tinba | 0490bc6655d9b0a0a1925c4e883f47ac5d2041b9596e40827328666c23fd2bd5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 12:06

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General

Target

eeb4d8e7f756e6bec0880b02a3298a50N.exe
Size

89KB
MD5

eeb4d8e7f756e6bec0880b02a3298a50
SHA1

dc10e05d5e37405c23719fe7a2129461d60b39b7
SHA256

0490bc6655d9b0a0a1925c4e883f47ac5d2041b9596e40827328666c23fd2bd5
SHA512

2977601457aee1764ac0e6f2a05b191637b54eed7258c0301be034cc492be252ace3b6bb3afa509a21c682420af28659e209dc964a3908136131ddbbaddf9640
SSDEEP

1536:F9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:F9o6fK2XqXQwhnHlqQo8Lvy

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\6C0304B3 = "C:\\Users\\Admin\\AppData\\Roaming\\6C0304B3\\bin.exe"	winver.exe

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eeb4d8e7f756e6bec0880b02a3298a50N.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe
2432	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2432	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2432	1684	eeb4d8e7f756e6bec0880b02a3298a50N.exe	28
PID 1684 wrote to memory of 2432	1684	eeb4d8e7f756e6bec0880b02a3298a50N.exe	28
PID 1684 wrote to memory of 2432	1684	eeb4d8e7f756e6bec0880b02a3298a50N.exe	28
PID 1684 wrote to memory of 2432	1684	eeb4d8e7f756e6bec0880b02a3298a50N.exe	28
PID 1684 wrote to memory of 2432	1684	eeb4d8e7f756e6bec0880b02a3298a50N.exe	28
PID 2432 wrote to memory of 1200	2432	winver.exe	21
PID 2432 wrote to memory of 1120	2432	winver.exe	19
PID 2432 wrote to memory of 1164	2432	winver.exe	20
PID 2432 wrote to memory of 1200	2432	winver.exe	21
PID 2432 wrote to memory of 1624	2432	winver.exe	23
PID 2432 wrote to memory of 1684	2432	winver.exe	27

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\eeb4d8e7f756e6bec0880b02a3298a50N.exe
  "C:\Users\Admin\AppData\Local\Temp\eeb4d8e7f756e6bec0880b02a3298a50N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1684
- - 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:2432

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1624

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/1120-17-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1120-31-0x0000000077A81000-0x0000000077A82000-memory.dmp

Filesize
4KB

Download
memory/1120-30-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1164-32-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1200-27-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1200-12-0x0000000077A81000-0x0000000077A82000-memory.dmp

Filesize
4KB

Download
memory/1200-1-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1200-5-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1624-24-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/1624-29-0x0000000077A81000-0x0000000077A82000-memory.dmp

Filesize
4KB

Download
memory/1624-28-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/1684-0-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/1684-6-0x0000000002560000-0x0000000002F60000-memory.dmp

Filesize
10.0MB

Download
memory/1684-33-0x0000000002560000-0x0000000002F60000-memory.dmp

Filesize
10.0MB

Download
memory/1684-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2432-13-0x0000000077A30000-0x0000000077BD9000-memory.dmp

Filesize
1.7MB

Download
memory/2432-7-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2432-8-0x0000000077C30000-0x0000000077C31000-memory.dmp

Filesize
4KB

Download
memory/2432-9-0x0000000077C2F000-0x0000000077C30000-memory.dmp

Filesize
4KB

Download
memory/2432-10-0x0000000077C2F000-0x0000000077C31000-memory.dmp

Filesize
8KB

Download
memory/2432-11-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/2432-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2432-34-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download