tinba | ee50df657f26082f921f12163a73ac54894ced9dafc584918c1c3ac2081aec1e

Analysis

max time kernel
146s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 02:04

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General

Target

JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe
Size

88KB
MD5

007858bb8636728bd564d4e82cf70b51
SHA1

96d607ffd5d1d2f69a844d37808a01fe3d51b980
SHA256

ee50df657f26082f921f12163a73ac54894ced9dafc584918c1c3ac2081aec1e
SHA512

e95e21727474bcbfad5b5e2bf9e8cd7ee32036c4bf3189c701247b0102cc5ca41f7d0b4e8698f8b22c147eaa8fd83476ad8b42f36f0aa9ccd94ee71f72c56af7
SSDEEP

1536:55nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:55fvp12UFKcD/6jwqWsN

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\30AB6558 = "C:\\Users\\Admin\\AppData\\Roaming\\30AB6558\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2104	1808	WerFault.exe	85

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_007858bb8636728bd564d4e82cf70b51.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1808	winver.exe
1808	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1808	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 1808	3228	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	85
PID 3228 wrote to memory of 1808	3228	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	85
PID 3228 wrote to memory of 1808	3228	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	85
PID 3228 wrote to memory of 1808	3228	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	85
PID 1808 wrote to memory of 3408	1808	winver.exe	56
PID 1808 wrote to memory of 2660	1808	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3408
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3228
- - 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:1808
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 352
      4⤵
      Program crash
      PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1808 -ip 1808
1⤵
PID:1352

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/1808-5-0x0000000076F42000-0x0000000076F43000-memory.dmp

Filesize
4KB

Download
memory/1808-4-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/1808-7-0x00007FFB52610000-0x00007FFB52805000-memory.dmp

Filesize
2.0MB

Download
memory/1808-14-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/2660-13-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3228-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3228-3-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3228-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3228-9-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/3408-1-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/3408-2-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/3408-6-0x00007FFB526AD000-0x00007FFB526AE000-memory.dmp

Filesize
4KB

Download