tinba | d0e367bc0a8a6a26f57182b6ce71eadb28cb888ccdafe6102a749aa19672902b

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2024, 16:01

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General

Target
fd20f71fc883bed9e8bc162ba5949bda_JaffaCakes118.exe
Size 49KB
Sample240420-tf93mscg41
SHA256 d0e367bc0a8a6a26f57182b6ce71eadb28cb888ccdafe6102a749aa19672902b
MD5 fd20f71fc883bed9e8bc162ba5949bda
SHA1 73e83248e55ecc382855530b0dabad11f96d69f2
SHA512 a927de77de8683124eb900143bbae39db97aae021e3e2ad301e1f4c89109db6742c5dfd6532a3916a82a5c67accc0adea3d207f4dc8b084d16161e4536756b45
SSDEEP 768:hCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9Jw:hbw/6plBTFBYNNR9Jw
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\54C81F2C = "C:\\Users\\Admin\\AppData\\Roaming\\54C81F2C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1656	3092	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3092	winver.exe
3092	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3092	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3364	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 3092	4900	fd20f71fc883bed9e8bc162ba5949bda_JaffaCakes118.exe	86
PID 4900 wrote to memory of 3092	4900	fd20f71fc883bed9e8bc162ba5949bda_JaffaCakes118.exe	86
PID 4900 wrote to memory of 3092	4900	fd20f71fc883bed9e8bc162ba5949bda_JaffaCakes118.exe	86
PID 4900 wrote to memory of 3092	4900	fd20f71fc883bed9e8bc162ba5949bda_JaffaCakes118.exe	86
PID 3092 wrote to memory of 3364	3092	winver.exe	56
PID 3092 wrote to memory of 2636	3092	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3364
- C:\Users\Admin\AppData\Local\Temp\fd20f71fc883bed9e8bc162ba5949bda_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fd20f71fc883bed9e8bc162ba5949bda_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 352
      4⤵
      Program crash
      PID:1656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3092 -ip 3092
1⤵
PID:3472

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2636-14-0x0000000000EA0000-0x0000000000EA6000-memory.dmp

Download

memory/2636-17-0x00007FFF1FA90000-0x00007FFF1FA91000-memory.dmp

Download

memory/3092-4-0x0000000002190000-0x0000000002196000-memory.dmp

Download

memory/3092-7-0x00000000001A0000-0x00000000001B2000-memory.dmp

Download

memory/3092-5-0x0000000077832000-0x0000000077833000-memory.dmp

Download

memory/3092-15-0x0000000002190000-0x0000000002196000-memory.dmp

Download

memory/3364-6-0x00007FFF1F90D000-0x00007FFF1F90E000-memory.dmp

Download

memory/3364-2-0x0000000002A50000-0x0000000002A56000-memory.dmp

Download

memory/3364-8-0x00007FFF1FAA0000-0x00007FFF1FAA1000-memory.dmp

Download

memory/3364-1-0x0000000002A50000-0x0000000002A56000-memory.dmp

Download

memory/4900-0-0x00000000006D0000-0x00000000006D1000-memory.dmp

Download

memory/4900-9-0x0000000000400000-0x0000000000411000-memory.dmp

Download

memory/4900-10-0x0000000002220000-0x0000000002C20000-memory.dmp

Download

memory/4900-3-0x0000000002220000-0x0000000002C20000-memory.dmp

Download