tinba | 7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b

Analysis

max time kernel
105s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 14:02

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General

Target

7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b.exe
Size

45KB
MD5

00498decc7d48bbadca86283494b2396
SHA1

247e02f5ff2ef72d2ebe9232c449a3ed1a500250
SHA256

7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b
SHA512

931c18658a735b237849dc2a9cf6d3bcf44a7376a8b5175e18d1b2bd5e58ee4dd3c2de9bbebb58751099fbb50853db7f7f91a9ea8351a301ff5fc8f244cd6f32
SSDEEP

768:JhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:TsWE9N5dFu53dsniQaB/xZ14n7zIF+qx

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\356616CB = "C:\\Users\\Admin\\AppData\\Roaming\\356616CB\\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/2336-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1164	3808	WerFault.exe	84

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	7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3808	winver.exe
3808	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3808	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 3808	2336	7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b.exe	84
PID 2336 wrote to memory of 3808	2336	7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b.exe	84
PID 2336 wrote to memory of 3808	2336	7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b.exe	84
PID 2336 wrote to memory of 3808	2336	7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b.exe	84
PID 3808 wrote to memory of 3432	3808	winver.exe	56
PID 3808 wrote to memory of 2540	3808	winver.exe	42

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b.exe
  "C:\Users\Admin\AppData\Local\Temp\7f3e474588bb41a571bfa13916fdf76d6fba54da4e7d2f010490067bea2f6d5b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2336
- - 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:3808
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3808 -s 352
      4⤵
      Program crash
      PID:1164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3808 -ip 3808
1⤵
PID:4048

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/2336-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2336-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2336-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2336-10-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2336-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2540-14-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFAE70ED000-0x00007FFAE70EE000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/3808-8-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

Filesize
2.0MB

Download
memory/3808-5-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/3808-6-0x0000000077BC2000-0x0000000077BC3000-memory.dmp

Filesize
4KB

Download
memory/3808-15-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download