tinba | 4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947c

Analysis

max time kernel
118s
max time network
115s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 23:32

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General

Target

4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe
Size

34KB
MD5

73e3fff91c5ec5a431371aaacfa08cc0
SHA1

e1dae3ddb4862c724293076d15a30a0987426ebb
SHA256

4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947c
SHA512

081a5d2133ce2c7e7eb0ae6e80b5c2a662365ced1cebd581a78f693c2479292bae55140f9e7e618ddd1b32e33917198b61835692644682692305c518344009f7
SSDEEP

768:rp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:rpYoX58z1uirL98xMWnT0OQ9Ji

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\E2DFC670 = "C:\\Users\\Admin\\AppData\\Roaming\\E2DFC670\\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/2016-0-0x0000000000400000-0x0000000000417000-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	4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2596	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2596	2016	4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe	31
PID 2016 wrote to memory of 2596	2016	4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe	31
PID 2016 wrote to memory of 2596	2016	4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe	31
PID 2016 wrote to memory of 2596	2016	4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe	31
PID 2016 wrote to memory of 2596	2016	4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe	31
PID 2596 wrote to memory of 1288	2596	winver.exe	21
PID 2596 wrote to memory of 1112	2596	winver.exe	19
PID 2596 wrote to memory of 1204	2596	winver.exe	20
PID 2596 wrote to memory of 1288	2596	winver.exe	21
PID 2596 wrote to memory of 1616	2596	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1288
- C:\Users\Admin\AppData\Local\Temp\4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe
  "C:\Users\Admin\AppData\Local\Temp\4bf12ee6dd5bde3e1351e475490ea9478bdc2396d71d824fd9f1ea96be77947cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - 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:2596

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1616

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/1112-25-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1112-24-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1204-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-29-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1204-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1288-10-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1288-2-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1288-21-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1288-3-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1288-4-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1288-26-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1616-28-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1616-23-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1616-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/2016-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2016-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2016-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2016-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2016-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2596-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2596-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download
memory/2596-8-0x0000000077D2F000-0x0000000077D30000-memory.dmp

Filesize
4KB

Download
memory/2596-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2596-9-0x0000000077D2F000-0x0000000077D31000-memory.dmp

Filesize
8KB

Download
memory/2596-11-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Filesize
1.7MB

Download