tinba | dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 15:36

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General

Target

JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe
Size

89KB
MD5

5a97d7b03b718441c0ffe79f9b03175b
SHA1

746621849c1d0341a2ad5dfc015167a576814e23
SHA256

dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401
SHA512

d598cbd72d9d23a7c46d5dd693922e51dc690b593b233d3bf277206e1e028a52527574a9355e64e50fff126f4e98364de0c79da1d68c80786fa7512182f64849
SSDEEP

1536:Hr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:L+4MJIkLZJNAQ9Jo9e

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4C3903E9 = "C:\\Users\\Admin\\AppData\\Roaming\\4C3903E9\\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/512-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4316	2356	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2356	winver.exe
2356	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 512 wrote to memory of 2356	512	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	84
PID 512 wrote to memory of 2356	512	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	84
PID 512 wrote to memory of 2356	512	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	84
PID 512 wrote to memory of 2356	512	JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe	84
PID 2356 wrote to memory of 3432	2356	winver.exe	56
PID 2356 wrote to memory of 3000	2356	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a97d7b03b718441c0ffe79f9b03175b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:512
- - 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:2356
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 352
      4⤵
      Program crash
      PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2356 -ip 2356
1⤵
PID:1548

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/512-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/512-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/512-10-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/512-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/512-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2356-5-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/2356-7-0x00007FFE82690000-0x00007FFE82885000-memory.dmp

Filesize
2.0MB

Download
memory/2356-12-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/2356-15-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3000-14-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3000-16-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFE8272D000-0x00007FFE8272E000-memory.dmp

Filesize
4KB

Download
memory/3432-8-0x00007FFE8272C000-0x00007FFE8272D000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download