tinba | 26c90122e896f9e48e2a319572cfaaba38af7570c5299d4d7ddc4e12a0fb95dc

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 18:27

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General

Target

JaffaCakes118_673e4ddecf084e93223532306d615c41.exe
Size

160KB
MD5

673e4ddecf084e93223532306d615c41
SHA1

5a7d1853a8bef9e993e87898c3d7938df10304ee
SHA256

26c90122e896f9e48e2a319572cfaaba38af7570c5299d4d7ddc4e12a0fb95dc
SHA512

875e4dc46258ca0d2013c8d795ed469573662551fbf45525f275d0fc386d3b6891f8f7e89fbb53adbd5f2d16079622b7de1ceb6066fc437ded8e9915c29bbd8f
SSDEEP

1536:kEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:XY+4MiIkLZJNAQ9J6v

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B0D68311 = "C:\\Users\\Admin\\AppData\\Roaming\\B0D68311\\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/1464-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2268	232	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_673e4ddecf084e93223532306d615c41.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
232	winver.exe
232	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
232	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 232	1464	JaffaCakes118_673e4ddecf084e93223532306d615c41.exe	84
PID 1464 wrote to memory of 232	1464	JaffaCakes118_673e4ddecf084e93223532306d615c41.exe	84
PID 1464 wrote to memory of 232	1464	JaffaCakes118_673e4ddecf084e93223532306d615c41.exe	84
PID 1464 wrote to memory of 232	1464	JaffaCakes118_673e4ddecf084e93223532306d615c41.exe	84
PID 232 wrote to memory of 3452	232	winver.exe	56
PID 232 wrote to memory of 3040	232	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3040

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_673e4ddecf084e93223532306d615c41.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_673e4ddecf084e93223532306d615c41.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1464
- - 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:232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 352
      4⤵
      Program crash
      PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 232 -ip 232
1⤵
PID:4372

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/232-11-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/232-14-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/232-5-0x0000000077882000-0x0000000077883000-memory.dmp

Filesize
4KB

Download
memory/232-7-0x00007FFEED090000-0x00007FFEED285000-memory.dmp

Filesize
2.0MB

Download
memory/1464-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/1464-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1464-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/1464-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1464-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3040-13-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FFEED12D000-0x00007FFEED12E000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download