tinba | 7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892

Analysis

max time kernel
148s
max time network
144s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26/11/2024, 12:59

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General

Target

7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe
Size

237KB
MD5

5fa33b3d94c1cf16ab5d4c8ee4fead52
SHA1

77eab8a673d8ebabe23cbd5b9e4dcee89b66e2fc
SHA256

7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892
SHA512

e1db7f29ee53875a05fbdfbfd691b89bee80ee18b2c522eb30674a6a0008c4aac14e2062891c9a04f26ba1e70e0964224735b8d296cd98140ce0fefa88b4d2b8
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:zATuTAnKGwUAWVycQqgB

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\7F351280 = "C:\\Users\\Admin\\AppData\\Roaming\\7F351280\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2584	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2584	2916	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	30
PID 2916 wrote to memory of 2584	2916	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	30
PID 2916 wrote to memory of 2584	2916	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	30
PID 2916 wrote to memory of 2584	2916	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	30
PID 2916 wrote to memory of 2584	2916	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	30
PID 2584 wrote to memory of 1192	2584	winver.exe	21
PID 2584 wrote to memory of 1100	2584	winver.exe	19
PID 2584 wrote to memory of 1164	2584	winver.exe	20
PID 2584 wrote to memory of 1192	2584	winver.exe	21
PID 2584 wrote to memory of 1612	2584	winver.exe	25
PID 2584 wrote to memory of 2916	2584	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe
  "C:\Users\Admin\AppData\Local\Temp\7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2916
- - 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:2584

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1612

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1100-29-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1100-11-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1192-17-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1192-26-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1612-20-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/1612-27-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/2584-25-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2584-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2584-31-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2916-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download