tinba | 7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 00:49

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General

Target

7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe
Size

45KB
MD5

b43783e68a7fe97d6df18b2345bd0370
SHA1

bc34f6ce9ff6790b00858e572da6531905b624d5
SHA256

7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2b
SHA512

07c9eaac41fb361201c9bb58e176bcb2c9aa04ed6d14ece3dc895439695d7e3fc9be8bbd3ba9609b9e12d32c5022a543bbf9532652f80ecf7c8d7f0eff4f87e2
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:/sWE9N5dFu53dsniQaB/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
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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\2DA23F31 = "C:\\Users\\Admin\\AppData\\Roaming\\2DA23F31\\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/1792-0-0x0000000000400000-0x000000000041D000-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	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe
2968	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2968	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2968	1792	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	31
PID 1792 wrote to memory of 2968	1792	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	31
PID 1792 wrote to memory of 2968	1792	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	31
PID 1792 wrote to memory of 2968	1792	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	31
PID 1792 wrote to memory of 2968	1792	7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe	31
PID 2968 wrote to memory of 1192	2968	winver.exe	21
PID 2968 wrote to memory of 1100	2968	winver.exe	19
PID 2968 wrote to memory of 1160	2968	winver.exe	20
PID 2968 wrote to memory of 1192	2968	winver.exe	21

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe
  "C:\Users\Admin\AppData\Local\Temp\7398fc4284bb48df24c25882dd1e07837896c6fa1c955847b7eb1d067c451d2bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1792
- - 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:2968

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/1100-24-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1100-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1160-26-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1792-5-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/1792-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1792-13-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/1792-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1792-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2968-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2968-7-0x0000000077420000-0x0000000077421000-memory.dmp

Filesize
4KB

Download
memory/2968-8-0x000000007741F000-0x0000000077420000-memory.dmp

Filesize
4KB

Download
memory/2968-9-0x000000007741F000-0x0000000077421000-memory.dmp

Filesize
8KB

Download
memory/2968-11-0x0000000077220000-0x00000000773C9000-memory.dmp

Filesize
1.7MB

Download
memory/2968-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download