tinba | 231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 20:32

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General

Target

231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe
Size

610KB
MD5

74ed476b2e7a9fb6f81f1b6903d1d367
SHA1

07f40ebd6ec2084d4a6eb76fe7c14fcf7b2b1028
SHA256

231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a
SHA512

61b705ab1bd82cd77d5efd13c7b66b343332483f8d9ad07e8acac20f375e5a711898b0501f1b952da273fcadedee20a6d36316e5f8524bdee4cf403150667d24
SSDEEP

12288:UATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:KT+KjUdQqboyyWoK1NGqzuhZ

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\F841285F = "C:\\Users\\Admin\\AppData\\Roaming\\F841285F\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2264	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2264	2500	231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe	30
PID 2500 wrote to memory of 2264	2500	231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe	30
PID 2500 wrote to memory of 2264	2500	231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe	30
PID 2500 wrote to memory of 2264	2500	231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe	30
PID 2500 wrote to memory of 2264	2500	231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe	30
PID 2264 wrote to memory of 1212	2264	winver.exe	21
PID 2264 wrote to memory of 1096	2264	winver.exe	19
PID 2264 wrote to memory of 1164	2264	winver.exe	20
PID 2264 wrote to memory of 1212	2264	winver.exe	21
PID 2264 wrote to memory of 1632	2264	winver.exe	25
PID 2264 wrote to memory of 2500	2264	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe
  "C:\Users\Admin\AppData\Local\Temp\231b1836d30171370fe32ccaf75405a17b3331723bbb3098acd7bc80b936eb1a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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:2264

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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 Information Discovery

T1082

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/1096-11-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1096-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1212-17-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1632-20-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1632-29-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/2264-25-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2264-4-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2264-31-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2500-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download