tinba | 694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3a

Analysis

max time kernel
102s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 11:12

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General

Target

694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe
Size

45KB
MD5

0ef3691bc3f92ad711fbb7b947fc0ee0
SHA1

573d742fe83b029c70f3929118c44cb95ec59e31
SHA256

694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3a
SHA512

e311748630c1b66d8ffa7a4f95c03fcd73c772e56299243a9117753906238cb0bcd797866b961f46e167bb18dd18dbad4052a757c50621bb5474439db8948921
SSDEEP

768:ehP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:ysWE9N5dFu53dsniQaB/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
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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\65458250 = "C:\\Users\\Admin\\AppData\\Roaming\\65458250\\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/2136-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2652	976	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	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
976	winver.exe
976	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
976	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 976	2136	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	84
PID 2136 wrote to memory of 976	2136	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	84
PID 2136 wrote to memory of 976	2136	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	84
PID 2136 wrote to memory of 976	2136	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	84
PID 976 wrote to memory of 3408	976	winver.exe	56
PID 976 wrote to memory of 2596	976	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3408
- C:\Users\Admin\AppData\Local\Temp\694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe
  "C:\Users\Admin\AppData\Local\Temp\694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2136
- - 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:976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 352
      4⤵
      Program crash
      PID:2652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 976 -ip 976
1⤵
PID:632

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/976-5-0x0000000077E12000-0x0000000077E13000-memory.dmp

Filesize
4KB

Download
memory/976-15-0x0000000002CA0000-0x0000000002CA6000-memory.dmp

Filesize
24KB

Download
memory/976-12-0x0000000002CA0000-0x0000000002CA6000-memory.dmp

Filesize
24KB

Download
memory/976-7-0x00007FFE62070000-0x00007FFE62265000-memory.dmp

Filesize
2.0MB

Download
memory/2136-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2136-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2136-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2136-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2136-1-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/2596-14-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3408-6-0x00007FFE6210D000-0x00007FFE6210E000-memory.dmp

Filesize
4KB

Download
memory/3408-2-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3408-3-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download