tinba | 40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 21:42

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General

Target

40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe
Size

59KB
MD5

1e5cdf8ef9ff028e73bd64d01a112c60
SHA1

07a9abc5bdcf88e10f8d54db6076a77cb862d96a
SHA256

40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631
SHA512

ceacfed9a4db37f26046a607311ee7a9012871239f9fe4b5d2d06d020aaa4a7b687d9e2d47b35ef3ef549de8887d07f36b73a89022abfa7071bb572b0bbf76c5
SSDEEP

768:K+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:K+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\F300167B = "C:\\Users\\Admin\\AppData\\Roaming\\F300167B\\bin.exe"	winver.exe

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	40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2488	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2488	1372	40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe	31
PID 1372 wrote to memory of 2488	1372	40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe	31
PID 1372 wrote to memory of 2488	1372	40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe	31
PID 1372 wrote to memory of 2488	1372	40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe	31
PID 1372 wrote to memory of 2488	1372	40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe	31
PID 2488 wrote to memory of 1176	2488	winver.exe	21
PID 2488 wrote to memory of 1072	2488	winver.exe	17
PID 2488 wrote to memory of 1092	2488	winver.exe	19
PID 2488 wrote to memory of 1176	2488	winver.exe	21
PID 2488 wrote to memory of 1824	2488	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1092

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe
  "C:\Users\Admin\AppData\Local\Temp\40a432671310be48078d8ef1708451b3d2a5436b2d5a419c8bdfa4c91c1c2631N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1372
- - 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:2488

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1824

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/1072-23-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/1072-24-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1092-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1092-18-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x0000000002870000-0x0000000002876000-memory.dmp

Filesize
24KB

Download
memory/1176-2-0x0000000002870000-0x0000000002876000-memory.dmp

Filesize
24KB

Download
memory/1176-1-0x0000000002870000-0x0000000002876000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1176-20-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1176-9-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1372-4-0x0000000001E00000-0x0000000002800000-memory.dmp

Filesize
10.0MB

Download
memory/1372-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1372-12-0x0000000001E00000-0x0000000002800000-memory.dmp

Filesize
10.0MB

Download
memory/1372-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1824-22-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1824-28-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1824-27-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2488-10-0x0000000077480000-0x0000000077629000-memory.dmp

Filesize
1.7MB

Download
memory/2488-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2488-6-0x0000000077680000-0x0000000077681000-memory.dmp

Filesize
4KB

Download
memory/2488-7-0x000000007767F000-0x0000000077680000-memory.dmp

Filesize
4KB

Download
memory/2488-8-0x000000007767F000-0x0000000077681000-memory.dmp

Filesize
8KB

Download
memory/2488-29-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download