tinba | 7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2024, 06:35

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe
Size

45KB
MD5

8f337b7f10de31a7e0a1b09f26d743d4
SHA1

ded26acd099db04d501a2d168d56c7a1dd519c0a
SHA256

7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040
SHA512

13c2f205e6e9ba303c32afce220992991ab925aee83db9a22530a57aa4ac04b9df85ca85b1f3fe4350815ae121beac0b08ce8f8737d73c5796ec8eec0334247f
SSDEEP

768:yhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:+sWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EF7A4211 = "C:\\Users\\Admin\\AppData\\Roaming\\EF7A4211\\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/3332-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1180	1780	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	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1780	winver.exe
1780	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1780	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 1780	3332	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe	84
PID 3332 wrote to memory of 1780	3332	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe	84
PID 3332 wrote to memory of 1780	3332	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe	84
PID 3332 wrote to memory of 1780	3332	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe	84
PID 1780 wrote to memory of 3500	1780	winver.exe	56
PID 1780 wrote to memory of 2964	1780	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2964

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe
  "C:\Users\Admin\AppData\Local\Temp\7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3332
- - 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:1780
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 352
      4⤵
      Program crash
      PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1780 -ip 1780
1⤵
PID:2948

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

Loading Replay Monitor...

Downloads

memory/1780-11-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1780-14-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1780-5-0x00000000772E2000-0x00000000772E3000-memory.dmp

Filesize
4KB

Download
memory/1780-7-0x00007FF95E770000-0x00007FF95E965000-memory.dmp

Filesize
2.0MB

Download
memory/2964-13-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3332-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/3332-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3332-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3332-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3332-9-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3500-3-0x0000000001560000-0x0000000001566000-memory.dmp

Filesize
24KB

Download
memory/3500-6-0x00007FF95E80D000-0x00007FF95E80E000-memory.dmp

Filesize
4KB

Download
memory/3500-2-0x0000000001560000-0x0000000001566000-memory.dmp

Filesize
24KB

Download