tinba | 1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9

Analysis

max time kernel
146s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 19:35

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General

Target
1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9.exe
Size 106KB
Sample240803-ya5cesxfpb
SHA256 1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9
MD5 302ce5fbbe60f8fef6db5bfa195cb805
SHA1 021fc7cbe071d36d298c3bbfbc2a29aefc24bcd8
SHA512 9bddb362f18397b0592badd3ef08d0c49edf789ca876b37001359f25c1e4e8e37e7b7bd876b2b352bc52ff8c012471e037005ddc76fe6384adc1faea4f1b0cc7
SSDEEP 768:J+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:J+mFM2QXtZgi9Iksu+XM57ipeq9JA
MD5 SHA1 SHA512 SSDEEP

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

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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0952D0B8 = "C:\\Users\\Admin\\AppData\\Roaming\\0952D0B8\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3532	3300	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	1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3300	winver.exe
3300	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3300	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3512	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 3300	852	1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9.exe	84
PID 852 wrote to memory of 3300	852	1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9.exe	84
PID 852 wrote to memory of 3300	852	1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9.exe	84
PID 852 wrote to memory of 3300	852	1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9.exe	84
PID 3300 wrote to memory of 3512	3300	winver.exe	56
PID 3300 wrote to memory of 2912	3300	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2912

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3512
- C:\Users\Admin\AppData\Local\Temp\1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9.exe
  "C:\Users\Admin\AppData\Local\Temp\1e461d0609d12144d92035a05fd598308fd4960ec50161e6c7032d1df95376d9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:852
- - 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:3300
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3300 -s 356
      4⤵
      Program crash
      PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3300 -ip 3300
1⤵
PID:5116

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/852-10-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/852-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

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memory/852-0-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/852-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

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memory/852-11-0x00000000021D0000-0x0000000002BD0000-memory.dmp

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memory/2912-15-0x0000000000360000-0x0000000000366000-memory.dmp

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memory/3300-16-0x0000000000B50000-0x0000000000B56000-memory.dmp

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memory/3300-6-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

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memory/3300-5-0x0000000000B50000-0x0000000000B56000-memory.dmp

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memory/3300-8-0x00007FFA9DFB0000-0x00007FFA9E1A5000-memory.dmp

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memory/3512-2-0x0000000000D50000-0x0000000000D56000-memory.dmp

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memory/3512-9-0x00007FFA9E1E0000-0x00007FFA9E1E1000-memory.dmp

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memory/3512-7-0x00007FFA9E04D000-0x00007FFA9E04E000-memory.dmp

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memory/3512-3-0x0000000000D50000-0x0000000000D56000-memory.dmp

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