tinba | 5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc

Analysis

max time kernel
107s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 07:15

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General

Target

5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc.exe
Size

59KB
MD5

1d92a29002459da382064c4050d72985
SHA1

7617c90788dead67ba3a90d22c538e3448f0a9ed
SHA256

5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc
SHA512

c39ac04c58114e4c02aa82f8ef990c5049265a6e8b5368d35e8c26042bdc2d8d2ee475c6d0f7e299ba6b21150f4f9c7273b4ba9a4f81e7587617d272114288d1
SSDEEP

768:0+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jd:0+mFM2HXKZgiFP7xIksu+XM5O9Jd

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\76ECC2D5 = "C:\\Users\\Admin\\AppData\\Roaming\\76ECC2D5\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2476	4960	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	5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4960	winver.exe
4960	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4960	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 4960	3556	5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc.exe	84
PID 3556 wrote to memory of 4960	3556	5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc.exe	84
PID 3556 wrote to memory of 4960	3556	5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc.exe	84
PID 3556 wrote to memory of 4960	3556	5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc.exe	84
PID 4960 wrote to memory of 3436	4960	winver.exe	56
PID 4960 wrote to memory of 2968	4960	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2968

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc.exe
  "C:\Users\Admin\AppData\Local\Temp\5ceae7ea914b3d5f97a2ea70f4623ed77eac1af0e00c8d307d7c4d594f6d9bbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3556
- - 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:4960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 356
      4⤵
      Program crash
      PID:2476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4960 -ip 4960
1⤵
PID:3928

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/2968-13-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FFCF390D000-0x00007FFCF390E000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFCF390C000-0x00007FFCF390D000-memory.dmp

Filesize
4KB

Download
memory/3556-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3556-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3556-0-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/3556-3-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/4960-4-0x00000000772F2000-0x00000000772F3000-memory.dmp

Filesize
4KB

Download
memory/4960-7-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/4960-11-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/4960-14-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download