tinba | 56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 00:12

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General

Target

56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe
Size

225KB
MD5

42047bf7572e9a7a5241489aa2af96a9
SHA1

c91b39841325c2ddad287c09d11e6b7535e0657f
SHA256

56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8
SHA512

f4fb8766a56369668a83fccbbeb85f22f7757bc75d9617724bb3c8e4f3ea19d3db9b2ca8ed264496858077c0750171fe64cd85ec4bf1bfc0c186bf1fef2f4b82
SSDEEP

6144:jA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:jATuTAnKGwUAW3ycQqgf

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\B89070BE = "C:\\Users\\Admin\\AppData\\Roaming\\B89070BE\\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	56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2540	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2540	2180	56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe	30
PID 2180 wrote to memory of 2540	2180	56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe	30
PID 2180 wrote to memory of 2540	2180	56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe	30
PID 2180 wrote to memory of 2540	2180	56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe	30
PID 2180 wrote to memory of 2540	2180	56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe	30
PID 2540 wrote to memory of 1204	2540	winver.exe	21
PID 2540 wrote to memory of 1108	2540	winver.exe	19
PID 2540 wrote to memory of 1168	2540	winver.exe	20
PID 2540 wrote to memory of 1204	2540	winver.exe	21
PID 2540 wrote to memory of 1496	2540	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:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe
  "C:\Users\Admin\AppData\Local\Temp\56e2b88037885941aef8f6b364465d49223371778c60d3e5da525a842ce6add8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2180
- - 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:2540

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1496

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/1108-11-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-17-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1496-20-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/1496-24-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2540-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2540-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2540-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download