tinba | 6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63

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
24-11-2024 17:05

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General

Target

6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe
Size

45KB
MD5

7d7dacf9cccccbbb375eed438da29f56
SHA1

1d95f40351555ab802c111a1cb0762f713b01991
SHA256

6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63
SHA512

85a2d8daa0b6fbd0c1c5bff367c1efd1336c937cb6553d5576d0e50f989c5e15259ef576b8e2f67dcf5504e659bb448c4a71a95e71326b366b8e5881fd936dba
SSDEEP

768:3hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:RsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\C52C1FF7 = "C:\\Users\\Admin\\AppData\\Roaming\\C52C1FF7\\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/2068-0-0x0000000000400000-0x000000000041D000-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	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1632	winver.exe
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1632	2068	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	31
PID 2068 wrote to memory of 1632	2068	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	31
PID 2068 wrote to memory of 1632	2068	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	31
PID 2068 wrote to memory of 1632	2068	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	31
PID 2068 wrote to memory of 1632	2068	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	31
PID 1632 wrote to memory of 1164	1632	winver.exe	21
PID 1632 wrote to memory of 1048	1632	winver.exe	18
PID 1632 wrote to memory of 1124	1632	winver.exe	20
PID 1632 wrote to memory of 1164	1632	winver.exe	21
PID 1632 wrote to memory of 1948	1632	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1124

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1164
- C:\Users\Admin\AppData\Local\Temp\6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe
  "C:\Users\Admin\AppData\Local\Temp\6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - 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:1632

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1948

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/1048-26-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1048-27-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1124-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1124-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-23-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1164-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1164-4-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1632-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/1632-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/1632-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1632-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/1632-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/1632-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1948-25-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-31-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1948-30-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/2068-5-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2068-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2068-13-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2068-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2068-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download