tinba | 6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 09:14

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General

Target

6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe
Size

45KB
MD5

0ea3082a0d8ad538c60dc73dc25868e0
SHA1

d898867d910d29cac83c47e2b2e48c57e1104e32
SHA256

6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8
SHA512

eef3e7c2b0fdc7973c12eb3c5ec9b363710f472ad933a39331de7b14e848776aab493cc36fd1316d53726eabc1eb0eb1d468721e85c8f24fb4287bc57f42d2ea
SSDEEP

768:3hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:RsWE9N5dFu53dsniQaB/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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\370D8A3E = "C:\\Users\\Admin\\AppData\\Roaming\\370D8A3E\\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/2532-0-0x0000000000400000-0x000000000041D000-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	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe
2008	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2008	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2008	2532	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	32
PID 2532 wrote to memory of 2008	2532	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	32
PID 2532 wrote to memory of 2008	2532	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	32
PID 2532 wrote to memory of 2008	2532	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	32
PID 2532 wrote to memory of 2008	2532	6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe	32
PID 2008 wrote to memory of 1192	2008	winver.exe	21
PID 2008 wrote to memory of 1104	2008	winver.exe	19
PID 2008 wrote to memory of 1164	2008	winver.exe	20
PID 2008 wrote to memory of 1192	2008	winver.exe	21
PID 2008 wrote to memory of 1312	2008	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe
  "C:\Users\Admin\AppData\Local\Temp\6d444ca7356a9f546832a94608f3746b4c491586414f4751b156b5c1fd0fa0c8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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:2008

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1312

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/1104-31-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1104-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1104-28-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1164-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-26-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1192-35-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1312-34-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1312-36-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download
memory/1312-32-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1312-27-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download
memory/2008-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2008-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2008-7-0x0000000077140000-0x0000000077141000-memory.dmp

Filesize
4KB

Download
memory/2008-8-0x000000007713F000-0x0000000077140000-memory.dmp

Filesize
4KB

Download
memory/2008-9-0x000000007713F000-0x0000000077141000-memory.dmp

Filesize
8KB

Download
memory/2008-11-0x0000000076F40000-0x00000000770E9000-memory.dmp

Filesize
1.7MB

Download
memory/2532-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2532-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2532-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2532-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2532-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download