tinba | bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335

Analysis

max time kernel
114s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 09:57

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General

Target

bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe
Size

89KB
MD5

826cea9a97a07dcb148b97f800cdcf90
SHA1

f8e1f56e5bcc41509829b224f6d22da362ee50fa
SHA256

bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335
SHA512

8729baf1bdaaa10544d3f0c1a9fef8a0caecc48b3cae54cb64e0f615ff2e4d7c1acc83c6461daf26950503aab10cce04901188d473ae801eea9c8cd43e287f91
SSDEEP

1536:v1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7+:N+4MJIkLZJNAQ9Jo9+

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DEC9A0E9 = "C:\\Users\\Admin\\AppData\\Roaming\\DEC9A0E9\\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/4840-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4580	3368	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	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3368	winver.exe
3368	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3588	Explorer.EXE
Token: SeCreatePagefilePrivilege	3588	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3368	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 3368	4840	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	84
PID 4840 wrote to memory of 3368	4840	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	84
PID 4840 wrote to memory of 3368	4840	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	84
PID 4840 wrote to memory of 3368	4840	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	84
PID 3368 wrote to memory of 3588	3368	winver.exe	56
PID 3368 wrote to memory of 2616	3368	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3588
- C:\Users\Admin\AppData\Local\Temp\bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe
  "C:\Users\Admin\AppData\Local\Temp\bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4840
- - 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:3368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 352
      4⤵
      Program crash
      PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3368 -ip 3368
1⤵
PID:3436

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/2616-13-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3368-5-0x0000000077162000-0x0000000077163000-memory.dmp

Filesize
4KB

Download
memory/3368-14-0x00000000009E0000-0x00000000009E6000-memory.dmp

Filesize
24KB

Download
memory/3368-11-0x00000000009E0000-0x00000000009E6000-memory.dmp

Filesize
24KB

Download
memory/3368-7-0x00007FFA42950000-0x00007FFA42B45000-memory.dmp

Filesize
2.0MB

Download
memory/3588-2-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/3588-6-0x00007FFA429ED000-0x00007FFA429EE000-memory.dmp

Filesize
4KB

Download
memory/3588-3-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/4840-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4840-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4840-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4840-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4840-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download