tinba | 446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 07:34

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General

Target

446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe
Size

225KB
MD5

e52c5b9cd29286de1cd55b464a359f00
SHA1

fb7f9814cee8bdccf3e7bf1ca59ba8efda14d6f0
SHA256

446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82
SHA512

95996565d830bbab12b20bea3473bd1010bfa7cf250265c47923cfbb484c4a834171b02ae106478c5076d8aa1a3b8c223bd0c63266bb28e5d1cc63742426579b
SSDEEP

6144:6A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:6ATuTAnKGwUAW3ycQqgf

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\19D8BA00 = "C:\\Users\\Admin\\AppData\\Roaming\\19D8BA00\\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	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2924	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2924	2340	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	31
PID 2340 wrote to memory of 2924	2340	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	31
PID 2340 wrote to memory of 2924	2340	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	31
PID 2340 wrote to memory of 2924	2340	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	31
PID 2340 wrote to memory of 2924	2340	446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe	31
PID 2924 wrote to memory of 1184	2924	winver.exe	21
PID 2924 wrote to memory of 1052	2924	winver.exe	17
PID 2924 wrote to memory of 1104	2924	winver.exe	19
PID 2924 wrote to memory of 1184	2924	winver.exe	21
PID 2924 wrote to memory of 884	2924	winver.exe	25
PID 2924 wrote to memory of 2340	2924	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe
  "C:\Users\Admin\AppData\Local\Temp\446b9d0d183a9f448cb3a72e7786fc6861fe46631f7b29491a704fb339a6dd82N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - 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:2924

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:884

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/884-28-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/884-18-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/1052-9-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1052-29-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1104-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-15-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-27-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/2340-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2924-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2924-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2924-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2924-31-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download