tinba | 7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d

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
24-11-2024 02:47

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General

Target

7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe
Size

34KB
MD5

d196696f808941349f8f497c8bd270c8
SHA1

46f71b080886008d86626586fc476852e5e8c8f0
SHA256

7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d
SHA512

a9b4c20aa16bc934d83362b18d259207aa00de438004d62dd99d12d1d04d5738b17566fa578d95a43fab2a2716f2c634aab0c39ab874280f0a8e2d8920eeeffe
SSDEEP

768:Bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jm:BpYoX58z1uirL98xMWnT0OQ9Jm

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E4DBA9E4 = "C:\\Users\\Admin\\AppData\\Roaming\\E4DBA9E4\\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/3956-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2020	916	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	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
916	winver.exe
916	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
916	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 916	3956	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	83
PID 3956 wrote to memory of 916	3956	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	83
PID 3956 wrote to memory of 916	3956	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	83
PID 3956 wrote to memory of 916	3956	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	83
PID 916 wrote to memory of 3560	916	winver.exe	56
PID 916 wrote to memory of 2552	916	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3560
- C:\Users\Admin\AppData\Local\Temp\7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe
  "C:\Users\Admin\AppData\Local\Temp\7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3956
- - 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:916
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 352
      4⤵
      Program crash
      PID:2020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 916 -ip 916
1⤵
PID:3244

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/916-5-0x0000000077152000-0x0000000077153000-memory.dmp

Filesize
4KB

Download
memory/916-14-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/916-11-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/916-7-0x00007FFD40070000-0x00007FFD40265000-memory.dmp

Filesize
2.0MB

Download
memory/2552-13-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/3560-6-0x00007FFD4010D000-0x00007FFD4010E000-memory.dmp

Filesize
4KB

Download
memory/3560-2-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3560-3-0x0000000000970000-0x0000000000976000-memory.dmp

Filesize
24KB

Download
memory/3956-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3956-4-0x00000000020D0000-0x0000000002AD0000-memory.dmp

Filesize
10.0MB

Download
memory/3956-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3956-9-0x00000000020D0000-0x0000000002AD0000-memory.dmp

Filesize
10.0MB

Download
memory/3956-1-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download