tinba | d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 08:24

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General

Target

d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe
Size

110KB
MD5

9dedfbcf6bef49798b1b7dcd3556619f
SHA1

4e89f5e31380de08743720aee7f547cce7fe4c82
SHA256

d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d
SHA512

7fb92bcc9ae4dbd365762fad735e988874cf9aa16635f6eb2879411ecad9a5f004882c5576a8600d937f5800c841d1e8902b629cb990fbb1487886debe94ce84
SSDEEP

1536:CiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:CiyvRmDLs/ZrwWJjAqGcRJ2hA

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\25572F42 = "C:\\Users\\Admin\\AppData\\Roaming\\25572F42\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2480-0-0x0000000000400000-0x000000000041E000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2260	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2260	2480	d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe	32
PID 2480 wrote to memory of 2260	2480	d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe	32
PID 2480 wrote to memory of 2260	2480	d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe	32
PID 2480 wrote to memory of 2260	2480	d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe	32
PID 2480 wrote to memory of 2260	2480	d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe	32
PID 2260 wrote to memory of 1212	2260	winver.exe	21
PID 2260 wrote to memory of 1108	2260	winver.exe	19
PID 2260 wrote to memory of 1172	2260	winver.exe	20
PID 2260 wrote to memory of 1212	2260	winver.exe	21
PID 2260 wrote to memory of 792	2260	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\d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe
  "C:\Users\Admin\AppData\Local\Temp\d743c36d3a7a4ba8052ca9f7b047f3d7b74e3601b5ad09900c8aac7909ac840d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2480
- - 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:2260

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

Filesize
24KB

Download
memory/792-42-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/792-41-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/792-37-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/792-36-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/1108-33-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/1108-30-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/1108-29-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/1108-35-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

Download
memory/1172-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-31-0x0000000077861000-0x0000000077862000-memory.dmp

Filesize
4KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1212-34-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

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

Filesize
4KB

Download
memory/2260-8-0x0000000077A0F000-0x0000000077A10000-memory.dmp

Filesize
4KB

Download
memory/2260-9-0x0000000077A0F000-0x0000000077A11000-memory.dmp

Filesize
8KB

Download
memory/2260-11-0x0000000077810000-0x00000000779B9000-memory.dmp

Filesize
1.7MB

Download
memory/2260-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2260-28-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2260-7-0x0000000077A10000-0x0000000077A11000-memory.dmp

Filesize
4KB

Download
memory/2480-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2480-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2480-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2480-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2480-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download