tinba | fd24825352492874b891f2ff470a0780c76616cf726d64f449b097219f4c4c41

Analysis

max time kernel
130s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2024, 23:20

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General

Target
473838310abed3fe140532c622441966_JaffaCakes118.exe
Size 160KB
Sample240714-3blc6azbnf
SHA256 fd24825352492874b891f2ff470a0780c76616cf726d64f449b097219f4c4c41
MD5 473838310abed3fe140532c622441966
SHA1 bd29d033aec0638e645da3b189869fc26f4725cf
SHA512 3a0806f3638d178d2a7db3f990ee8e0c3f61c3ac708408c232b3fcc85e5b08e392f598c0d9770be292d32019a8573859846ab7e0a830e0d07f2bf5e7b8e69805
SSDEEP 1536:YEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:bY+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4412-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A0C70C3D = "C:\\Users\\Admin\\AppData\\Roaming\\A0C70C3D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2308	3452	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3452	winver.exe
3452	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3452	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 3452	4412	473838310abed3fe140532c622441966_JaffaCakes118.exe	85
PID 4412 wrote to memory of 3452	4412	473838310abed3fe140532c622441966_JaffaCakes118.exe	85
PID 4412 wrote to memory of 3452	4412	473838310abed3fe140532c622441966_JaffaCakes118.exe	85
PID 4412 wrote to memory of 3452	4412	473838310abed3fe140532c622441966_JaffaCakes118.exe	85
PID 3452 wrote to memory of 3524	3452	winver.exe	56
PID 3452 wrote to memory of 2500	3452	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3524
- C:\Users\Admin\AppData\Local\Temp\473838310abed3fe140532c622441966_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\473838310abed3fe140532c622441966_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4412
- - 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:3452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 352
      4⤵
      Program crash
      PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3452 -ip 3452
1⤵
PID:1944

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/2500-15-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Download

memory/3452-5-0x0000000076F82000-0x0000000076F83000-memory.dmp

Download

memory/3452-16-0x00000000027A0000-0x00000000027A6000-memory.dmp

Download

memory/3452-13-0x00000000027A0000-0x00000000027A6000-memory.dmp

Download

memory/3452-7-0x00007FF9B7AF0000-0x00007FF9B7CE5000-memory.dmp

Download

memory/3524-2-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Download

memory/3524-6-0x00007FF9B7B8D000-0x00007FF9B7B8E000-memory.dmp

Download

memory/3524-8-0x00007FF9B7D20000-0x00007FF9B7D21000-memory.dmp

Download

memory/3524-3-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Download

memory/4412-4-0x0000000002350000-0x0000000002D50000-memory.dmp

Download

memory/4412-10-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/4412-11-0x0000000002350000-0x0000000002D50000-memory.dmp

Download

memory/4412-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/4412-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

Download