tinba | 73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c

Analysis

max time kernel
137s
max time network
144s
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 00:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_81872ea52de55eb351b7d52e953d7a5f.exe
Size

34KB
MD5

81872ea52de55eb351b7d52e953d7a5f
SHA1

60eabc0c75ee3b8a554e205ea8c7bd7a18ed77a8
SHA256

73deb6fc408b72da99cd831db55a06a92230c6f834e3cf31fd8854bd6b93d68c
SHA512

e7c1e17a6a7f00718e38a6802ecf117d263a42fe97672c1ec87a8f7350620eb6a93c87106f459c311dad85540b7e5235962ca75dba671b77825e90dd10a7bee6
SSDEEP

768:tp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:tpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\71D6E72D = "C:\\Users\\Admin\\AppData\\Roaming\\71D6E72D\\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/4484-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
760	4572	WerFault.exe	83

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_81872ea52de55eb351b7d52e953d7a5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4572	winver.exe
4572	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4572	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 4572	4484	JaffaCakes118_81872ea52de55eb351b7d52e953d7a5f.exe	83
PID 4484 wrote to memory of 4572	4484	JaffaCakes118_81872ea52de55eb351b7d52e953d7a5f.exe	83
PID 4484 wrote to memory of 4572	4484	JaffaCakes118_81872ea52de55eb351b7d52e953d7a5f.exe	83
PID 4484 wrote to memory of 4572	4484	JaffaCakes118_81872ea52de55eb351b7d52e953d7a5f.exe	83
PID 4572 wrote to memory of 3468	4572	winver.exe	56
PID 4572 wrote to memory of 2872	4572	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2872

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3468
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81872ea52de55eb351b7d52e953d7a5f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81872ea52de55eb351b7d52e953d7a5f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4484
- - 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:4572
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 352
      4⤵
      Program crash
      PID:760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4572 -ip 4572
1⤵
PID:4296

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

Loading Replay Monitor...

Downloads

memory/2872-13-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/3468-6-0x00007FFD2908D000-0x00007FFD2908E000-memory.dmp

Filesize
4KB

Download
memory/3468-2-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3468-3-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/4484-9-0x00000000020B0000-0x0000000002AB0000-memory.dmp

Filesize
10.0MB

Download
memory/4484-4-0x00000000020B0000-0x0000000002AB0000-memory.dmp

Filesize
10.0MB

Download
memory/4484-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4484-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4484-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/4572-5-0x0000000077642000-0x0000000077643000-memory.dmp

Filesize
4KB

Download
memory/4572-7-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp

Filesize
2.0MB

Download
memory/4572-11-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download
memory/4572-14-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download