tinba | ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 09:28

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General

Target

ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe
Size

89KB
MD5

e2ea0e153f75e569aa230a574b3fb470
SHA1

5fded51f0c7185684a2ee2626280175cf3b843c0
SHA256

ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915
SHA512

87ea527f6ddaf8cdc2973407050ca5240de6c5368cc08280af7e0416a7bb65de7536d3b4dafc5d2e8ff8d16955437495c9cd95224e95d2625c67c75af6033ef5
SSDEEP

1536:Wz44CpRkr9DXhH/2mt/56RrufqjhzrmKIFAg8K:WzvokZRff/yFj1qrFAg

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\39D6E906 = "C:\\Users\\Admin\\AppData\\Roaming\\39D6E906\\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	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe
880	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
880	winver.exe
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 880	2076	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	31
PID 2076 wrote to memory of 880	2076	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	31
PID 2076 wrote to memory of 880	2076	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	31
PID 2076 wrote to memory of 880	2076	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	31
PID 2076 wrote to memory of 880	2076	ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe	31
PID 880 wrote to memory of 1424	880	winver.exe	21
PID 880 wrote to memory of 1172	880	winver.exe	19
PID 880 wrote to memory of 1344	880	winver.exe	20
PID 880 wrote to memory of 1424	880	winver.exe	21
PID 880 wrote to memory of 1664	880	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1344

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1424
- C:\Users\Admin\AppData\Local\Temp\ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe
  "C:\Users\Admin\AppData\Local\Temp\ed02cb9e1685ac20241c4136ec13613c89449d7f966712a5904d0938df518915N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2076
- - 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:880

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/880-11-0x0000000077650000-0x00000000777F9000-memory.dmp

Filesize
1.7MB

Download
memory/880-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/880-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/880-7-0x0000000077850000-0x0000000077851000-memory.dmp

Filesize
4KB

Download
memory/880-8-0x000000007784F000-0x0000000077850000-memory.dmp

Filesize
4KB

Download
memory/880-9-0x000000007784F000-0x0000000077851000-memory.dmp

Filesize
8KB

Download
memory/1172-29-0x00000000776A1000-0x00000000776A2000-memory.dmp

Filesize
4KB

Download
memory/1172-28-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1344-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1344-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1424-4-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1424-3-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1424-25-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1424-2-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1424-10-0x00000000776A1000-0x00000000776A2000-memory.dmp

Filesize
4KB

Download
memory/1424-22-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1664-24-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1664-27-0x00000000776A1000-0x00000000776A2000-memory.dmp

Filesize
4KB

Download
memory/1664-26-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2076-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2076-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2076-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2076-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2076-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download