tinba | 675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/09/2024, 18:53

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General

Target

675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe
Size

45KB
MD5

424f898890282ac4c173e289972daf40
SHA1

fb7cc9a929e909e40eb35cb622ca9a4d1b117b6f
SHA256

675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0
SHA512

476b75aa9256a573956485168454cb85fb593a571bc0061981be0b33b22416d3b14edf66276290c3f8fb53a43226b62b7248ca112e5fa3d4a2f54e82852957e8
SSDEEP

768:ZhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:DsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\852B9BF9 = "C:\\Users\\Admin\\AppData\\Roaming\\852B9BF9\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2196-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2744	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2744	2196	675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe	31
PID 2196 wrote to memory of 2744	2196	675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe	31
PID 2196 wrote to memory of 2744	2196	675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe	31
PID 2196 wrote to memory of 2744	2196	675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe	31
PID 2196 wrote to memory of 2744	2196	675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe	31
PID 2744 wrote to memory of 1204	2744	winver.exe	21
PID 2744 wrote to memory of 1120	2744	winver.exe	19
PID 2744 wrote to memory of 1176	2744	winver.exe	20
PID 2744 wrote to memory of 1204	2744	winver.exe	21
PID 2744 wrote to memory of 1568	2744	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe
  "C:\Users\Admin\AppData\Local\Temp\675a8ad9183a013097318e6b0e43a5e687e65a70c47abe36c7c30d55d5a71eb0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:2744

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1568

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/1120-28-0x0000000077C91000-0x0000000077C92000-memory.dmp

Filesize
4KB

Download
memory/1120-35-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1120-27-0x0000000077C91000-0x0000000077C92000-memory.dmp

Filesize
4KB

Download
memory/1176-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1176-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-30-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077C91000-0x0000000077C92000-memory.dmp

Filesize
4KB

Download
memory/1204-4-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1204-23-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1568-32-0x0000000077C91000-0x0000000077C92000-memory.dmp

Filesize
4KB

Download
memory/1568-29-0x0000000077C91000-0x0000000077C92000-memory.dmp

Filesize
4KB

Download
memory/1568-25-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1568-31-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/2196-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2196-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2196-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2196-5-0x0000000001B40000-0x0000000002540000-memory.dmp

Filesize
10.0MB

Download
memory/2196-13-0x0000000001B40000-0x0000000002540000-memory.dmp

Filesize
10.0MB

Download
memory/2744-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2744-9-0x0000000077E3F000-0x0000000077E41000-memory.dmp

Filesize
8KB

Download
memory/2744-7-0x0000000077E40000-0x0000000077E41000-memory.dmp

Filesize
4KB

Download
memory/2744-8-0x0000000077E3F000-0x0000000077E40000-memory.dmp

Filesize
4KB

Download
memory/2744-34-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2744-11-0x0000000077C40000-0x0000000077DE9000-memory.dmp

Filesize
1.7MB

Download
memory/2744-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download