tinba | d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 04:17

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General

Target

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe
Size

113KB
MD5

d5ce1f55b1c6fbe97badc286bd67d550
SHA1

51355cc8d0706168c6c452b4116ab34ed2ae463f
SHA256

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3b
SHA512

988e6699223f039fee43e1f9a16b21b2f40a1e2a603fd66b68c748420d2a2b40014ea3d9e48d56d3e18dc8b472126b01e9b0c677757d0d90b7f739dc8a259e91
SSDEEP

1536:3iLOvRmmQegJfBbmAQ256/ZrwWhwqjhurmKFcbL86WV0E:3iyvRmDLs/ZrwWjjAqGcfzWH

Score

10^/10

tinba banker discovery persistence trojan upx

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

Processes:

winver.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\5F117E1C = "C:\\Users\\Admin\\AppData\\Roaming\\5F117E1C\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2848-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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

Processes:

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exewinver.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

Processes:

winver.exe

pid	Process
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe
540	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

winver.exeExplorer.EXE

pid	Process
540	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exewinver.exe

description	pid	Process	procid_target
PID 2848 wrote to memory of 540	2848	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	32
PID 2848 wrote to memory of 540	2848	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	32
PID 2848 wrote to memory of 540	2848	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	32
PID 2848 wrote to memory of 540	2848	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	32
PID 2848 wrote to memory of 540	2848	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	32
PID 540 wrote to memory of 1212	540	winver.exe	21
PID 540 wrote to memory of 1108	540	winver.exe	19
PID 540 wrote to memory of 1172	540	winver.exe	20
PID 540 wrote to memory of 1212	540	winver.exe	21
PID 540 wrote to memory of 792	540	winver.exe	25

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe
  "C:\Users\Admin\AppData\Local\Temp\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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:540

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:792

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/540-11-0x0000000077810000-0x00000000779B9000-memory.dmp

Filesize
1.7MB

Download
memory/540-29-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/540-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/540-7-0x0000000077A10000-0x0000000077A11000-memory.dmp

Filesize
4KB

Download
memory/540-8-0x0000000077A0F000-0x0000000077A10000-memory.dmp

Filesize
4KB

Download
memory/540-9-0x0000000077A0F000-0x0000000077A11000-memory.dmp

Filesize
8KB

Download
memory/792-33-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/792-32-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/792-26-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1108-28-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/1172-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/1212-4-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1212-30-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1212-23-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/2848-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2848-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2848-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2848-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2848-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download