tinba | 51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239

Analysis

max time kernel
146s
max time network
95s
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 17:14

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General

Target

JaffaCakes118_2abb82a00fb206277d588410c82c50cb.exe
Size

34KB
MD5

2abb82a00fb206277d588410c82c50cb
SHA1

7f46c54ccaf3693772478b2ef414dade96ff4be0
SHA256

51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239
SHA512

44dbd0a08dd5419725abf47fd17110e310c381e8a8eeed4c28bd9458bd774eb7cd78b8e684ca9ebb35a7fa4e2528b3693cb5a3709dacfad5352bfe5ed7400531
SSDEEP

768:Ump22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:5pYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1179690E = "C:\\Users\\Admin\\AppData\\Roaming\\1179690E\\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/2572-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3796	4452	WerFault.exe	84

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_2abb82a00fb206277d588410c82c50cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4452	winver.exe
4452	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4452	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 4452	2572	JaffaCakes118_2abb82a00fb206277d588410c82c50cb.exe	84
PID 2572 wrote to memory of 4452	2572	JaffaCakes118_2abb82a00fb206277d588410c82c50cb.exe	84
PID 2572 wrote to memory of 4452	2572	JaffaCakes118_2abb82a00fb206277d588410c82c50cb.exe	84
PID 2572 wrote to memory of 4452	2572	JaffaCakes118_2abb82a00fb206277d588410c82c50cb.exe	84
PID 4452 wrote to memory of 3556	4452	winver.exe	56
PID 4452 wrote to memory of 2656	4452	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2abb82a00fb206277d588410c82c50cb.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2abb82a00fb206277d588410c82c50cb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2572
- - 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:4452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 352
      4⤵
      Program crash
      PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4452 -ip 4452
1⤵
PID:468

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/2572-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2572-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2572-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2572-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2572-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2656-13-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3556-3-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-2-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-5-0x00007FF9F7BED000-0x00007FF9F7BEE000-memory.dmp

Filesize
4KB

Download
memory/4452-6-0x00007FF9F7B50000-0x00007FF9F7D45000-memory.dmp

Filesize
2.0MB

Download
memory/4452-11-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/4452-14-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download