tinba | d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1

Analysis

max time kernel
107s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 16:14

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General

Target

d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe
Size

45KB
MD5

93683fce3fd51423368161a68defda40
SHA1

02c91599a680b79750700926c1f415f2bb53caa7
SHA256

d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1
SHA512

bb31bf91a14ea333fb4154aa4f91278af357ed5919ad1ab25d7618fc1a0729ce7ace7164a2d496968b489a8e3981ffe8c39d18a89771c61627c0be8071865ba1
SSDEEP

768:EhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:osWE9N5dFu53dsniQaB/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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\45BAA317 = "C:\\Users\\Admin\\AppData\\Roaming\\45BAA317\\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/3456-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3900	836	WerFault.exe	83

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	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
836	winver.exe
836	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
836	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 836	3456	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	83
PID 3456 wrote to memory of 836	3456	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	83
PID 3456 wrote to memory of 836	3456	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	83
PID 3456 wrote to memory of 836	3456	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	83
PID 836 wrote to memory of 3424	836	winver.exe	56
PID 836 wrote to memory of 2940	836	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:3424
- C:\Users\Admin\AppData\Local\Temp\d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe
  "C:\Users\Admin\AppData\Local\Temp\d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3456
- - 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:836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 352
      4⤵
      Program crash
      PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 836 -ip 836
1⤵
PID:2300

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/836-6-0x0000000077872000-0x0000000077873000-memory.dmp

Filesize
4KB

Download
memory/836-15-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/836-8-0x00007FF8FAFD0000-0x00007FF8FB1C5000-memory.dmp

Filesize
2.0MB

Download
memory/836-5-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/2940-14-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/3424-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3424-7-0x00007FF8FB06D000-0x00007FF8FB06E000-memory.dmp

Filesize
4KB

Download
memory/3424-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3456-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/3456-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3456-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3456-10-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/3456-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download