tinba | 6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63

Analysis

max time kernel
117s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3E642D4D = "C:\\Users\\Admin\\AppData\\Roaming\\3E642D4D\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4312-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2980	4148	WerFault.exe	85

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	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4148	winver.exe
4148	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4148	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 4148	4312	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	85
PID 4312 wrote to memory of 4148	4312	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	85
PID 4312 wrote to memory of 4148	4312	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	85
PID 4312 wrote to memory of 4148	4312	6ffc3243b05fbac759de7a760213b24715983c39d4fa24a3419517de0346ba63.exe	85
PID 4148 wrote to memory of 3436	4148	winver.exe	56
PID 4148 wrote to memory of 2940	4148	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2940

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- 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:4312
- - 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:4148
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 352
      4⤵
      Program crash
      PID:2980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4148 -ip 4148
1⤵
PID:4224

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/2940-14-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFB79C4D000-0x00007FFB79C4E000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/4148-5-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/4148-7-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/4148-12-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/4148-15-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/4312-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4312-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4312-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4312-10-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4312-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download