tinba | 86218f57202543cf67991e36400adc7cd7050fbb67e7037c748799f211121450

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 17:09

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General

Target

65f0fc08353a2b7235ca90b709b14e10N.exe
Size

160KB
MD5

65f0fc08353a2b7235ca90b709b14e10
SHA1

b1926a1b7060e5145f5d20f7dc6a262810eb1f7f
SHA256

86218f57202543cf67991e36400adc7cd7050fbb67e7037c748799f211121450
SHA512

b23557e59c9bc9f3e4b47ca0489754a4a28dd911585ed449c341f220e8c54478033079ed3253463d7c1dfc96633aa91cd3102a281100fadd288a1253717b3b2d
SSDEEP

1536:EEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:3Y+4MiIkLZJNAQ9J6v

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2364-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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\C6F07761 = "C:\\Users\\Admin\\AppData\\Roaming\\C6F07761\\bin.exe"	winver.exe

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	65f0fc08353a2b7235ca90b709b14e10N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2656	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2656	2364	65f0fc08353a2b7235ca90b709b14e10N.exe	31
PID 2364 wrote to memory of 2656	2364	65f0fc08353a2b7235ca90b709b14e10N.exe	31
PID 2364 wrote to memory of 2656	2364	65f0fc08353a2b7235ca90b709b14e10N.exe	31
PID 2364 wrote to memory of 2656	2364	65f0fc08353a2b7235ca90b709b14e10N.exe	31
PID 2364 wrote to memory of 2656	2364	65f0fc08353a2b7235ca90b709b14e10N.exe	31
PID 2656 wrote to memory of 1232	2656	winver.exe	21
PID 2656 wrote to memory of 1116	2656	winver.exe	19
PID 2656 wrote to memory of 1176	2656	winver.exe	20
PID 2656 wrote to memory of 1232	2656	winver.exe	21
PID 2656 wrote to memory of 872	2656	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\65f0fc08353a2b7235ca90b709b14e10N.exe
  "C:\Users\Admin\AppData\Local\Temp\65f0fc08353a2b7235ca90b709b14e10N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2364
- - 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:2656

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:872

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/872-24-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/872-30-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/872-31-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1116-27-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1176-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1176-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1232-10-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1232-22-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1232-4-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1232-32-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/2364-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2364-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2364-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2364-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2364-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2656-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2656-33-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2656-11-0x0000000077530000-0x00000000776D9000-memory.dmp

Filesize
1.7MB

Download
memory/2656-9-0x000000007772F000-0x0000000077731000-memory.dmp

Filesize
8KB

Download
memory/2656-8-0x000000007772F000-0x0000000077730000-memory.dmp

Filesize
4KB

Download
memory/2656-7-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/2656-38-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download