tinba | 1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7d

Analysis

max time kernel
107s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 07:18

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General

Target

1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7dN.exe
Size

45KB
MD5

e145656aa3ecca88cea70510c7f06c60
SHA1

5b162444c1a093ab896759ef4192615a700fabe5
SHA256

1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7d
SHA512

1e0978ea182855d3bc757acbb632e5ccaede5dbe8858b33e4d5f31b361882f91d13f85c27ad9f15988152b7d36359a22cf638fa356175ea429817edc50319a44
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:3sWE9N5dFu53dsniQaB/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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2A1F0F93 = "C:\\Users\\Admin\\AppData\\Roaming\\2A1F0F93\\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/2464-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4052	1732	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	1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1732	winver.exe
1732	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1732	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 1732	2464	1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7dN.exe	84
PID 2464 wrote to memory of 1732	2464	1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7dN.exe	84
PID 2464 wrote to memory of 1732	2464	1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7dN.exe	84
PID 2464 wrote to memory of 1732	2464	1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7dN.exe	84
PID 1732 wrote to memory of 3508	1732	winver.exe	56
PID 1732 wrote to memory of 2632	1732	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:3508
- C:\Users\Admin\AppData\Local\Temp\1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7dN.exe
  "C:\Users\Admin\AppData\Local\Temp\1351d4cbb25b9e256a8314b60e18bf500de910b9d2fd4f427ad485e0e0ceaf7dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2464
- - 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:1732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 352
      4⤵
      Program crash
      PID:4052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1732 -ip 1732
1⤵
PID:512

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/1732-5-0x0000000076FD2000-0x0000000076FD3000-memory.dmp

Filesize
4KB

Download
memory/1732-14-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/1732-11-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/1732-7-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp

Filesize
2.0MB

Download
memory/2464-9-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2464-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2464-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2464-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2464-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2632-13-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x00007FFCF26CD000-0x00007FFCF26CE000-memory.dmp

Filesize
4KB

Download
memory/3508-3-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3508-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download