tinba | 318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123

Analysis

max time kernel
103s
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
24-11-2024 23:30

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General

Target

318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123.exe
Size

52KB
MD5

9a6b10c292d6c1d25128ff74b5e4c427
SHA1

070711ca7ac579a675bdb196cab157ed9f49a384
SHA256

318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123
SHA512

6b9f6ee174eed5db8509aa3fa8a087bfa51f591f4fb0dd2269ed4a7d2ca1cd3b9bb44ff88873c9c3109403cf114cf615224886db0b5cc438f87280d4a7e6af48
SSDEEP

768:IvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq9:4mZNZUXeQXFhS6sM3prUSGg7O1d9J+

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E74C1454 = "C:\\Users\\Admin\\AppData\\Roaming\\E74C1454\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3560	4076	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	318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4076	winver.exe
4076	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4076	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4076	4316	318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123.exe	84
PID 4316 wrote to memory of 4076	4316	318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123.exe	84
PID 4316 wrote to memory of 4076	4316	318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123.exe	84
PID 4316 wrote to memory of 4076	4316	318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123.exe	84
PID 4076 wrote to memory of 3464	4076	winver.exe	56
PID 4076 wrote to memory of 2764	4076	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2764

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123.exe
  "C:\Users\Admin\AppData\Local\Temp\318c7d21ff7e4b84a3049939a1cdc111b79104119bc72c7bc898b8b507e88123.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4316
- - 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:4076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 352
      4⤵
      Program crash
      PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4076 -ip 4076
1⤵
PID:1932

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/2764-12-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/2764-14-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3464-1-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3464-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3464-5-0x00007FFBE238D000-0x00007FFBE238E000-memory.dmp

Filesize
4KB

Download
memory/4076-10-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/4076-6-0x00007FFBE22F0000-0x00007FFBE24E5000-memory.dmp

Filesize
2.0MB

Download
memory/4076-4-0x00000000775B2000-0x00000000775B3000-memory.dmp

Filesize
4KB

Download
memory/4076-13-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/4316-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4316-8-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4316-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4316-3-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download