aa008a49cbf122c0aa1f7a965b9719929da90715f87434f38aba4c20c53dcc75

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 06:50

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General

Target

2cbd97b186f3c289a2435319c464abea_JaffaCakes118.exe
Size

120KB
MD5

2cbd97b186f3c289a2435319c464abea
SHA1

9ed8d0cecd0ff7af514c501478346bb4e3ee9138
SHA256

aa008a49cbf122c0aa1f7a965b9719929da90715f87434f38aba4c20c53dcc75
SHA512

ef0ed311666bf0a3ab35b58126428328fc9ca419c2d79a755937fdccc4faaa86227568bcb1385ef15f4c118476c21471cdd9e742d2d7b045c870d65518e9985a
SSDEEP

3072:mTtYzJDNmf85HY4MOv2Hrl95aUXbVqq3jQy:ZBzHAvHtz5qu9

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
3540	rundll32.exe
4572	rundll32.exe

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Egeba = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\wsvicer.dll\",Startup"	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	2cbd97b186f3c289a2435319c464abea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe
3540	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 3540	3396	2cbd97b186f3c289a2435319c464abea_JaffaCakes118.exe	85
PID 3396 wrote to memory of 3540	3396	2cbd97b186f3c289a2435319c464abea_JaffaCakes118.exe	85
PID 3396 wrote to memory of 3540	3396	2cbd97b186f3c289a2435319c464abea_JaffaCakes118.exe	85
PID 3540 wrote to memory of 4572	3540	rundll32.exe	89
PID 3540 wrote to memory of 4572	3540	rundll32.exe	89
PID 3540 wrote to memory of 4572	3540	rundll32.exe	89

C:\Users\Admin\AppData\Local\Temp\2cbd97b186f3c289a2435319c464abea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2cbd97b186f3c289a2435319c464abea_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\wsvicer.dll",Startup
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3540
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\wsvicer.dll",iep
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4572

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

C:\Users\Admin\AppData\Local\wsvicer.dll

Filesize
120KB

MD5
314ab339907d8a33594dd3e34fd8667e

SHA1
9e26023b99fb83f4cbbb75b3c65301fc77ce4be0

SHA256
4666b6e44d5acf8930456833923845c3f88cce2ed587152eeaf84dfd5d81c470

SHA512
cb9170f1e64d6ff6316c932f255141cc9318c7f65de64b50de1808d4bf9dfed8e02593c5be2a3f47f4d48c7b27c669112c48d90f25b4d284a334c8573ac4092f

Download Submit
memory/3396-10-0x0000000002490000-0x00000000024A0000-memory.dmp

Filesize
64KB

Download
memory/3396-1-0x0000000002490000-0x00000000024A0000-memory.dmp

Filesize
64KB

Download
memory/3396-2-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/3396-0-0x0000000002490000-0x00000000024A0000-memory.dmp

Filesize
64KB

Download
memory/3396-14-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/3396-11-0x0000000002490000-0x00000000024A0000-memory.dmp

Filesize
64KB

Download
memory/3540-7-0x00000000026E0000-0x00000000026F0000-memory.dmp

Filesize
64KB

Download
memory/3540-8-0x00000000026E0000-0x00000000026F0000-memory.dmp

Filesize
64KB

Download
memory/3540-12-0x00000000026E0000-0x00000000026F0000-memory.dmp

Filesize
64KB

Download
memory/3540-13-0x00000000026E0000-0x00000000026F0000-memory.dmp

Filesize
64KB

Download
memory/3540-9-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/3540-15-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/3540-21-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/3540-24-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/4572-22-0x0000000002610000-0x0000000002620000-memory.dmp

Filesize
64KB

Download
memory/4572-25-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download