tinba | 8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 23:33

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General

Target

8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe
Size

610KB
MD5

dd28f54f4ca6ef6fbb519732e19ad37c
SHA1

f55a0f1c74777d4b5290867ab636bfe9a5e64223
SHA256

8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c
SHA512

efa327dcc4f5e3af0ddbc52cff96e35cc25930cdf6d03e1b675358f9d55a2fdefb6799b8b3e6ec4e61f0611712b7b63836a0287d0e0c3e55cbf596600ff62e88
SSDEEP

12288:QATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:eT+KjUdQqboyyWoK1NGqzuhb

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\3AF50696 = "C:\\Users\\Admin\\AppData\\Roaming\\3AF50696\\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	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2544	winver.exe
1100	Explorer.EXE
1100	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1100	Explorer.EXE
1100	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2544	1596	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	28
PID 1596 wrote to memory of 2544	1596	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	28
PID 1596 wrote to memory of 2544	1596	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	28
PID 1596 wrote to memory of 2544	1596	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	28
PID 1596 wrote to memory of 2544	1596	8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe	28
PID 2544 wrote to memory of 1100	2544	winver.exe	20
PID 2544 wrote to memory of 1028	2544	winver.exe	17
PID 2544 wrote to memory of 1044	2544	winver.exe	18
PID 2544 wrote to memory of 1100	2544	winver.exe	20
PID 2544 wrote to memory of 1324	2544	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1028

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1100
- C:\Users\Admin\AppData\Local\Temp\8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe
  "C:\Users\Admin\AppData\Local\Temp\8856af69e05e8fb4f37f740b3ee72ff562c899ad296d2495d3dc1b65b90baf0c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1596
- - 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:2544

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1324

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

Replay Monitor

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Downloads

memory/1028-24-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1028-11-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1044-14-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1044-26-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1100-1-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1100-17-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1100-6-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1100-25-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1324-20-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1324-27-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1596-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2544-23-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2544-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2544-29-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download