tinba | 9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 12:48

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General

Target

9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe
Size

45KB
MD5

3fad17be28ed27c872a826a49cd4be50
SHA1

c77ddabf1d5c9aa0d1eff9903ff444dca61bdfe0
SHA256

9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7
SHA512

c8f1394d2bcaed4d5091e9f0aff34476de987e25eb8603d48b523b262c6ebcf8da9275650dac4738ea150ecbac085aa43111705bc97c90a022047b0c8a40c240
SSDEEP

768:8hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:wsWE9N5dFu53dsniQaB/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

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\C3071675 = "C:\\Users\\Admin\\AppData\\Roaming\\C3071675\\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/3512-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3684	3256	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	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3256	winver.exe
3256	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
3256	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 3256	3512	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe	84
PID 3512 wrote to memory of 3256	3512	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe	84
PID 3512 wrote to memory of 3256	3512	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe	84
PID 3512 wrote to memory of 3256	3512	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe	84
PID 3256 wrote to memory of 3436	3256	winver.exe	56
PID 3256 wrote to memory of 2972	3256	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2972

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe
  "C:\Users\Admin\AppData\Local\Temp\9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3512
- - 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:3256
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 352
      4⤵
      Program crash
      PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3256 -ip 3256
1⤵
PID:3192

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/2972-11-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3256-4-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3256-9-0x0000000000B30000-0x0000000000B36000-memory.dmp

Filesize
24KB

Download
memory/3256-12-0x0000000000B30000-0x0000000000B36000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000001090000-0x0000000001096000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FFDA384D000-0x00007FFDA384E000-memory.dmp

Filesize
4KB

Download
memory/3436-6-0x00007FFDA39E0000-0x00007FFDA39E1000-memory.dmp

Filesize
4KB

Download
memory/3512-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3512-1-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3512-7-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download