1d3ca7cef8f67269ee8135611feee59cf9a0f7bd68f8f8cc48bee575a5e8e559

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 16:32

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General

Target

edfe086afcda48f929ea9de33a9e9b77_JaffaCakes118.exe
Size

596KB
MD5

edfe086afcda48f929ea9de33a9e9b77
SHA1

cbdb2e87fa92a234cf77179905bfb8dac277b3ad
SHA256

1d3ca7cef8f67269ee8135611feee59cf9a0f7bd68f8f8cc48bee575a5e8e559
SHA512

3c20cba7cdb15cfd6c8d23bc46e38c40e840f48000dc5dc3043071b499a8bc4c23f24689e86f364743ec371490f76bca88df4d3227fae23f6b68c4f5cd0ca4f2
SSDEEP

6144:Bm6awUV7Ga13kw2HFXqfT4uYWUQbJQQazR5jM4tc:BCwUV7GskWf5V79QQER5j

Score

10^/10

discovery evasion trojan

Malware Config

Signatures

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	weRecv.exe

Windows security bypass 2 TTPs 5 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	weRecv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	weRecv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	weRecv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	weRecv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	weRecv.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	edfe086afcda48f929ea9de33a9e9b77_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	weRecv.exe

Deletes itself 1 IoCs

pid	Process
2776	weRecv.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	weRecv.exe

Windows security modification 2 TTPs 5 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	weRecv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	weRecv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	weRecv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	weRecv.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	weRecv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\weRecv.exe	edfe086afcda48f929ea9de33a9e9b77_JaffaCakes118.exe
File created	C:\Windows\weRecv.exe	edfe086afcda48f929ea9de33a9e9b77_JaffaCakes118.exe

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	edfe086afcda48f929ea9de33a9e9b77_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	weRecv.exe

C:\Users\Admin\AppData\Local\Temp\edfe086afcda48f929ea9de33a9e9b77_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edfe086afcda48f929ea9de33a9e9b77_JaffaCakes118.exe"
1⤵
- Looks for VMWare Tools registry key
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4040

C:\Windows\weRecv.exe
"C:\Windows\weRecv.exe"
1⤵
- Modifies security service
- Windows security bypass
- Looks for VMWare Tools registry key
- Deletes itself
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\weRecv.exe

Filesize
596KB

MD5
edfe086afcda48f929ea9de33a9e9b77

SHA1
cbdb2e87fa92a234cf77179905bfb8dac277b3ad

SHA256
1d3ca7cef8f67269ee8135611feee59cf9a0f7bd68f8f8cc48bee575a5e8e559

SHA512
3c20cba7cdb15cfd6c8d23bc46e38c40e840f48000dc5dc3043071b499a8bc4c23f24689e86f364743ec371490f76bca88df4d3227fae23f6b68c4f5cd0ca4f2

Download Submit
memory/2776-7-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/4040-0-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/4040-5-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads