tinba | 9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01

Analysis

max time kernel
106s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2024, 08:31

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General

Target

9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe
Size

59KB
MD5

0e481b28c5dad6674ee4c4f86d998f0b
SHA1

f72f28ec6e1f98caeba13e722aedb5aa89f57684
SHA256

9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01
SHA512

ae4d754849a48ab883435e488222eb95c00e6e8c4996f6e907e7ec4d7cfc9166f6d017992745df51f263877a2fb5c3f861397fe3a4ecaa1f8905ea6acad6d824
SSDEEP

768:G+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J3:G+mFM2HXKZgiFP7xIksu+XM5O9J3

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2D671833 = "C:\\Users\\Admin\\AppData\\Roaming\\2D671833\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3696	2652	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	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2652	winver.exe
2652	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2652	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 2652	4132	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	84
PID 4132 wrote to memory of 2652	4132	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	84
PID 4132 wrote to memory of 2652	4132	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	84
PID 4132 wrote to memory of 2652	4132	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	84
PID 2652 wrote to memory of 3424	2652	winver.exe	56
PID 2652 wrote to memory of 2632	2652	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe
  "C:\Users\Admin\AppData\Local\Temp\9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4132
- - 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:2652
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 352
      4⤵
      Program crash
      PID:3696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2652 -ip 2652
1⤵
PID:760

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/2632-12-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/2652-4-0x00000000772D2000-0x00000000772D3000-memory.dmp

Filesize
4KB

Download
memory/2652-6-0x00007FFCDE750000-0x00007FFCDE945000-memory.dmp

Filesize
2.0MB

Download
memory/2652-10-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2652-13-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3424-2-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3424-1-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3424-5-0x00007FFCDE7ED000-0x00007FFCDE7EE000-memory.dmp

Filesize
4KB

Download
memory/4132-0-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/4132-3-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/4132-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4132-8-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download