tinba | 1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2

Analysis

max time kernel
148s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 19:06

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General

Target

1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe
Size

89KB
MD5

3af905c3684d25e597ceb83c57f7d972
SHA1

5e6d20a3ea4adf477b1ed90dec15d0eef45286fc
SHA256

1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2
SHA512

35218ec6bde271e9d7e6e4e0e6dcb4898c838691d29258cb8d16c5127e1ecaf7ce357db7468205262858c3725a6ef58b0a520af2f22bbf1f059c4fdf794aec77
SSDEEP

1536:I9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:I9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\54708238 = "C:\\Users\\Admin\\AppData\\Roaming\\54708238\\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	1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe
772	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
772	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 772	2348	1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe	30
PID 2348 wrote to memory of 772	2348	1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe	30
PID 2348 wrote to memory of 772	2348	1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe	30
PID 2348 wrote to memory of 772	2348	1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe	30
PID 2348 wrote to memory of 772	2348	1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe	30
PID 772 wrote to memory of 1196	772	winver.exe	21
PID 772 wrote to memory of 1108	772	winver.exe	19
PID 772 wrote to memory of 1172	772	winver.exe	20
PID 772 wrote to memory of 1196	772	winver.exe	21
PID 772 wrote to memory of 2028	772	winver.exe	23
PID 772 wrote to memory of 2348	772	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe
  "C:\Users\Admin\AppData\Local\Temp\1ddc26d81c4ae2a6858e981817613723e50c439fb9acf99486ac2f5afe31e6b2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - 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:772

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2028

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/772-8-0x0000000077BB0000-0x0000000077BB1000-memory.dmp

Filesize
4KB

Download
memory/772-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/772-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/772-7-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/772-11-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/772-13-0x00000000779B0000-0x0000000077B59000-memory.dmp

Filesize
1.7MB

Download
memory/772-10-0x0000000077BAF000-0x0000000077BB1000-memory.dmp

Filesize
8KB

Download
memory/772-9-0x0000000077BAF000-0x0000000077BB0000-memory.dmp

Filesize
4KB

Download
memory/1108-15-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1108-30-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1108-31-0x0000000077A01000-0x0000000077A02000-memory.dmp

Filesize
4KB

Download
memory/1172-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-5-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1196-12-0x0000000077A01000-0x0000000077A02000-memory.dmp

Filesize
4KB

Download
memory/1196-21-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/2028-29-0x0000000077A01000-0x0000000077A02000-memory.dmp

Filesize
4KB

Download
memory/2028-28-0x0000000001B70000-0x0000000001B76000-memory.dmp

Filesize
24KB

Download
memory/2028-23-0x0000000001B70000-0x0000000001B76000-memory.dmp

Filesize
24KB

Download
memory/2348-0-0x00000000002D0000-0x00000000002D2000-memory.dmp

Filesize
8KB

Download
memory/2348-6-0x00000000024F0000-0x0000000002EF0000-memory.dmp

Filesize
10.0MB

Download
memory/2348-26-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2348-33-0x00000000024F0000-0x0000000002EF0000-memory.dmp

Filesize
10.0MB

Download