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

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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

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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