tinba | 08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 08:52

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General

Target

08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe
Size

45KB
MD5

83fca9748a8cd143e4423066c1e3cfb0
SHA1

bd2c6ab3dfcc5eee1b70f31f023473a8f4ff405c
SHA256

08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3
SHA512

52899eca4c2a6596fe76dca099b791a7972a1e566e5fa02c5652578d45fd588963f71ec2f6a5a32be757c919a8f6ad47d624faf0826ff78279a8e892584beff4
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:UsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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
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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\BE9645EF = "C:\\Users\\Admin\\AppData\\Roaming\\BE9645EF\\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/2344-0-0x0000000000400000-0x000000000041D000-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	08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe
2332	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2332	winver.exe
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2332	2344	08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe	31
PID 2344 wrote to memory of 2332	2344	08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe	31
PID 2344 wrote to memory of 2332	2344	08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe	31
PID 2344 wrote to memory of 2332	2344	08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe	31
PID 2344 wrote to memory of 2332	2344	08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe	31
PID 2332 wrote to memory of 1164	2332	winver.exe	21
PID 2332 wrote to memory of 1048	2332	winver.exe	18
PID 2332 wrote to memory of 1124	2332	winver.exe	20
PID 2332 wrote to memory of 1164	2332	winver.exe	21
PID 2332 wrote to memory of 1948	2332	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1124

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1164
- C:\Users\Admin\AppData\Local\Temp\08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe
  "C:\Users\Admin\AppData\Local\Temp\08e9f1693d687c58225abf78975d1f3e78853aea44040562ee29b649fc87e0d3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - 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:2332

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1948

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/1048-26-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1048-32-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1048-24-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1048-25-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1124-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1164-27-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1164-4-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1948-31-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-29-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1948-23-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/2332-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/2332-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/2332-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2332-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/2332-30-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2332-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/2344-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2344-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2344-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2344-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2344-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download