tinba | ac2787c4dd83f872810f4cfbf188efbf1b974a9bc97a13b7a5271424de5622e5

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2025, 17:48

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General

Target

JaffaCakes118_ea4d3aff188f869dc0f57b04a5457f03.exe
Size

160KB
MD5

ea4d3aff188f869dc0f57b04a5457f03
SHA1

4cf117fcec69f24f7d8a146cd5ddf96f3a579b21
SHA256

ac2787c4dd83f872810f4cfbf188efbf1b974a9bc97a13b7a5271424de5622e5
SHA512

e1c3454096365f4fb01c31d0c4296b2dfb0508ba129513d86c4c5790f0eaa5081c046415d0b6f7f335f49115d92377670ac11f190ca443ebf802c3f91ec92cd5
SSDEEP

1536:DEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:AY+4MiIkLZJNAQ9J6v

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1FBDFB08 = "C:\\Users\\Admin\\AppData\\Roaming\\1FBDFB08\\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/4804-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4580	3512	WerFault.exe	86

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ea4d3aff188f869dc0f57b04a5457f03.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3512	winver.exe
3512	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3512	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 3512	4804	JaffaCakes118_ea4d3aff188f869dc0f57b04a5457f03.exe	86
PID 4804 wrote to memory of 3512	4804	JaffaCakes118_ea4d3aff188f869dc0f57b04a5457f03.exe	86
PID 4804 wrote to memory of 3512	4804	JaffaCakes118_ea4d3aff188f869dc0f57b04a5457f03.exe	86
PID 4804 wrote to memory of 3512	4804	JaffaCakes118_ea4d3aff188f869dc0f57b04a5457f03.exe	86
PID 3512 wrote to memory of 3452	3512	winver.exe	56
PID 3512 wrote to memory of 2616	3512	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea4d3aff188f869dc0f57b04a5457f03.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea4d3aff188f869dc0f57b04a5457f03.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:3512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 352
      4⤵
      Program crash
      PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3512 -ip 3512
1⤵
PID:3128

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/2616-13-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FF8DCA8D000-0x00007FF8DCA8E000-memory.dmp

Filesize
4KB

Download
memory/3452-2-0x00000000010C0000-0x00000000010C6000-memory.dmp

Filesize
24KB

Download
memory/3452-3-0x00000000010C0000-0x00000000010C6000-memory.dmp

Filesize
24KB

Download
memory/3512-5-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/3512-7-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/3512-11-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/3512-14-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/4804-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4804-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4804-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4804-9-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4804-1-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download