tinba | 8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 09:07

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General

Target

8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe
Size

98KB
MD5

f5d45c95cee135069addb1334fb841b0
SHA1

858bf22dcfa5ee3b1c44bbf915285a114d9eacf2
SHA256

8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593
SHA512

96abf6c56a057057ad613e775f801b8d9fdf74cd1b1fddf1d7db211de25cbcfb3790e56fd61f000b681ce5c4a3f659bac1e806c60d58c3b7fe2e859e7e0ddf23
SSDEEP

768:P+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:P+mFM2HXKZgi9Iksu+XM57ipeq9JF

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\85DA0A87 = "C:\\Users\\Admin\\AppData\\Roaming\\85DA0A87\\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	8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe
2540	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2540	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 2540	108	8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe	31
PID 108 wrote to memory of 2540	108	8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe	31
PID 108 wrote to memory of 2540	108	8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe	31
PID 108 wrote to memory of 2540	108	8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe	31
PID 108 wrote to memory of 2540	108	8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe	31
PID 2540 wrote to memory of 1188	2540	winver.exe	21
PID 2540 wrote to memory of 1108	2540	winver.exe	19
PID 2540 wrote to memory of 1160	2540	winver.exe	20
PID 2540 wrote to memory of 1188	2540	winver.exe	21
PID 2540 wrote to memory of 1232	2540	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe
  "C:\Users\Admin\AppData\Local\Temp\8875d5b7022c58bb812102956d937adfa5e5ede03d7f44704cd5f0430ad17593N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:108
- - 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:2540

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1232

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/108-12-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/108-4-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/108-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/108-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1108-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x00000000771B1000-0x00000000771B2000-memory.dmp

Filesize
4KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1188-9-0x00000000771B1000-0x00000000771B2000-memory.dmp

Filesize
4KB

Download
memory/1188-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1188-22-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1188-28-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1232-24-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download
memory/1232-30-0x00000000771B1000-0x00000000771B2000-memory.dmp

Filesize
4KB

Download
memory/1232-29-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download
memory/2540-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2540-6-0x0000000077360000-0x0000000077361000-memory.dmp

Filesize
4KB

Download
memory/2540-7-0x000000007735F000-0x0000000077360000-memory.dmp

Filesize
4KB

Download
memory/2540-8-0x000000007735F000-0x0000000077361000-memory.dmp

Filesize
8KB

Download
memory/2540-10-0x0000000077160000-0x0000000077309000-memory.dmp

Filesize
1.7MB

Download
memory/2540-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download