tinba | f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692f

Analysis

max time kernel
118s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 00:11

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General

Target

f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692fN.exe
Size

59KB
MD5

929fe1ec88ab073d47bb0d7cdf44e3b0
SHA1

a67f97910e02b203275eb5d5d64623b144061b16
SHA256

f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692f
SHA512

cffb774a8c1c483f6f8beed0a9e128e7c674616d6203477d31ca1457ec5d6c722de6cf1e8e7b7ea6eb9f2d65f3463539120f25a4dac2c588ec6eb72a584d99c1
SSDEEP

768:T+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:T+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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F2947D4F = "C:\\Users\\Admin\\AppData\\Roaming\\F2947D4F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2576	3716	WerFault.exe	86

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	f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3716	winver.exe
3716	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3716	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 3716	3256	f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692fN.exe	86
PID 3256 wrote to memory of 3716	3256	f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692fN.exe	86
PID 3256 wrote to memory of 3716	3256	f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692fN.exe	86
PID 3256 wrote to memory of 3716	3256	f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692fN.exe	86
PID 3716 wrote to memory of 3520	3716	winver.exe	56
PID 3716 wrote to memory of 2652	3716	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3520
- C:\Users\Admin\AppData\Local\Temp\f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692fN.exe
  "C:\Users\Admin\AppData\Local\Temp\f73965b3f1cab08f41a1911ec410c1a0811550a039eaad62363a926ba0f5692fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3256
- - 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:3716
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 352
      4⤵
      Program crash
      PID:2576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3716 -ip 3716
1⤵
PID:1980

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/2652-16-0x00007FFF0EF90000-0x00007FFF0EF91000-memory.dmp

Filesize
4KB

Download
memory/2652-13-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3256-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3256-0-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/3256-9-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3256-3-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3520-5-0x00007FFF0EE0D000-0x00007FFF0EE0E000-memory.dmp

Filesize
4KB

Download
memory/3520-7-0x00007FFF0EFA0000-0x00007FFF0EFA1000-memory.dmp

Filesize
4KB

Download
memory/3520-1-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3716-6-0x00007FFF0ED70000-0x00007FFF0EF65000-memory.dmp

Filesize
2.0MB

Download
memory/3716-4-0x0000000076F02000-0x0000000076F03000-memory.dmp

Filesize
4KB

Download
memory/3716-11-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3716-14-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download