tinba | c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66b

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 14:23

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General

Target

c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe
Size

45KB
MD5

f986fa3b904da920542c58f69cb95250
SHA1

c71481cf575a22edcc84051664399c21c45ff326
SHA256

c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66b
SHA512

cfaf67c3c466a8cd05f3d3ce7fa355ca4eeee2d2e921d7200192e881e8e7bd8baa906976f5a2e6d4100e110eae4e37b2b39a104d3dd11cf87faf924c55e591c3
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:BsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\36314D40 = "C:\\Users\\Admin\\AppData\\Roaming\\36314D40\\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/2312-0-0x0000000000400000-0x000000000041D000-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	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2508	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2508	2312	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	31
PID 2312 wrote to memory of 2508	2312	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	31
PID 2312 wrote to memory of 2508	2312	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	31
PID 2312 wrote to memory of 2508	2312	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	31
PID 2312 wrote to memory of 2508	2312	c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe	31
PID 2508 wrote to memory of 1196	2508	winver.exe	21
PID 2508 wrote to memory of 1108	2508	winver.exe	19
PID 2508 wrote to memory of 1156	2508	winver.exe	20
PID 2508 wrote to memory of 1196	2508	winver.exe	21
PID 2508 wrote to memory of 1676	2508	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe
  "C:\Users\Admin\AppData\Local\Temp\c798d5be40c2bd7b5568ef581ee970a14532d677c2ec6ae8d43bd6902efec66bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - 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:2508

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1676

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/1108-26-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1156-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002EE0000-0x0000000002EE6000-memory.dmp

Filesize
24KB

Download
memory/1196-23-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1196-4-0x0000000002EE0000-0x0000000002EE6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002EE0000-0x0000000002EE6000-memory.dmp

Filesize
24KB

Download
memory/1196-28-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1676-25-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1676-29-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1676-30-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/2312-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2312-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2312-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2312-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2312-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2508-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2508-7-0x0000000077C50000-0x0000000077C51000-memory.dmp

Filesize
4KB

Download
memory/2508-8-0x0000000077C4F000-0x0000000077C50000-memory.dmp

Filesize
4KB

Download
memory/2508-9-0x0000000077C4F000-0x0000000077C51000-memory.dmp

Filesize
8KB

Download
memory/2508-11-0x0000000077A50000-0x0000000077BF9000-memory.dmp

Filesize
1.7MB

Download
memory/2508-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download