tinba | 39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21/01/2025, 13:42

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General

Target

39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe
Size

89KB
MD5

fc4e99aed09ccbcf7dd50cf5f11dfdab
SHA1

909bb0f1522950f768665e5b73481edd39361a37
SHA256

39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8
SHA512

028722cbd7a0d6137d67c07596d8c273f03cd66a81d922d5d5ed0cbae8b8ad3f48361078c179fb131daf8c66e8b4b2181f5dc77902960fb5c430b2fd700ac810
SSDEEP

1536:Uz44CpRkr9DXhH/2m//56RrufqjhzrmKIFAV0ER:UzvokZRfN/yFj1qrFAHR

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\80E76E83 = "C:\\Users\\Admin\\AppData\\Roaming\\80E76E83\\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	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2400	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 1676 wrote to memory of 2400	1676	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	31
PID 1676 wrote to memory of 2400	1676	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	31
PID 1676 wrote to memory of 2400	1676	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	31
PID 1676 wrote to memory of 2400	1676	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	31
PID 1676 wrote to memory of 2400	1676	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	31
PID 2400 wrote to memory of 1100	2400	winver.exe	18
PID 2400 wrote to memory of 1060	2400	winver.exe	17
PID 2400 wrote to memory of 1100	2400	winver.exe	18
PID 2400 wrote to memory of 1120	2400	winver.exe	20
PID 2400 wrote to memory of 468	2400	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1060

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\39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe
  "C:\Users\Admin\AppData\Local\Temp\39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1676
- - 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:2400

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:468

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/468-28-0x0000000002450000-0x0000000002456000-memory.dmp

Filesize
24KB

Download
memory/468-32-0x0000000002450000-0x0000000002456000-memory.dmp

Filesize
24KB

Download
memory/468-33-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1060-35-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1060-22-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1060-23-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1100-10-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1100-2-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1100-34-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1100-4-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1100-21-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1120-29-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1120-30-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1120-37-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1676-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/1676-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1676-14-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/1676-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1676-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2400-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2400-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2400-7-0x0000000077A40000-0x0000000077A41000-memory.dmp

Filesize
4KB

Download
memory/2400-8-0x0000000077A3F000-0x0000000077A40000-memory.dmp

Filesize
4KB

Download
memory/2400-9-0x0000000077A3F000-0x0000000077A41000-memory.dmp

Filesize
8KB

Download
memory/2400-11-0x0000000077840000-0x00000000779E9000-memory.dmp

Filesize
1.7MB

Download
memory/2400-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download