tinba | de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf

Analysis

max time kernel
106s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 11:36

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General

Target

de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf.exe
Size

45KB
MD5

53e9c3b4089e3b221d6f462401c62b49
SHA1

fd8977631727a8e6418b852529fcad60e557e41f
SHA256

de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf
SHA512

403a5e009cd18c3baddb6f4683d9fdecbb8e6f434f5b79e357d0499314aff87a461e2da5da92958f0d983696ab20d1560916f42433666ce1c82e4a50d194a159
SSDEEP

768:ThP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2v:FsWE9N5dFu53dsniQaB/xZ14n7zIF+qb

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\2D311662 = "C:\\Users\\Admin\\AppData\\Roaming\\2D311662\\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/4804-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	3620	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	de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3620	winver.exe
3620	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3620	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 3620	4804	de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf.exe	84
PID 4804 wrote to memory of 3620	4804	de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf.exe	84
PID 4804 wrote to memory of 3620	4804	de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf.exe	84
PID 4804 wrote to memory of 3620	4804	de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf.exe	84
PID 3620 wrote to memory of 3556	3620	winver.exe	56
PID 3620 wrote to memory of 2664	3620	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf.exe
  "C:\Users\Admin\AppData\Local\Temp\de7392f2af3fbcbee5954cd6032796f34dc838077fda0a30cecbb3c882c6b1cf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4804
- - 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:3620
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 352
      4⤵
      Program crash
      PID:2952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3620 -ip 3620
1⤵
PID:2428

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/2664-13-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3556-6-0x00007FFE1F66D000-0x00007FFE1F66E000-memory.dmp

Filesize
4KB

Download
memory/3556-2-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/3556-3-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/3620-5-0x0000000077B52000-0x0000000077B53000-memory.dmp

Filesize
4KB

Download
memory/3620-7-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp

Filesize
2.0MB

Download
memory/3620-11-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/3620-14-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/4804-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4804-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4804-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4804-9-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4804-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download