tinba | 19a66fa8aea2a47d1994bd913229c10e2e99f66d44b061415243c42cbc8fbda1

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 07:08

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General

Target

86be8e9c11dcf4a3c9054bbd48e5f380N.exe
Size

45KB
MD5

86be8e9c11dcf4a3c9054bbd48e5f380
SHA1

74f6eded72e56d654bdcb5ec17c2efd2b9fef3fe
SHA256

19a66fa8aea2a47d1994bd913229c10e2e99f66d44b061415243c42cbc8fbda1
SHA512

18801a6a6d7de01854289ad57bb31bf50d5b71f74d8c4c786abe195c3864b8f43c5254d41a603bc486bf1fbdea8bff674828d235a94077306f0110af5b5ef785
SSDEEP

768:UhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:YsWE9N5dFu53dsniQaB/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/3012-0-0x0000000000400000-0x000000000041D000-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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\8D8BF03A = "C:\\Users\\Admin\\AppData\\Roaming\\8D8BF03A\\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	86be8e9c11dcf4a3c9054bbd48e5f380N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2552	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2552	3012	86be8e9c11dcf4a3c9054bbd48e5f380N.exe	31
PID 3012 wrote to memory of 2552	3012	86be8e9c11dcf4a3c9054bbd48e5f380N.exe	31
PID 3012 wrote to memory of 2552	3012	86be8e9c11dcf4a3c9054bbd48e5f380N.exe	31
PID 3012 wrote to memory of 2552	3012	86be8e9c11dcf4a3c9054bbd48e5f380N.exe	31
PID 3012 wrote to memory of 2552	3012	86be8e9c11dcf4a3c9054bbd48e5f380N.exe	31
PID 2552 wrote to memory of 1196	2552	winver.exe	21
PID 2552 wrote to memory of 1100	2552	winver.exe	19
PID 2552 wrote to memory of 1172	2552	winver.exe	20
PID 2552 wrote to memory of 1196	2552	winver.exe	21
PID 2552 wrote to memory of 1608	2552	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe
  "C:\Users\Admin\AppData\Local\Temp\86be8e9c11dcf4a3c9054bbd48e5f380N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - 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:2552

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1608

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/1100-27-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1100-26-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1172-28-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1196-29-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1196-4-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1608-30-0x00000000779D1000-0x00000000779D2000-memory.dmp

Filesize
4KB

Download
memory/1608-25-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/1608-31-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/2552-11-0x0000000077980000-0x0000000077B29000-memory.dmp

Filesize
1.7MB

Download
memory/2552-6-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2552-7-0x0000000077B80000-0x0000000077B81000-memory.dmp

Filesize
4KB

Download
memory/2552-8-0x0000000077B7F000-0x0000000077B80000-memory.dmp

Filesize
4KB

Download
memory/2552-9-0x0000000077B7F000-0x0000000077B81000-memory.dmp

Filesize
8KB

Download
memory/2552-32-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3012-13-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/3012-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3012-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3012-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/3012-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download