tinba | 4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 15:23

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General

Target

4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe
Size

59KB
MD5

550503f16a9761611c9cd57685c3f2c0
SHA1

848d009015689b2ed132aa38c4c9ba0b1d0f5971
SHA256

4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4
SHA512

ae1b38ee16342980f6a7435023d175ea787da91368a66ae454b69e03afd42e256b10281459dd42cc7dab5174115c05ff1d9a1583f8b6519782b84746989a2ce4
SSDEEP

768:y+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:y+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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\76E307E0 = "C:\\Users\\Admin\\AppData\\Roaming\\76E307E0\\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	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe
2428	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2428	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 2428	1864	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	31
PID 1864 wrote to memory of 2428	1864	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	31
PID 1864 wrote to memory of 2428	1864	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	31
PID 1864 wrote to memory of 2428	1864	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	31
PID 1864 wrote to memory of 2428	1864	4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe	31
PID 2428 wrote to memory of 1200	2428	winver.exe	21
PID 2428 wrote to memory of 1064	2428	winver.exe	18
PID 2428 wrote to memory of 1176	2428	winver.exe	20
PID 2428 wrote to memory of 1200	2428	winver.exe	21
PID 2428 wrote to memory of 636	2428	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe
  "C:\Users\Admin\AppData\Local\Temp\4db89eb48c4b4a31068822f6a0c531cb9e588c38bc00a836b069216c1d475ec4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1864
- - 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:2428

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:636

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/636-29-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/636-30-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/636-24-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1064-26-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/1064-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1176-31-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1200-9-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/1200-1-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1200-28-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1864-4-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/1864-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1864-12-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/1864-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2428-10-0x0000000076CF0000-0x0000000076E99000-memory.dmp

Filesize
1.7MB

Download
memory/2428-7-0x0000000076EEF000-0x0000000076EF0000-memory.dmp

Filesize
4KB

Download
memory/2428-8-0x0000000076EEF000-0x0000000076EF1000-memory.dmp

Filesize
8KB

Download
memory/2428-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2428-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2428-6-0x0000000076EF0000-0x0000000076EF1000-memory.dmp

Filesize
4KB

Download
memory/2428-36-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download