tinba | 9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868c

Analysis

max time kernel
117s
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
08-01-2025 10:02

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General

Target

9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe
Size

45KB
MD5

209413881e57071325923123b21ade70
SHA1

f6e599f6109f3cf7bd6f7729103bc8f8542c125c
SHA256

9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868c
SHA512

36664ef157fae77d583518e308e2ac39264b54ab1efc6825d2fe13ac845dbd88a57a993bbab0993fc1e78d1bebeb804dc6c41ef72e41f57c444fc0f8a10f9f01
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\16E6E5CD = "C:\\Users\\Admin\\AppData\\Roaming\\16E6E5CD\\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/4668-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	2004	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	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2004	winver.exe
2004	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2004	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 2004	4668	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	84
PID 4668 wrote to memory of 2004	4668	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	84
PID 4668 wrote to memory of 2004	4668	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	84
PID 4668 wrote to memory of 2004	4668	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	84
PID 2004 wrote to memory of 3568	2004	winver.exe	56
PID 2004 wrote to memory of 2520	2004	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2520

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3568
- C:\Users\Admin\AppData\Local\Temp\9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe
  "C:\Users\Admin\AppData\Local\Temp\9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4668
- - 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:2004
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 352
      4⤵
      Program crash
      PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2004 -ip 2004
1⤵
PID:3564

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/2004-5-0x0000000077472000-0x0000000077473000-memory.dmp

Filesize
4KB

Download
memory/2004-14-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/2004-11-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/2004-7-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/2520-13-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3568-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3568-6-0x00007FFFB712D000-0x00007FFFB712E000-memory.dmp

Filesize
4KB

Download
memory/3568-3-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/4668-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/4668-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4668-9-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/4668-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4668-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download