tinba | 5a971657c54220e2c979c4a86935e3fcfd2b85ea82662770c6ca30d1e959dc2b

Analysis

max time kernel
143s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 22:34

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General

Target

JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe
Size

34KB
MD5

7c7b50b79af9f9d0d1d302cb59c9004a
SHA1

122bc84c04d1b09d7dac9e9439870d2c59f1fab6
SHA256

5a971657c54220e2c979c4a86935e3fcfd2b85ea82662770c6ca30d1e959dc2b
SHA512

6eab1fba02949f819c03256df6230e121972d9b513cde881b4b640c76a6803966b1ee560cef4fff681c819892e3c44020c44fe7224033e23c2594a330c10980e
SSDEEP

768:Qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:QpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0CAC34E9 = "C:\\Users\\Admin\\AppData\\Roaming\\0CAC34E9\\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/3432-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
876	4864	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_7c7b50b79af9f9d0d1d302cb59c9004a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4864	winver.exe
4864	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4864	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3432 wrote to memory of 4864	3432	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	83
PID 3432 wrote to memory of 4864	3432	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	83
PID 3432 wrote to memory of 4864	3432	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	83
PID 3432 wrote to memory of 4864	3432	JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe	83
PID 4864 wrote to memory of 3572	4864	winver.exe	56
PID 4864 wrote to memory of 2584	4864	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2584

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3572
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c7b50b79af9f9d0d1d302cb59c9004a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3432
- - 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:4864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 352
      4⤵
      Program crash
      PID:876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4864 -ip 4864
1⤵
PID:1736

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/2584-13-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/3432-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3432-1-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/3432-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3432-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/3432-9-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/3572-2-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/3572-6-0x00007FFC9CC4D000-0x00007FFC9CC4E000-memory.dmp

Filesize
4KB

Download
memory/3572-3-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/4864-5-0x0000000077752000-0x0000000077753000-memory.dmp

Filesize
4KB

Download
memory/4864-7-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/4864-11-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/4864-14-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download