372e07ac0ba85e9efde692b967c7f12d49fb5ea502e93baa29196c35d2e41ea3

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 04:06

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General

Target

76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe
Size

131KB
MD5

76fd7e85d784f634f255644c0665fb03
SHA1

68256e4d4c38ce278626f45f9ce23efa6d9b5eb5
SHA256

372e07ac0ba85e9efde692b967c7f12d49fb5ea502e93baa29196c35d2e41ea3
SHA512

d1798c0f64b6188476c345ab34c9a4ed1c8bedb4dd78b9d8860e2cfffde434d5ebe2be757143250d0c94ab0a1e35cf420597c62aea90faa0e271edb9c3e6010a
SSDEEP

3072:lvzFyms8JJVb5Ax6oDm2v1RF/9eHiabuOw3sCpJ+:lLuKJYHvvDFECa63se+

Score

8^/10

discovery persistence

Malware Config

Signatures

Drops file in Drivers directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\etc\z4cTmmwC.dll	76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe
File created	C:\Windows\system32\drivers\etc\AoEU7hsobn.del	76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe
File created	C:\Windows\system32\drivers\etc\AoEU7hsobn.ini	76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe

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\Sorvlce\Parameters\ServiceDLL = "C:\\Windows\\system32\\drivers\\etc\\z4cTmmwC.dll"	76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe

Loads dropped DLL 6 IoCs

pid	Process
4576	svchost.exe
4576	svchost.exe
4576	svchost.exe
4576	svchost.exe
4576	svchost.exe
4576	svchost.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4368	4576	WerFault.exe	96
1872	4576	WerFault.exe	96
872	4576	WerFault.exe	96

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	76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\76fd7e85d784f634f255644c0665fb03_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Server Software Component: Terminal Services DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1900

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 432
  2⤵
  - Program crash
  PID:4368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 444
  2⤵
  - Program crash
  PID:1872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 452
  2⤵
  - Program crash
  PID:872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4576 -ip 4576
1⤵
PID:2648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4576 -ip 4576
1⤵
PID:3548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4576 -ip 4576
1⤵
PID:2996

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

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\system32\drivers\etc\z4ctmmwc.dll

Filesize
79KB

MD5
7220e4762369a7f1484db84d4b56326e

SHA1
1a00f3c3b868a9dfdde8c7b7ffaa0f5923a523ef

SHA256
c9b3a3ac546f96bc5127b3d3b6330426313103a66731873a495981f22ecf2c0b

SHA512
b3aa96b3e352cf46de2a714471896391b536c2c73201e9b8ef74a619f78222c73bda29a7e57ab7f65a8fb5b3159c37793bd9437e03623444e8dbb4f782266077

Download Submit
memory/1900-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1900-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1900-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4576-8-0x0000000001160000-0x00000000011B1000-memory.dmp

Filesize
324KB

Download
memory/4576-7-0x0000000001160000-0x00000000011B1000-memory.dmp

Filesize
324KB

Download