tinba | 37ff62b9af34949712b54237143407fcec787df6bd5085549877334d6109ebdd

Analysis

max time kernel
134s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 21:53

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General

Target

adb3599368dc2e40fb16f012c3c84b29_JaffaCakes118.exe
Size

46KB
MD5

adb3599368dc2e40fb16f012c3c84b29
SHA1

a2af647b01acd1fa6e58f984a1f512d96b6689a8
SHA256

37ff62b9af34949712b54237143407fcec787df6bd5085549877334d6109ebdd
SHA512

a19707029af4eb8158ef753044d55f3537fefd02f4c86a8796e0127b51fe9c28a8b9555a26df4cfeae5e5da7fef2ed3cf7f7163cdbb39ff2d430c31dd7cfdcc2
SSDEEP

768:8twyMe0Jy8xwd117mrlI9m/xGuv4V7RMEnqt9jn2ACH3hLZ2HwCLlH:8twyedxwr1qUMv4VV6j2A83hVY

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0FF7049A = "C:\\Users\\Admin\\AppData\\Roaming\\0FF7049A\\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/2420-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3500	544	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	adb3599368dc2e40fb16f012c3c84b29_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
544	winver.exe
544	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
544	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 544	2420	adb3599368dc2e40fb16f012c3c84b29_JaffaCakes118.exe	84
PID 2420 wrote to memory of 544	2420	adb3599368dc2e40fb16f012c3c84b29_JaffaCakes118.exe	84
PID 2420 wrote to memory of 544	2420	adb3599368dc2e40fb16f012c3c84b29_JaffaCakes118.exe	84
PID 2420 wrote to memory of 544	2420	adb3599368dc2e40fb16f012c3c84b29_JaffaCakes118.exe	84
PID 544 wrote to memory of 3436	544	winver.exe	56
PID 544 wrote to memory of 3008	544	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3008

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\adb3599368dc2e40fb16f012c3c84b29_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\adb3599368dc2e40fb16f012c3c84b29_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - 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:544
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 356
      4⤵
      Program crash
      PID:3500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 544 -ip 544
1⤵
PID:4396

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/544-6-0x0000000077A22000-0x0000000077A23000-memory.dmp

Filesize
4KB

Download
memory/544-15-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/544-8-0x00007FFB656B0000-0x00007FFB658A5000-memory.dmp

Filesize
2.0MB

Download
memory/544-5-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/2420-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2420-4-0x00000000026B0000-0x00000000030B0000-memory.dmp

Filesize
10.0MB

Download
memory/2420-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2420-10-0x00000000026B0000-0x00000000030B0000-memory.dmp

Filesize
10.0MB

Download
memory/2420-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3008-14-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3008-16-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3436-7-0x00007FFB6574D000-0x00007FFB6574E000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download