tinba | e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430

Analysis

max time kernel
102s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 14:42

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General

Target

e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430.exe
Size

45KB
MD5

84ddeabba07abfb0dd89daadafb3cd91
SHA1

18f21d3197456d8d2c40ff0f8ae07085dcdd80aa
SHA256

e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430
SHA512

9f874abbbf66829f4e18641e2397350b2de52c0af099e2d68fb68fb395a6fc70ae33e1b6a70f3e7b52049f529cad71388865e69415a2e49999f3d83ea87774af
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\923DADB0 = "C:\\Users\\Admin\\AppData\\Roaming\\923DADB0\\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/860-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4324	704	WerFault.exe	83

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	e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
704	winver.exe
704	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
704	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 704	860	e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430.exe	83
PID 860 wrote to memory of 704	860	e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430.exe	83
PID 860 wrote to memory of 704	860	e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430.exe	83
PID 860 wrote to memory of 704	860	e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430.exe	83
PID 704 wrote to memory of 3484	704	winver.exe	56
PID 704 wrote to memory of 3000	704	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430.exe
  "C:\Users\Admin\AppData\Local\Temp\e1b1d02fef0abe3e0f313b0c49336bcee8493c1900d4bc1fb6ddec1685e56430.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:860
- - 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:704
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 704 -s 352
      4⤵
      Program crash
      PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 704 -ip 704
1⤵
PID:4608

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/704-6-0x0000000077C52000-0x0000000077C53000-memory.dmp

Filesize
4KB

Download
memory/704-15-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/704-8-0x00007FF8EC2D0000-0x00007FF8EC4C5000-memory.dmp

Filesize
2.0MB

Download
memory/704-5-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/860-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/860-4-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/860-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/860-10-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/860-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3000-14-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/3484-7-0x00007FF8EC36D000-0x00007FF8EC36E000-memory.dmp

Filesize
4KB

Download
memory/3484-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3484-3-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download