tinba | 9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49

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
21/09/2024, 22:26

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General

Target

9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe
Size

45KB
MD5

8501488af00322f33a2379638c52b860
SHA1

23e09bc8058ea5cf5e47f930f39510b88138d518
SHA256

9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49
SHA512

44a4773626b54e9a5968faec4d6384f38b9aa972d12472b04ce5caa4b3e70af38cad8283bfba9f90f20ad8066a0a5cc6bb1ffd6745da9a81a43cb02dd55f4205
SSDEEP

768:ZhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:DsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2624-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\879C5B3E = "C:\\Users\\Admin\\AppData\\Roaming\\879C5B3E\\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	9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2744	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2744	2624	9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe	31
PID 2624 wrote to memory of 2744	2624	9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe	31
PID 2624 wrote to memory of 2744	2624	9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe	31
PID 2624 wrote to memory of 2744	2624	9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe	31
PID 2624 wrote to memory of 2744	2624	9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe	31
PID 2744 wrote to memory of 1212	2744	winver.exe	21
PID 2744 wrote to memory of 1116	2744	winver.exe	19
PID 2744 wrote to memory of 1172	2744	winver.exe	20
PID 2744 wrote to memory of 1212	2744	winver.exe	21
PID 2744 wrote to memory of 1444	2744	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe
  "C:\Users\Admin\AppData\Local\Temp\9f896feb1c6a56aa3d758072522746a7e0142f37196a186a92377dfd66c85b49N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2624
- - 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:2744

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1444

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/1116-34-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x0000000076F81000-0x0000000076F82000-memory.dmp

Filesize
4KB

Download
memory/1116-24-0x0000000076F81000-0x0000000076F82000-memory.dmp

Filesize
4KB

Download
memory/1116-23-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000076F81000-0x0000000076F82000-memory.dmp

Filesize
4KB

Download
memory/1212-22-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1444-30-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1444-27-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1444-31-0x0000000076F81000-0x0000000076F82000-memory.dmp

Filesize
4KB

Download
memory/2624-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2624-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2624-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2624-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2624-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2744-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2744-7-0x0000000077130000-0x0000000077131000-memory.dmp

Filesize
4KB

Download
memory/2744-8-0x000000007712F000-0x0000000077130000-memory.dmp

Filesize
4KB

Download
memory/2744-9-0x000000007712F000-0x0000000077131000-memory.dmp

Filesize
8KB

Download
memory/2744-11-0x0000000076F30000-0x00000000770D9000-memory.dmp

Filesize
1.7MB

Download
memory/2744-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2744-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download