tinba | 07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f

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
26/08/2024, 18:31

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General

Target

07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe
Size

225KB
MD5

009fe51f274be202c036595895c6060a
SHA1

0e52d6c04d5bb2cccd28ae074dd491ed7834fe18
SHA256

07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f
SHA512

8d5a7e87a1cbbf2a94bf03feee04ac5abbdaec0c32569cc1d0dfd6190c990363a4bac64460142f82fc43aeb9875435129b7214bfa616e576453225c184858056
SSDEEP

6144:cA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:cATuTAnKGwUAW3ycQqgf

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\34FD6DD3 = "C:\\Users\\Admin\\AppData\\Roaming\\34FD6DD3\\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	07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2408	winver.exe
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2408	2052	07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe	31
PID 2052 wrote to memory of 2408	2052	07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe	31
PID 2052 wrote to memory of 2408	2052	07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe	31
PID 2052 wrote to memory of 2408	2052	07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe	31
PID 2052 wrote to memory of 2408	2052	07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe	31
PID 2408 wrote to memory of 1168	2408	winver.exe	20
PID 2408 wrote to memory of 1072	2408	winver.exe	18
PID 2408 wrote to memory of 1140	2408	winver.exe	19
PID 2408 wrote to memory of 1168	2408	winver.exe	20
PID 2408 wrote to memory of 1756	2408	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1168
- C:\Users\Admin\AppData\Local\Temp\07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe
  "C:\Users\Admin\AppData\Local\Temp\07a6256e37972e4b5b9409a7c17215b5693f8ebfce8987bcb5e0ce4fd4394e4f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2052
- - 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:2408

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1756

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/1072-11-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1072-24-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1140-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1140-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-17-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1168-3-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1168-6-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1168-25-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1168-1-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1756-20-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1756-26-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/2052-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2408-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2408-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2408-29-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download