tinba | b06cf6c342511f65a0822e3808aa41be18871ee20260c5079157c8806a4ae8cd

Analysis

max time kernel
146s
max time network
140s
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 02:29

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General

Target

JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe
Size

34KB
MD5

011efb0bf17dfe4d91a7532d7754cf8c
SHA1

c20bcd1fe0ad60eb7dd41e5199983e4a76987a0c
SHA256

b06cf6c342511f65a0822e3808aa41be18871ee20260c5079157c8806a4ae8cd
SHA512

e79bc08dd7ae3c7e721722bad620c2a323fd326d8fbb82049c20afcd64563eab8fdd684dd6a3d067f3cf552642a932795d976f4127bea2b060d55a883d7af4dd
SSDEEP

768:8p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:8pYoX58z1uirL98xMWnT0OQ9J2

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\F99C239E = "C:\\Users\\Admin\\AppData\\Roaming\\F99C239E\\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/3632-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2328	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_011efb0bf17dfe4d91a7532d7754cf8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2328	winver.exe
2328	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 2328	3632	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	85
PID 3632 wrote to memory of 2328	3632	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	85
PID 3632 wrote to memory of 2328	3632	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	85
PID 3632 wrote to memory of 2328	3632	JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe	85
PID 2328 wrote to memory of 3444	2328	winver.exe	56
PID 2328 wrote to memory of 3028	2328	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_011efb0bf17dfe4d91a7532d7754cf8c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3632
- - 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:2328
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 352
      4⤵
      Program crash
      PID:2756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2328 -ip 2328
1⤵
PID:2996

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/2328-5-0x0000000077082000-0x0000000077083000-memory.dmp

Filesize
4KB

Download
memory/2328-14-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/2328-11-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/2328-7-0x00007FFFA91F0000-0x00007FFFA93E5000-memory.dmp

Filesize
2.0MB

Download
memory/3028-13-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFFA928D000-0x00007FFFA928E000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3632-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3632-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3632-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3632-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3632-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download