tinba | 5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41a

Analysis

max time kernel
118s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2024 20:10

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General

Target

5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41aN.exe
Size

106KB
MD5

88f8762f0ac4270ce8b7322b82fd8a30
SHA1

8a8ae9fd3e57af8dd86eb799fab4630c7378c212
SHA256

5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41a
SHA512

54b663d6d86c512d0feefb2628629f0461c60bf1a1be1d056b70d262adf9ec0fd0ac419d86d789556a1bc8841f4f25c544973dac06fce96221ad1d6d85182a6a
SSDEEP

768:J+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:J+mFM2QXtZgi9Iksu+XM57ipeq9JA

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\18B9F27A = "C:\\Users\\Admin\\AppData\\Roaming\\18B9F27A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4620	740	WerFault.exe	85

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	5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
740	winver.exe
740	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
740	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3408	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 740	4068	5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41aN.exe	85
PID 4068 wrote to memory of 740	4068	5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41aN.exe	85
PID 4068 wrote to memory of 740	4068	5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41aN.exe	85
PID 4068 wrote to memory of 740	4068	5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41aN.exe	85
PID 740 wrote to memory of 3408	740	winver.exe	56
PID 740 wrote to memory of 2868	740	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3408
- C:\Users\Admin\AppData\Local\Temp\5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41aN.exe
  "C:\Users\Admin\AppData\Local\Temp\5defc72e39ffd63fcb7ce9bbdaaefd7508faaf4506ade0d60ea8e29ac65ae41aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4068
- - 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:740
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 352
      4⤵
      Program crash
      PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 740 -ip 740
1⤵
PID:3632

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

Replay Monitor

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Downloads

memory/740-5-0x00000000779B2000-0x00000000779B3000-memory.dmp

Filesize
4KB

Download
memory/740-16-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/740-13-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/740-7-0x00007FFECDD10000-0x00007FFECDF05000-memory.dmp

Filesize
2.0MB

Download
memory/2868-18-0x00007FFECDF30000-0x00007FFECDF31000-memory.dmp

Filesize
4KB

Download
memory/2868-15-0x0000000000060000-0x0000000000066000-memory.dmp

Filesize
24KB

Download
memory/3408-2-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download
memory/3408-6-0x00007FFECDDAD000-0x00007FFECDDAE000-memory.dmp

Filesize
4KB

Download
memory/3408-8-0x00007FFECDF40000-0x00007FFECDF41000-memory.dmp

Filesize
4KB

Download
memory/3408-3-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download
memory/4068-10-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4068-11-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/4068-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/4068-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4068-1-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download