tinba | d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57

Analysis

max time kernel
150s
max time network
145s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 08:06

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General

Target

d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe
Size

225KB
MD5

d900ef1d4be46b37a62d40eeced0ab3e
SHA1

619f4181184fb3561cc9ad8de5b0731105dfa30f
SHA256

d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57
SHA512

63657f4deef2bda82e74d97cc9bffb367d4f3d8c3d88044182d0a9e7f73905de41b30d93893b8c1deccf0f5e8d06519c1b7e4cf1817adc63664657d2a3148330
SSDEEP

6144:hA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:hATuTAnKGwUAW3ycQqgX

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\C78B4396 = "C:\\Users\\Admin\\AppData\\Roaming\\C78B4396\\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	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2840	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2840	2320	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	29
PID 2320 wrote to memory of 2840	2320	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	29
PID 2320 wrote to memory of 2840	2320	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	29
PID 2320 wrote to memory of 2840	2320	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	29
PID 2320 wrote to memory of 2840	2320	d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe	29
PID 2840 wrote to memory of 1196	2840	winver.exe	20
PID 2840 wrote to memory of 1096	2840	winver.exe	18
PID 2840 wrote to memory of 1152	2840	winver.exe	19
PID 2840 wrote to memory of 1196	2840	winver.exe	20
PID 2840 wrote to memory of 1240	2840	winver.exe	22
PID 2840 wrote to memory of 2320	2840	winver.exe	28

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe
  "C:\Users\Admin\AppData\Local\Temp\d7ef9843ab054a29b6a38f8fce66d7faa98d7b7abb9f43d977258c60941b3e57.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2320
- - 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:2840

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1240

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/1096-26-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1096-9-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1152-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1152-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-15-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1240-18-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1240-29-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/2320-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2840-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2840-31-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download