tinba | 469cecf05c6743f0dc40c71446e3efc8079d70a78a3b1bf6b0b91334ad654f95

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 01:22

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General

Target

2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe
Size

240KB
MD5

5b5d6bf2059717c812be006ee4076fb0
SHA1

63d8245cf7e97a5a555e02ddc14de8cf257da442
SHA256

2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce
SHA512

e9135f0ee3dd04e8251a4b9ffd0847d5a72a1f57ab9aa54ebbdb91344c349f4e3e3c18ad685807ccfc63f7927f972575dda1279f63d0aeaf8693c7fec42af2f7
SSDEEP

6144:1mkLu0Aq9r8q7XMaC4+yPY7HLgZl3MovMfCp5C:gkLsq9r8q7Xp27rk3Mo

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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\A29A54DA = "C:\\Users\\Admin\\AppData\\Roaming\\A29A54DA\\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	2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2744	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2744	2112	2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe	30
PID 2112 wrote to memory of 2744	2112	2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe	30
PID 2112 wrote to memory of 2744	2112	2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe	30
PID 2112 wrote to memory of 2744	2112	2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe	30
PID 2112 wrote to memory of 2744	2112	2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe	30
PID 2744 wrote to memory of 1180	2744	winver.exe	21
PID 2744 wrote to memory of 1104	2744	winver.exe	19
PID 2744 wrote to memory of 1152	2744	winver.exe	20
PID 2744 wrote to memory of 1180	2744	winver.exe	21
PID 2744 wrote to memory of 316	2744	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe
  "C:\Users\Admin\AppData\Local\Temp\2034ad6754cb68b1829d749104c4bff8868510698a15a0d6fe23d79864213dce.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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:2744

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:316

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/316-23-0x0000000001E50000-0x0000000001E57000-memory.dmp

Filesize
28KB

Download
memory/316-25-0x0000000001E50000-0x0000000001E57000-memory.dmp

Filesize
28KB

Download
memory/1104-28-0x00000000020F0000-0x00000000020F7000-memory.dmp

Filesize
28KB

Download
memory/1104-14-0x00000000020F0000-0x00000000020F7000-memory.dmp

Filesize
28KB

Download
memory/1152-17-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1152-27-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1180-20-0x0000000002D40000-0x0000000002D47000-memory.dmp

Filesize
28KB

Download
memory/1180-4-0x0000000002D30000-0x0000000002D37000-memory.dmp

Filesize
28KB

Download
memory/1180-6-0x0000000002D30000-0x0000000002D37000-memory.dmp

Filesize
28KB

Download
memory/1180-9-0x0000000002D30000-0x0000000002D37000-memory.dmp

Filesize
28KB

Download
memory/1180-26-0x0000000002D40000-0x0000000002D47000-memory.dmp

Filesize
28KB

Download
memory/2112-11-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2112-2-0x0000000002390000-0x0000000002510000-memory.dmp

Filesize
1.5MB

Download
memory/2112-0-0x0000000002390000-0x0000000002510000-memory.dmp

Filesize
1.5MB

Download
memory/2112-1-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2744-7-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download