tinba | 4de5024328bda9df588b1cb441ae904446bae07f96e21441deb78947a11e54c0

Analysis

max time kernel
150s
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
06/01/2025, 07:53

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General

Target

JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe
Size

34KB
MD5

17767858279ab2ce7b8025d8353ddd9e
SHA1

dd82a2421782a1a8a58e3be37b264b21a28c16d5
SHA256

4de5024328bda9df588b1cb441ae904446bae07f96e21441deb78947a11e54c0
SHA512

ca5397aa81ae7e2e4d3f7f906382084710dc0874937f079d7d4d1f77f5020e1b579a0cf12cdc58e27ea606c4f411dee1acfa5365105279fcd242c5ef16183b3e
SSDEEP

768:4p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:4pYoX58z1uirL98xMWnT0OQ9J2

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\A577DAF5 = "C:\\Users\\Admin\\AppData\\Roaming\\A577DAF5\\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/4120-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1020	2104	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_17767858279ab2ce7b8025d8353ddd9e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2104	winver.exe
2104	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2104	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 2104	4120	JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe	83
PID 4120 wrote to memory of 2104	4120	JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe	83
PID 4120 wrote to memory of 2104	4120	JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe	83
PID 4120 wrote to memory of 2104	4120	JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe	83
PID 2104 wrote to memory of 3532	2104	winver.exe	56
PID 2104 wrote to memory of 2596	2104	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17767858279ab2ce7b8025d8353ddd9e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4120
- - 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:2104
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 352
      4⤵
      Program crash
      PID:1020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2104 -ip 2104
1⤵
PID:1120

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/2104-6-0x0000000077582000-0x0000000077583000-memory.dmp

Filesize
4KB

Download
memory/2104-15-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/2104-8-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/2104-5-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/2596-14-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/3532-7-0x00007FFD0B3ED000-0x00007FFD0B3EE000-memory.dmp

Filesize
4KB

Download
memory/3532-2-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download
memory/3532-3-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download
memory/4120-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4120-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4120-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4120-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4120-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download