tinba | 9f71bfb5d88400cb4e42e345e2eecaf8c978aea150de71f021ec86b778ad2be6

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/07/2024, 03:57

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General

Target
478a505cee807c2515aaa1c0100d9bf0N.exe
Size 225KB
Sample240720-ejbxpavgjn
SHA256 9f71bfb5d88400cb4e42e345e2eecaf8c978aea150de71f021ec86b778ad2be6
MD5 478a505cee807c2515aaa1c0100d9bf0
SHA1 97871074afdf75e17b76172e71dc45d74ea0971c
SHA512 ace6463b7616652ca533084f4f40eb82829d3c3f956a9ab6809d28300383ef293b436270845e60a4b6cebb6d14798be30e87ab7747fb7d46c8d53aa25de749fe
SSDEEP 6144:JA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:JATuTAnKGwUAW3ycQqgf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker 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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\05F0EAEC = "C:\\Users\\Admin\\AppData\\Roaming\\05F0EAEC\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2688	2924	478a505cee807c2515aaa1c0100d9bf0N.exe	31
PID 2924 wrote to memory of 2688	2924	478a505cee807c2515aaa1c0100d9bf0N.exe	31
PID 2924 wrote to memory of 2688	2924	478a505cee807c2515aaa1c0100d9bf0N.exe	31
PID 2924 wrote to memory of 2688	2924	478a505cee807c2515aaa1c0100d9bf0N.exe	31
PID 2924 wrote to memory of 2688	2924	478a505cee807c2515aaa1c0100d9bf0N.exe	31
PID 2688 wrote to memory of 1224	2688	winver.exe	21
PID 2688 wrote to memory of 1108	2688	winver.exe	19
PID 2688 wrote to memory of 1204	2688	winver.exe	20
PID 2688 wrote to memory of 1224	2688	winver.exe	21
PID 2688 wrote to memory of 752	2688	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\478a505cee807c2515aaa1c0100d9bf0N.exe
  "C:\Users\Admin\AppData\Local\Temp\478a505cee807c2515aaa1c0100d9bf0N.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2688

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:752

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/752-20-0x0000000001C10000-0x0000000001C16000-memory.dmp

Download

memory/752-26-0x0000000001C10000-0x0000000001C16000-memory.dmp

Download

memory/1108-24-0x0000000001F10000-0x0000000001F16000-memory.dmp

Download

memory/1108-11-0x0000000001F10000-0x0000000001F16000-memory.dmp

Download

memory/1204-27-0x00000000001C0000-0x00000000001C6000-memory.dmp

Download

memory/1204-14-0x00000000001C0000-0x00000000001C6000-memory.dmp

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memory/1224-3-0x00000000020B0000-0x00000000020B6000-memory.dmp

Download

memory/1224-17-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

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memory/1224-1-0x00000000020B0000-0x00000000020B6000-memory.dmp

Download

memory/1224-6-0x00000000020B0000-0x00000000020B6000-memory.dmp

Download

memory/1224-25-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

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memory/2688-23-0x0000000000260000-0x0000000000266000-memory.dmp

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memory/2688-4-0x0000000000170000-0x0000000000176000-memory.dmp

Download

memory/2688-29-0x0000000000260000-0x0000000000266000-memory.dmp

Download

memory/2924-8-0x0000000000400000-0x000000000043C000-memory.dmp

Download