tinba | 4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29a

Analysis

max time kernel
104s
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
27-11-2024 11:18

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General

Target

4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe
Size

59KB
MD5

21334ca6fdc7a5a5a654eead9f9099d0
SHA1

fc03a4bd5632d302a19b14ec5d3c3da70603033f
SHA256

4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29a
SHA512

aee9bb89e2e619cd795608ac5dc11e8e492a85c61b39d7c6b245fd7e4ef6ddc5b7f6ae344a66a1b4a232d545db2c30c85d31a0236f896d86007eab27ec93b27b
SSDEEP

768:I+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:I+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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DB6A6C7D = "C:\\Users\\Admin\\AppData\\Roaming\\DB6A6C7D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3576	1580	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	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1580	winver.exe
1580	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1580	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 1580	4856	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	84
PID 4856 wrote to memory of 1580	4856	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	84
PID 4856 wrote to memory of 1580	4856	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	84
PID 4856 wrote to memory of 1580	4856	4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe	84
PID 1580 wrote to memory of 3532	1580	winver.exe	56
PID 1580 wrote to memory of 2828	1580	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2828

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe
  "C:\Users\Admin\AppData\Local\Temp\4ecc4bb2987cc9a64a8112701f8579cbfbef97eb30d62c6e494f2876a36cc29aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4856
- - 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:1580
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 352
      4⤵
      Program crash
      PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1580 -ip 1580
1⤵
PID:2704

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/1580-5-0x00007FF9A7FF0000-0x00007FF9A81E5000-memory.dmp

Filesize
2.0MB

Download
memory/1580-9-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1580-12-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/2828-11-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3532-2-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3532-1-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3532-4-0x00007FF9A808D000-0x00007FF9A808E000-memory.dmp

Filesize
4KB

Download
memory/4856-0-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/4856-3-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/4856-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-7-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download