tinba | 2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 21:00

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General

Target

2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe
Size

225KB
MD5

bd4f7a6626e821ef9152b00eb6b70273
SHA1

90d6d6d2961b1e8428b7f100d84d52c452934f31
SHA256

2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1
SHA512

7960f8a331f4ac5c9d40052623416ceea1fb9808f260394aeaf81de15c357ade34cdaaa2a3b2a308d7df69072623becc074d8922ebc85228eb396e0f788b889a
SSDEEP

6144:AA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:AATuTAnKGwUAW3ycQqgf

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\70B961D3 = "C:\\Users\\Admin\\AppData\\Roaming\\70B961D3\\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	2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2856	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2856	1976	2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe	31
PID 1976 wrote to memory of 2856	1976	2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe	31
PID 1976 wrote to memory of 2856	1976	2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe	31
PID 1976 wrote to memory of 2856	1976	2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe	31
PID 1976 wrote to memory of 2856	1976	2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe	31
PID 2856 wrote to memory of 1288	2856	winver.exe	21
PID 2856 wrote to memory of 1112	2856	winver.exe	19
PID 2856 wrote to memory of 1204	2856	winver.exe	20
PID 2856 wrote to memory of 1288	2856	winver.exe	21
PID 2856 wrote to memory of 1616	2856	winver.exe	25
PID 2856 wrote to memory of 1976	2856	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1288
- C:\Users\Admin\AppData\Local\Temp\2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe
  "C:\Users\Admin\AppData\Local\Temp\2e7bf5feeba0bcf0488557aa63e6d1ad8614e0054dbcd9afa57f94592683a6e1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1976
- - 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:2856

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1616

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/1112-26-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1112-9-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1204-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1288-28-0x0000000004310000-0x0000000004316000-memory.dmp

Filesize
24KB

Download
memory/1288-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1288-6-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1288-15-0x0000000004310000-0x0000000004316000-memory.dmp

Filesize
24KB

Download
memory/1288-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1616-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1616-18-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1976-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2856-23-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2856-4-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2856-31-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download