tinba | 9ddfe92b5d14d447eddf52d1a8b79d0e1bfc365d137d3ce8295f8a0c45e2b9ab

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 15:53

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General

Target

25b03bde81337503fbdf1f86ca463bb0N.exe
Size

89KB
MD5

25b03bde81337503fbdf1f86ca463bb0
SHA1

c0b2a647091ee5718fb376f9f119ae4212d67624
SHA256

9ddfe92b5d14d447eddf52d1a8b79d0e1bfc365d137d3ce8295f8a0c45e2b9ab
SHA512

5fa92fd1d48eb6ab5315e2ead9f94cbd73d0681e3a35f99904b3fe7dd6936621853f61661d7fcc9fda59aaf7a318e7304a866a600d0d636692ce5a31c9bb3888
SSDEEP

1536:t9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:t9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\7ADE90CF = "C:\\Users\\Admin\\AppData\\Roaming\\7ADE90CF\\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	25b03bde81337503fbdf1f86ca463bb0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2900	2840	25b03bde81337503fbdf1f86ca463bb0N.exe	30
PID 2840 wrote to memory of 2900	2840	25b03bde81337503fbdf1f86ca463bb0N.exe	30
PID 2840 wrote to memory of 2900	2840	25b03bde81337503fbdf1f86ca463bb0N.exe	30
PID 2840 wrote to memory of 2900	2840	25b03bde81337503fbdf1f86ca463bb0N.exe	30
PID 2840 wrote to memory of 2900	2840	25b03bde81337503fbdf1f86ca463bb0N.exe	30
PID 2900 wrote to memory of 1228	2900	winver.exe	21
PID 2900 wrote to memory of 1116	2900	winver.exe	19
PID 2900 wrote to memory of 1168	2900	winver.exe	20
PID 2900 wrote to memory of 1228	2900	winver.exe	21
PID 2900 wrote to memory of 772	2900	winver.exe	25
PID 2900 wrote to memory of 2840	2900	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1228
- C:\Users\Admin\AppData\Local\Temp\25b03bde81337503fbdf1f86ca463bb0N.exe
  "C:\Users\Admin\AppData\Local\Temp\25b03bde81337503fbdf1f86ca463bb0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - 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:2900

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:772

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/772-25-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/772-31-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/772-32-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1116-28-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1116-29-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1116-17-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1228-12-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1228-23-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1228-2-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/1228-33-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1228-1-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/1228-5-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/2840-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2840-0-0x0000000000280000-0x0000000000282000-memory.dmp

Filesize
8KB

Download
memory/2840-6-0x0000000002540000-0x0000000002F40000-memory.dmp

Filesize
10.0MB

Download
memory/2840-34-0x0000000002540000-0x0000000002F40000-memory.dmp

Filesize
10.0MB

Download
memory/2900-13-0x00000000778D0000-0x0000000077A79000-memory.dmp

Filesize
1.7MB

Download
memory/2900-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2900-10-0x0000000077ACF000-0x0000000077AD1000-memory.dmp

Filesize
8KB

Download
memory/2900-7-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2900-8-0x0000000077AD0000-0x0000000077AD1000-memory.dmp

Filesize
4KB

Download
memory/2900-9-0x0000000077ACF000-0x0000000077AD0000-memory.dmp

Filesize
4KB

Download
memory/2900-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2900-36-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download