tinba | 23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa

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
30-11-2024 01:05

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General

Target

23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe
Size

59KB
MD5

4340dc42aaaa198d111bfb54574d245a
SHA1

2b41e721f97ce52f8e49a9a868748dca0d2d6a9f
SHA256

23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa
SHA512

cd3c579fcd2f1057d4b2cb1eb0f924cf42ec3e2a5331ad2c72a070e522c5c713cc15b1c0116305e6e6fa33c4b75648067348354914998fc2f787c6bcc2de907f
SSDEEP

768:I+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9JH:I+mFM2HXKZgiFP7xIksu+XM5O9JH

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\FBF92233 = "C:\\Users\\Admin\\AppData\\Roaming\\FBF92233\\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	23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2528	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2528	1876	23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe	29
PID 1876 wrote to memory of 2528	1876	23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe	29
PID 1876 wrote to memory of 2528	1876	23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe	29
PID 1876 wrote to memory of 2528	1876	23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe	29
PID 1876 wrote to memory of 2528	1876	23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe	29
PID 2528 wrote to memory of 1184	2528	winver.exe	21
PID 2528 wrote to memory of 1072	2528	winver.exe	18
PID 2528 wrote to memory of 1120	2528	winver.exe	19
PID 2528 wrote to memory of 1184	2528	winver.exe	21
PID 2528 wrote to memory of 324	2528	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1120

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe
  "C:\Users\Admin\AppData\Local\Temp\23e3a9739b96748a66a6262b87b8cccabaacc34af7c35203f7aa2d2d62fba0aa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1876
- - 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:2528

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:324

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/324-34-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/324-35-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1072-17-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1072-18-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1120-32-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1120-36-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1120-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1120-29-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1120-31-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1120-33-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1184-1-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-9-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1184-23-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-30-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1876-12-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/1876-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1876-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1876-4-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2528-25-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2528-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2528-10-0x0000000077A70000-0x0000000077C19000-memory.dmp

Filesize
1.7MB

Download
memory/2528-6-0x0000000077C70000-0x0000000077C71000-memory.dmp

Filesize
4KB

Download
memory/2528-7-0x0000000077C6F000-0x0000000077C70000-memory.dmp

Filesize
4KB

Download
memory/2528-8-0x0000000077C6F000-0x0000000077C71000-memory.dmp

Filesize
8KB

Download