tinba | 9e1d095497174e0cdd66d254711696c0c38634784e992ec72fdd41822de033f0

Analysis

max time kernel
149s
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
19-10-2024 02:25

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General

Target

5a64f7f9c2b84fdc991038fd5603bcaf_JaffaCakes118.exe
Size

49KB
MD5

5a64f7f9c2b84fdc991038fd5603bcaf
SHA1

f62518cdca71ec6483fed9f287419ad913c304d5
SHA256

9e1d095497174e0cdd66d254711696c0c38634784e992ec72fdd41822de033f0
SHA512

41704358fcda928ea7fd0ab0d083aeaa5fc14c26c9d3113a2a22ebb22696ccb91931cdf047b6afe76ea3322a62a098738168fc2a04a51f900c26c001860b99cc
SSDEEP

768:NCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9Jw:1bw/6plBTFBYNNR9Jw

Score

10^/10

tinba banker discovery 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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9BD1B5CF = "C:\\Users\\Admin\\AppData\\Roaming\\9BD1B5CF\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	2904	WerFault.exe	85

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	5a64f7f9c2b84fdc991038fd5603bcaf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2904	winver.exe
2904	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3464	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 2904	4016	5a64f7f9c2b84fdc991038fd5603bcaf_JaffaCakes118.exe	85
PID 4016 wrote to memory of 2904	4016	5a64f7f9c2b84fdc991038fd5603bcaf_JaffaCakes118.exe	85
PID 4016 wrote to memory of 2904	4016	5a64f7f9c2b84fdc991038fd5603bcaf_JaffaCakes118.exe	85
PID 4016 wrote to memory of 2904	4016	5a64f7f9c2b84fdc991038fd5603bcaf_JaffaCakes118.exe	85
PID 2904 wrote to memory of 3464	2904	winver.exe	56
PID 2904 wrote to memory of 2664	2904	winver.exe	48

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3464
- C:\Users\Admin\AppData\Local\Temp\5a64f7f9c2b84fdc991038fd5603bcaf_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5a64f7f9c2b84fdc991038fd5603bcaf_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4016
- - 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:2904
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 352
      4⤵
      Program crash
      PID:2328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2904 -ip 2904
1⤵
PID:2692

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/2664-12-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2664-16-0x00007FFD04D10000-0x00007FFD04D11000-memory.dmp

Filesize
4KB

Download
memory/2904-10-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/2904-4-0x0000000077582000-0x0000000077583000-memory.dmp

Filesize
4KB

Download
memory/2904-6-0x00007FFD04AF0000-0x00007FFD04CE5000-memory.dmp

Filesize
2.0MB

Download
memory/2904-13-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/3464-5-0x00007FFD04B8D000-0x00007FFD04B8E000-memory.dmp

Filesize
4KB

Download
memory/3464-1-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download
memory/3464-15-0x00007FFD04D20000-0x00007FFD04D21000-memory.dmp

Filesize
4KB

Download
memory/3464-2-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download
memory/4016-3-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/4016-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4016-8-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/4016-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download