tinba | db80626d9f8614aec40e47472d9b025bfa0e0838cc37264898f2eac908522b4a

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
14/09/2024, 11:17

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General

Target

ffd281b898fc740b46ebd2b034a3eaf0N.exe
Size

45KB
MD5

ffd281b898fc740b46ebd2b034a3eaf0
SHA1

902c6d713247e9bc4e7adbfb0bedaa1c11a57921
SHA256

db80626d9f8614aec40e47472d9b025bfa0e0838cc37264898f2eac908522b4a
SHA512

61a1f98bf8303bb9b254d3e3d65eae196b318c5d9b00313f58c4793dc39e0483b2e864f3f0f45f0aa54cf56a3ab0aae89e0a953f896d17ebaab44fe3314619aa
SSDEEP

768:fhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:JsWE9N5dFu53dsniQaB/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/1688-0-0x0000000000400000-0x000000000041D000-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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\A7FC46D3 = "C:\\Users\\Admin\\AppData\\Roaming\\A7FC46D3\\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	ffd281b898fc740b46ebd2b034a3eaf0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe
2716	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2716	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2716	1688	ffd281b898fc740b46ebd2b034a3eaf0N.exe	31
PID 1688 wrote to memory of 2716	1688	ffd281b898fc740b46ebd2b034a3eaf0N.exe	31
PID 1688 wrote to memory of 2716	1688	ffd281b898fc740b46ebd2b034a3eaf0N.exe	31
PID 1688 wrote to memory of 2716	1688	ffd281b898fc740b46ebd2b034a3eaf0N.exe	31
PID 1688 wrote to memory of 2716	1688	ffd281b898fc740b46ebd2b034a3eaf0N.exe	31
PID 2716 wrote to memory of 1212	2716	winver.exe	21
PID 2716 wrote to memory of 1100	2716	winver.exe	19
PID 2716 wrote to memory of 1168	2716	winver.exe	20
PID 2716 wrote to memory of 1212	2716	winver.exe	21
PID 2716 wrote to memory of 1548	2716	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\ffd281b898fc740b46ebd2b034a3eaf0N.exe
  "C:\Users\Admin\AppData\Local\Temp\ffd281b898fc740b46ebd2b034a3eaf0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1688
- - 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:2716

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1548

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/1100-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1100-25-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1168-28-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1212-21-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-30-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1548-23-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1548-26-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1548-27-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1688-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1688-13-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/1688-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1688-5-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/1688-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2716-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2716-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2716-7-0x00000000773C0000-0x00000000773C1000-memory.dmp

Filesize
4KB

Download
memory/2716-8-0x00000000773BF000-0x00000000773C0000-memory.dmp

Filesize
4KB

Download
memory/2716-9-0x00000000773BF000-0x00000000773C1000-memory.dmp

Filesize
8KB

Download
memory/2716-11-0x00000000771C0000-0x0000000077369000-memory.dmp

Filesize
1.7MB

Download
memory/2716-35-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download