tinba | f041b3ea2704a79224ac322c6bd10f798f678d1dbeadb225d7f369befd5e3e4e

Analysis

max time kernel
119s
max time network
116s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 02:27

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General

Target

e8b7dca86414d2cbd1f6ea3e29e0f010N.exe
Size

89KB
MD5

e8b7dca86414d2cbd1f6ea3e29e0f010
SHA1

acceb8ee205a620d2044cd69b767c8fc28a2d575
SHA256

f041b3ea2704a79224ac322c6bd10f798f678d1dbeadb225d7f369befd5e3e4e
SHA512

f073d8ef1d8494404894d70e27f4d8e90cda22f9dc6437ba9f2597add614b1ff67791ecf7b0c94aaf7f835b3d5b7e625571e3f3545a73b122ae3b726af1dbd41
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\0850A981 = "C:\\Users\\Admin\\AppData\\Roaming\\0850A981\\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	e8b7dca86414d2cbd1f6ea3e29e0f010N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe
1032	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1032	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1032	2384	e8b7dca86414d2cbd1f6ea3e29e0f010N.exe	28
PID 2384 wrote to memory of 1032	2384	e8b7dca86414d2cbd1f6ea3e29e0f010N.exe	28
PID 2384 wrote to memory of 1032	2384	e8b7dca86414d2cbd1f6ea3e29e0f010N.exe	28
PID 2384 wrote to memory of 1032	2384	e8b7dca86414d2cbd1f6ea3e29e0f010N.exe	28
PID 2384 wrote to memory of 1032	2384	e8b7dca86414d2cbd1f6ea3e29e0f010N.exe	28
PID 1032 wrote to memory of 1204	1032	winver.exe	21
PID 1032 wrote to memory of 1108	1032	winver.exe	19
PID 1032 wrote to memory of 1160	1032	winver.exe	20
PID 1032 wrote to memory of 1204	1032	winver.exe	21
PID 1032 wrote to memory of 1664	1032	winver.exe	23
PID 1032 wrote to memory of 2384	1032	winver.exe	27

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\e8b7dca86414d2cbd1f6ea3e29e0f010N.exe
  "C:\Users\Admin\AppData\Local\Temp\e8b7dca86414d2cbd1f6ea3e29e0f010N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - 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:1032

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1032-8-0x00000000773F0000-0x00000000773F1000-memory.dmp

Filesize
4KB

Download
memory/1032-36-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1032-13-0x00000000771F0000-0x0000000077399000-memory.dmp

Filesize
1.7MB

Download
memory/1032-11-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1032-10-0x00000000773EF000-0x00000000773F1000-memory.dmp

Filesize
8KB

Download
memory/1032-9-0x00000000773EF000-0x00000000773F0000-memory.dmp

Filesize
4KB

Download
memory/1032-7-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1032-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1108-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1108-30-0x0000000077241000-0x0000000077242000-memory.dmp

Filesize
4KB

Download
memory/1108-16-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1160-31-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1204-12-0x0000000077241000-0x0000000077242000-memory.dmp

Filesize
4KB

Download
memory/1204-22-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1204-5-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1204-32-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1664-34-0x0000000077241000-0x0000000077242000-memory.dmp

Filesize
4KB

Download
memory/1664-25-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1664-33-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/2384-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2384-6-0x00000000024F0000-0x0000000002EF0000-memory.dmp

Filesize
10.0MB

Download
memory/2384-28-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-35-0x00000000024F0000-0x0000000002EF0000-memory.dmp

Filesize
10.0MB

Download