tinba | e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 03:08

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General

Target

e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe
Size

237KB
MD5

c015756701f5cc47607249225fbad51e
SHA1

794b2fb7468b0c64d7ecc47c3ed76210b7adf9d9
SHA256

e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0
SHA512

2ca63c64740e0a18b16ba7c69f0a3f9dcdf8bcfaabdc98461a0d310a3186f790896f82d42c42d4b0120151351d378a30ef6d5def06871d145b5b2f6677826f4c
SSDEEP

6144:sA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYg:sATuTAnKGwUAWVycQqgZ

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
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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\97708870 = "C:\\Users\\Admin\\AppData\\Roaming\\97708870\\bin.exe"	winver.exe

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

System Information Discovery
T1082

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	e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe
1832	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1832	winver.exe
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1832	2360	e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe	31
PID 2360 wrote to memory of 1832	2360	e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe	31
PID 2360 wrote to memory of 1832	2360	e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe	31
PID 2360 wrote to memory of 1832	2360	e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe	31
PID 2360 wrote to memory of 1832	2360	e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe	31
PID 1832 wrote to memory of 1228	1832	winver.exe	21
PID 1832 wrote to memory of 1108	1832	winver.exe	19
PID 1832 wrote to memory of 1172	1832	winver.exe	20
PID 1832 wrote to memory of 1228	1832	winver.exe	21
PID 1832 wrote to memory of 1080	1832	winver.exe	23
PID 1832 wrote to memory of 2360	1832	winver.exe	30

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1228
- C:\Users\Admin\AppData\Local\Temp\e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe
  "C:\Users\Admin\AppData\Local\Temp\e2673f87d736f2a9e26366c107e1bcc2fdb3ceed0a19905cdb0a6ca3f6b8ade0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - 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:1832

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1080

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

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/1080-20-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1080-26-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1108-11-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1172-14-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1228-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1228-17-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1228-1-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1228-28-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1228-6-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1832-25-0x0000000001B20000-0x0000000001B26000-memory.dmp

Filesize
24KB

Download
memory/1832-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1832-31-0x0000000001B20000-0x0000000001B26000-memory.dmp

Filesize
24KB

Download
memory/2360-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download