tinba | 685f9989c1e6e50d48238c4cd0c6dfafdf9a7ecbdb64ba9359bca6a240e4eb53

Analysis

max time kernel
136s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 14:30

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General

Target

JaffaCakes118_684b6209b8ca11659ee38adb779c04e7.exe
Size

160KB
MD5

684b6209b8ca11659ee38adb779c04e7
SHA1

f2e025b16a3aa839967563f57aac8c8678551cb7
SHA256

685f9989c1e6e50d48238c4cd0c6dfafdf9a7ecbdb64ba9359bca6a240e4eb53
SHA512

e97224e65226fe58929137d014aecf631f54ef148106a96eb21cd55fce61ca73710d7d6f4e8ce3d4af682737ec7cc48a608f8812d6f83757bbcd3e6d8bb65767
SSDEEP

1536:PEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:8Y+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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A3AD0B1D = "C:\\Users\\Admin\\AppData\\Roaming\\A3AD0B1D\\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/2556-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3028	4444	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_684b6209b8ca11659ee38adb779c04e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4444	winver.exe
4444	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4444	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 4444	2556	JaffaCakes118_684b6209b8ca11659ee38adb779c04e7.exe	84
PID 2556 wrote to memory of 4444	2556	JaffaCakes118_684b6209b8ca11659ee38adb779c04e7.exe	84
PID 2556 wrote to memory of 4444	2556	JaffaCakes118_684b6209b8ca11659ee38adb779c04e7.exe	84
PID 2556 wrote to memory of 4444	2556	JaffaCakes118_684b6209b8ca11659ee38adb779c04e7.exe	84
PID 4444 wrote to memory of 3512	4444	winver.exe	56
PID 4444 wrote to memory of 2636	4444	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3512
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_684b6209b8ca11659ee38adb779c04e7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_684b6209b8ca11659ee38adb779c04e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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:4444
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 352
      4⤵
      Program crash
      PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4444 -ip 4444
1⤵
PID:2268

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/2556-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2556-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2556-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2556-4-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/2556-9-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/2636-13-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/3512-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3512-6-0x00007FF8CA76D000-0x00007FF8CA76E000-memory.dmp

Filesize
4KB

Download
memory/3512-3-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/4444-7-0x00007FF8CA6D0000-0x00007FF8CA8C5000-memory.dmp

Filesize
2.0MB

Download
memory/4444-5-0x0000000077172000-0x0000000077173000-memory.dmp

Filesize
4KB

Download
memory/4444-11-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/4444-14-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download