tinba | 2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 03:50

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General

Target

2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe
Size

45KB
MD5

1264a560bedad126d28aa9e867cfc030
SHA1

acdf30d919952d910ccc7cdc61d82244e9a9338e
SHA256

2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6
SHA512

432f0dfdf48cce6102dd0fd63d429dc15ea6db83eb6efd8ba9f39c42bfed291203460c8396435e5a9a07f901923e72dee54629ead96ffea9bba3e29f1e4b5f59
SSDEEP

768:FhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:XsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\87D5CC93 = "C:\\Users\\Admin\\AppData\\Roaming\\87D5CC93\\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/4880-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4932	3880	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	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3880	winver.exe
3880	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3880	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 3880	4880	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	83
PID 4880 wrote to memory of 3880	4880	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	83
PID 4880 wrote to memory of 3880	4880	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	83
PID 4880 wrote to memory of 3880	4880	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	83
PID 3880 wrote to memory of 3472	3880	winver.exe	56
PID 3880 wrote to memory of 2860	3880	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2860

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3472
- C:\Users\Admin\AppData\Local\Temp\2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe
  "C:\Users\Admin\AppData\Local\Temp\2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4880
- - 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:3880
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 352
      4⤵
      Program crash
      PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3880 -ip 3880
1⤵
PID:2364

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/2860-14-0x0000000000010000-0x0000000000016000-memory.dmp

Filesize
24KB

Download
memory/3472-6-0x00007FFD7C22D000-0x00007FFD7C22E000-memory.dmp

Filesize
4KB

Download
memory/3472-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3472-3-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3880-5-0x0000000077002000-0x0000000077003000-memory.dmp

Filesize
4KB

Download
memory/3880-7-0x00007FFD7C190000-0x00007FFD7C385000-memory.dmp

Filesize
2.0MB

Download
memory/3880-12-0x0000000001320000-0x0000000001326000-memory.dmp

Filesize
24KB

Download
memory/3880-15-0x0000000001320000-0x0000000001326000-memory.dmp

Filesize
24KB

Download
memory/4880-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/4880-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4880-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4880-10-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/4880-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download