tinba | 83e22e8780eea945eaca041a1ad45e5dc83a286d9366dc9c4b15bf68a9c4a758

Analysis

max time kernel
149s
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
10/01/2025, 16:23

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General

Target

JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe
Size

36KB
MD5

e8ba29eed7f3314d0aa91bb9a112aa93
SHA1

3a2fe759163491954117ce29f282c2fc013a5d81
SHA256

83e22e8780eea945eaca041a1ad45e5dc83a286d9366dc9c4b15bf68a9c4a758
SHA512

bb3eacb6548795c241ab437eba5a1d25a969e1a8cbcfd8b6cf7bd975f78cfdaaaf3bac9b42e6c234764c6006b9e183731f160be8d1c8f8b698cc836953cbcf1e
SSDEEP

768:3p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:3pYoX58z1uirL98xMWnT0OQ9J

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C25CD331 = "C:\\Users\\Admin\\AppData\\Roaming\\C25CD331\\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/2624-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4980	4808	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_e8ba29eed7f3314d0aa91bb9a112aa93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4808	winver.exe
4808	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4808	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 4808	2624	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	84
PID 2624 wrote to memory of 4808	2624	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	84
PID 2624 wrote to memory of 4808	2624	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	84
PID 2624 wrote to memory of 4808	2624	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	84
PID 4808 wrote to memory of 3440	4808	winver.exe	56
PID 4808 wrote to memory of 2632	4808	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2624
- - 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:4808
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 352
      4⤵
      Program crash
      PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4808 -ip 4808
1⤵
PID:3628

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/2624-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2624-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2624-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2624-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2624-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2632-13-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3440-2-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3440-6-0x00007FFD2A1ED000-0x00007FFD2A1EE000-memory.dmp

Filesize
4KB

Download
memory/3440-3-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/4808-7-0x00007FFD2A150000-0x00007FFD2A345000-memory.dmp

Filesize
2.0MB

Download
memory/4808-5-0x0000000077312000-0x0000000077313000-memory.dmp

Filesize
4KB

Download
memory/4808-11-0x0000000001290000-0x0000000001296000-memory.dmp

Filesize
24KB

Download
memory/4808-14-0x0000000001290000-0x0000000001296000-memory.dmp

Filesize
24KB

Download