tinba | e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4ab

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-10-2024 07:24

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General

Target

e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe
Size

98KB
MD5

8c0adebc3f61f5aa84b017b1d03fa230
SHA1

607225827a57d242b396b69a41522057c345be78
SHA256

e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4ab
SHA512

31e9b9625a40c5cc6cd1ae9847f00a25f699c6bee98da0ed1cbac1f75cac26a27ba479411b603e50102e9ca410fcbf8e7cfe2959870c54a8a7df43a94d561dc9
SSDEEP

768:t+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:t+mFM2HXKZgi9Iksu+XM57ipeq9JF

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\8B4B996E = "C:\\Users\\Admin\\AppData\\Roaming\\8B4B996E\\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	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe
1416	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1416	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1416	2484	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	32
PID 2484 wrote to memory of 1416	2484	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	32
PID 2484 wrote to memory of 1416	2484	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	32
PID 2484 wrote to memory of 1416	2484	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	32
PID 2484 wrote to memory of 1416	2484	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	32
PID 1416 wrote to memory of 1144	1416	winver.exe	20
PID 1416 wrote to memory of 1060	1416	winver.exe	17
PID 1416 wrote to memory of 1072	1416	winver.exe	18
PID 1416 wrote to memory of 1144	1416	winver.exe	20
PID 1416 wrote to memory of 1564	1416	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1060

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1144
- C:\Users\Admin\AppData\Local\Temp\e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe
  "C:\Users\Admin\AppData\Local\Temp\e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2484
- - 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:1416

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1564

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/1060-24-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1060-25-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1072-26-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1072-19-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1144-21-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1144-3-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1144-2-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1144-1-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1144-9-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1144-27-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1416-10-0x00000000778C0000-0x0000000077A69000-memory.dmp

Filesize
1.7MB

Download
memory/1416-5-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1416-6-0x0000000077AC0000-0x0000000077AC1000-memory.dmp

Filesize
4KB

Download
memory/1416-7-0x0000000077ABF000-0x0000000077AC0000-memory.dmp

Filesize
4KB

Download
memory/1416-8-0x0000000077ABF000-0x0000000077AC1000-memory.dmp

Filesize
8KB

Download
memory/1416-30-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1564-23-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1564-29-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1564-28-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/2484-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2484-12-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2484-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2484-4-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download