f278394d2a434c4f01d4856e38bc1a024fab3cac407b93b06449d154fb5633c3

Analysis

max time kernel
144s
max time network
144s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 02:42

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General

Target

b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe
Size

265KB
MD5

b1d319221ca27071bede69ab9f69b25e
SHA1

b32493704b91364570830640acb5c222ef99e4d5
SHA256

f278394d2a434c4f01d4856e38bc1a024fab3cac407b93b06449d154fb5633c3
SHA512

b66c714c5b1f4a525367c57c9bbe476584bddcffdc4d746074e53c1ea5eb2ca4d3bca32e55276e7d0c7e84a606eeb737081505923351b1b74112b9afddbc5198
SSDEEP

6144:2lU0T90GuyIyeZq0Aou/fQ20GhCwghLBEg7CwzoGwg7v/V:YFuCeZq0dKfR0oCwILnsWX

Score

8^/10

defense_evasion discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\windows Plug and Play Device Host\Parameters\ServiceDll = "C:\\Windows\\system32\\wzlnsa.dll"	b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00090000000120fa-2.dat	acprotect

Deletes itself 1 IoCs

pid	Process
2884	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	svchost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wzlnsa.dll	b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wzlnsa.dll	b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2884	2404	b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe	31
PID 2404 wrote to memory of 2884	2404	b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe	31
PID 2404 wrote to memory of 2884	2404	b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe	31
PID 2404 wrote to memory of 2884	2404	b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\b1d319221ca27071bede69ab9f69b25e_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2884

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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:\windows\SysWOW64\wzlnsa.dll

Filesize
242KB

MD5
dc76ebdaba6b01caf15eb647819a64fe

SHA1
0f8a1b5e0856a1736cfa40d0a8ac1f3da58b26ba

SHA256
1307b37ac25296fabcc7eec09d6e5f3ae5a5b705d81c3b4b17e91a19a2329e21

SHA512
3a33f2ceea64eac494eae4a4dddb3b4779bee67b7261034809ba7661ad27364f8b38d21f21b8cbb419fa59f82f907d90f7a5c4484d573a113489963977ecfa42

Download Submit
memory/2404-6-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2520-4-0x0000000002580000-0x0000000002649000-memory.dmp

Filesize
804KB

Download
memory/2520-5-0x0000000002581000-0x000000000260C000-memory.dmp

Filesize
556KB

Download
memory/2520-7-0x0000000002580000-0x0000000002649000-memory.dmp

Filesize
804KB

Download
memory/2520-8-0x0000000002581000-0x000000000260C000-memory.dmp

Filesize
556KB

Download