87
PID 1212 wrote to memory of 3896	1212	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	87
PID 1212 wrote to memory of 3896	1212	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	87
PID 1212 wrote to memory of 3896	1212	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	87
PID 3896 wrote to memory of 3448	3896	winver.exe	56
PID 3896 wrote to memory of 2600	3896	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2600

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3448
- C:\Users\Admin\AppData\Local\Temp\3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe
  "C:\Users\Admin\AppData\Local\Temp\3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1212
- - 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:3896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 352
      4⤵
      Program crash
      PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3896 -ip 3896
1⤵
PID:2872

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/1212-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1212-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1212-3-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/1212-8-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2600-13-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3448-9-0x00007FF9024C0000-0x00007FF9024C1000-memory.dmp

Filesize
4KB

Download
memory/3448-5-0x00007FF90232D000-0x00007FF90232E000-memory.dmp

Filesize
4KB

Download
memory/3448-2-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/3448-1-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/3896-6-0x00007FF902290000-0x00007FF902485000-memory.dmp

Filesize
2.0MB

Download
memory/3896-4-0x0000000077B72000-0x0000000077B73000-memory.dmp

Filesize
4KB

Download
memory/3896-11-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/3896-14-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download