tinba | f48ae420b29483321a91ff10f0cab6ea8cca16d186638466481ec148c872cf36

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 19:58

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General

Target

JaffaCakes118_766ea3172f02753f4a4f747564371518.exe
Size

34KB
MD5

766ea3172f02753f4a4f747564371518
SHA1

b43ef8c082b572a513c93f6b2f3e750bbfab2e63
SHA256

f48ae420b29483321a91ff10f0cab6ea8cca16d186638466481ec148c872cf36
SHA512

434328419411e3ef114a6ec0dd8ecde0e620221d894d2fb96162f73ff20afe3ef6179970e429c147abe9b71e22d3252b939425f1c89f55b72ff60a89a423413b
SSDEEP

768:Bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:BpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B201B095 = "C:\\Users\\Admin\\AppData\\Roaming\\B201B095\\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/3280-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3272	1020	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_766ea3172f02753f4a4f747564371518.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1020	winver.exe
1020	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1020	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 1020	3280	JaffaCakes118_766ea3172f02753f4a4f747564371518.exe	83
PID 3280 wrote to memory of 1020	3280	JaffaCakes118_766ea3172f02753f4a4f747564371518.exe	83
PID 3280 wrote to memory of 1020	3280	JaffaCakes118_766ea3172f02753f4a4f747564371518.exe	83
PID 3280 wrote to memory of 1020	3280	JaffaCakes118_766ea3172f02753f4a4f747564371518.exe	83
PID 1020 wrote to memory of 3484	1020	winver.exe	56
PID 1020 wrote to memory of 2508	1020	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2508

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_766ea3172f02753f4a4f747564371518.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_766ea3172f02753f4a4f747564371518.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3280
- - 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:1020
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 352
      4⤵
      Program crash
      PID:3272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1020 -ip 1020
1⤵
PID:316

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/1020-5-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/1020-14-0x0000000001130000-0x0000000001136000-memory.dmp

Filesize
24KB

Download
memory/1020-11-0x0000000001130000-0x0000000001136000-memory.dmp

Filesize
24KB

Download
memory/1020-7-0x00007FF9B11D0000-0x00007FF9B13C5000-memory.dmp

Filesize
2.0MB

Download
memory/2508-13-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/3280-9-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3280-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3280-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3280-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3280-1-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/3484-6-0x00007FF9B126D000-0x00007FF9B126E000-memory.dmp

Filesize
4KB

Download
memory/3484-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/3484-3-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download