tinba | d5f1c0f6a5b9c1cd7e220f62cd8ae84e8d45d93eb957cf67c5a0a55fb1519792

Analysis

max time kernel
150s
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
31-12-2024 14:18

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General

Target

JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe
Size

34KB
MD5

21348879a9af9065c17c64952c2d2ffb
SHA1

d332e37c917a865b2ecbdb0d4ccf285b430a21ba
SHA256

d5f1c0f6a5b9c1cd7e220f62cd8ae84e8d45d93eb957cf67c5a0a55fb1519792
SHA512

c9515335412e9c098ccdcad8e3a9ba1b7616bea915f45ab49de680cd1155cdd98dca78cf34bfcc62caced400b117ddda379efc8e3fc34253371eb33b5c9c81fb
SSDEEP

768:zp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:zpYoX58z1uirL98xMWnT0OQ9J2

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\9E658DE0 = "C:\\Users\\Admin\\AppData\\Roaming\\9E658DE0\\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/4332-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
644	3152	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_21348879a9af9065c17c64952c2d2ffb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3152	winver.exe
3152	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3152	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 3152	4332	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	83
PID 4332 wrote to memory of 3152	4332	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	83
PID 4332 wrote to memory of 3152	4332	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	83
PID 4332 wrote to memory of 3152	4332	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	83
PID 3152 wrote to memory of 3528	3152	winver.exe	56
PID 3152 wrote to memory of 2720	3152	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2720

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4332
- - 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:3152
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 352
      4⤵
      Program crash
      PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3152 -ip 3152
1⤵
PID:2704

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/2720-13-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/3152-5-0x00000000777B2000-0x00000000777B3000-memory.dmp

Filesize
4KB

Download
memory/3152-14-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/3152-11-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/3152-7-0x00007FFD96130000-0x00007FFD96325000-memory.dmp

Filesize
2.0MB

Download
memory/3528-3-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download
memory/3528-6-0x00007FFD961CD000-0x00007FFD961CE000-memory.dmp

Filesize
4KB

Download
memory/3528-2-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download
memory/4332-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/4332-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4332-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/4332-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4332-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download