tinba | 8ddabe3e4b22dd83515e572b821fafcd678892fb0c02db95c2ad962be24c81e3

Analysis

max time kernel
146s
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
12-12-2024 07:08

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General

Target

e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe
Size

131KB
MD5

e5403e4e226cb01bfcc853abead128ea
SHA1

b6639a91758cc1d550b9bf8417c4c0ae5f686ab4
SHA256

8ddabe3e4b22dd83515e572b821fafcd678892fb0c02db95c2ad962be24c81e3
SHA512

25ee50e15f1073509e411be0044386faff032442d0e3e77938e7aad582214a2e4640cabd38c73680a9aa0d9d2e3cea97e7d25688b6ac191244dd2f53f0ea57d8
SSDEEP

1536:/Px+riFFG1A/m3wE/iVP9In2Zv4qjh+rmKK4cVSZj:FY8FE/MVIn2Z5jgq54c4d

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\DDBB9C5A = "C:\\Users\\Admin\\AppData\\Roaming\\DDBB9C5A\\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/3772-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2924	4020	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	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4020	winver.exe
4020	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4020	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3772 wrote to memory of 4020	3772	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	84
PID 3772 wrote to memory of 4020	3772	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	84
PID 3772 wrote to memory of 4020	3772	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	84
PID 3772 wrote to memory of 4020	3772	e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe	84
PID 4020 wrote to memory of 3456	4020	winver.exe	56
PID 4020 wrote to memory of 2676	4020	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2676

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e5403e4e226cb01bfcc853abead128ea_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3772
- - 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:4020
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 352
      4⤵
      Program crash
      PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4020 -ip 4020
1⤵
PID:3200

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/2676-14-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3456-7-0x00007FF9278AD000-0x00007FF9278AE000-memory.dmp

Filesize
4KB

Download
memory/3456-2-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3456-3-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3772-4-0x00000000026B0000-0x00000000030B0000-memory.dmp

Filesize
10.0MB

Download
memory/3772-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3772-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3772-10-0x00000000026B0000-0x00000000030B0000-memory.dmp

Filesize
10.0MB

Download
memory/3772-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/4020-6-0x0000000077072000-0x0000000077073000-memory.dmp

Filesize
4KB

Download
memory/4020-5-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/4020-8-0x00007FF927810000-0x00007FF927A05000-memory.dmp

Filesize
2.0MB

Download
memory/4020-15-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download