tinba | 9ded7256eca2d54e87f0bbd42140029a29dc8280bce860f196c3a7090a24da1d

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 09:31

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General

Target

JaffaCakes118_4fdafed08e53e6a30899abe8ccd4c96c.exe
Size

89KB
MD5

4fdafed08e53e6a30899abe8ccd4c96c
SHA1

da33952db86f342f95385df9142ca08b2f357f6a
SHA256

9ded7256eca2d54e87f0bbd42140029a29dc8280bce860f196c3a7090a24da1d
SHA512

14bd23056be045a30ca5a95b296b15dec2f9603c98e2110cffea571a07b91baea26aa55fc3ac576d6e7f4bee890061d7ccbf6c35988da824294033a98291e3f8
SSDEEP

1536:Qr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:C+4MJIkLZJNAQ9Jo9e

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E5104C1C = "C:\\Users\\Admin\\AppData\\Roaming\\E5104C1C\\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/3344-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2908	4568	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	JaffaCakes118_4fdafed08e53e6a30899abe8ccd4c96c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4568	winver.exe
4568	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4568	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 4568	3344	JaffaCakes118_4fdafed08e53e6a30899abe8ccd4c96c.exe	84
PID 3344 wrote to memory of 4568	3344	JaffaCakes118_4fdafed08e53e6a30899abe8ccd4c96c.exe	84
PID 3344 wrote to memory of 4568	3344	JaffaCakes118_4fdafed08e53e6a30899abe8ccd4c96c.exe	84
PID 3344 wrote to memory of 4568	3344	JaffaCakes118_4fdafed08e53e6a30899abe8ccd4c96c.exe	84
PID 4568 wrote to memory of 3368	4568	winver.exe	56
PID 4568 wrote to memory of 2548	4568	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2548

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fdafed08e53e6a30899abe8ccd4c96c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4fdafed08e53e6a30899abe8ccd4c96c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3344
- - 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:4568
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 352
      4⤵
      Program crash
      PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4568 -ip 4568
1⤵
PID:1592

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/2548-13-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3344-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3344-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3344-9-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3344-4-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3344-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3368-2-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/3368-3-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/3368-6-0x00007FFB5F32D000-0x00007FFB5F32E000-memory.dmp

Filesize
4KB

Download
memory/4568-7-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/4568-5-0x0000000077042000-0x0000000077043000-memory.dmp

Filesize
4KB

Download
memory/4568-11-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/4568-14-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download