tinba | 6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779

Analysis

max time kernel
115s
max time network
97s
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 16:53

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General

Target

6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779N.exe
Size

45KB
MD5

e5cfccc3c238fb75a3f558443ce7ba90
SHA1

199dd7d148008cd396e192f796af014982bf6a10
SHA256

6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779
SHA512

ac62e9ba201359c222e3ccd614c4fb19b08289de6f531bd1269ef4897c5c2071f9d9f8fd697208ffca6b704b3c618a58aebea4bc00c18a735c3f10df0af3ff67
SSDEEP

768:bhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:dsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DD37F76A = "C:\\Users\\Admin\\AppData\\Roaming\\DD37F76A\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3588-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4524	1444	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	6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1444	winver.exe
1444	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
1444	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 1444	3588	6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779N.exe	85
PID 3588 wrote to memory of 1444	3588	6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779N.exe	85
PID 3588 wrote to memory of 1444	3588	6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779N.exe	85
PID 3588 wrote to memory of 1444	3588	6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779N.exe	85
PID 1444 wrote to memory of 3436	1444	winver.exe	56
PID 1444 wrote to memory of 2676	1444	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2676

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779N.exe
  "C:\Users\Admin\AppData\Local\Temp\6ca285b06de297108864c5f75e454119ce12a878793e41f5c43e88726f9b0779N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3588
- - 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:1444
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 352
      4⤵
      Program crash
      PID:4524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1444 -ip 1444
1⤵
PID:1904

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/1444-10-0x0000000002840000-0x0000000002846000-memory.dmp

Filesize
24KB

Download
memory/1444-6-0x00007FFE2A9B0000-0x00007FFE2ABA5000-memory.dmp

Filesize
2.0MB

Download
memory/1444-13-0x0000000002840000-0x0000000002846000-memory.dmp

Filesize
24KB

Download
memory/2676-12-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/2676-14-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/3436-4-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FFE2AA4D000-0x00007FFE2AA4E000-memory.dmp

Filesize
4KB

Download
memory/3588-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/3588-2-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3588-7-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3588-8-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3588-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download