tinba | 139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653

Analysis

max time kernel
97s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2025, 19:28

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General

Target

139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653.exe
Size

45KB
MD5

f24f934c7f34facf978abb7ebea9aa8d
SHA1

199ca6741265a6fcac937be1f96ab6519da3400c
SHA256

139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653
SHA512

62b48ff6d40c38bdec46791d107d7b32544c26ec9220bbadf4aca3947f5060ef0405f85d8d5437d5f914134598ba6dd29a582c714e0d65ddb1e714c4bca4d152
SSDEEP

768:8hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:wsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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\5B956662 = "C:\\Users\\Admin\\AppData\\Roaming\\5B956662\\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/2884-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
384	4408	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	139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4408	winver.exe
4408	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4408	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 4408	2884	139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653.exe	84
PID 2884 wrote to memory of 4408	2884	139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653.exe	84
PID 2884 wrote to memory of 4408	2884	139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653.exe	84
PID 2884 wrote to memory of 4408	2884	139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653.exe	84
PID 4408 wrote to memory of 3368	4408	winver.exe	56
PID 4408 wrote to memory of 2672	4408	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Users\Admin\AppData\Local\Temp\139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653.exe
  "C:\Users\Admin\AppData\Local\Temp\139605c72ff1543654c2b713910ed2e3c6ef47447f1ca2b77d13ce5801aa4653.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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:4408
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 352
      4⤵
      Program crash
      PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4408 -ip 4408
1⤵
PID:4900

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/2672-14-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2884-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2884-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/2884-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2884-4-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/2884-10-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/3368-3-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3368-7-0x00007FFEE798D000-0x00007FFEE798E000-memory.dmp

Filesize
4KB

Download
memory/3368-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/4408-5-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4408-8-0x00007FFEE78F0000-0x00007FFEE7AE5000-memory.dmp

Filesize
2.0MB

Download
memory/4408-6-0x00000000777B2000-0x00000000777B3000-memory.dmp

Filesize
4KB

Download
memory/4408-15-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download