zgrat | 411e5de40815fe6cd8b72dac4981a3accb8eb37e3c8dd782986df3d5cfaff9ce

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 15:55

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General

Target

d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe
Size

2.2MB
MD5

d24ce40c44d17bb1a14c38637cff3199
SHA1

cadab087e9630d0e39637f0861d137575de08264
SHA256

411e5de40815fe6cd8b72dac4981a3accb8eb37e3c8dd782986df3d5cfaff9ce
SHA512

ae20e135c0c6bafe6b900ae7e9095e661ceee38a7e35855c8f90e0e53424fa581712c03f89d8c2be8c8ef67c68c779d0e8888e8e21189104d7d3098a282e264b
SSDEEP

49152:c2+thjVnoULHUO/Xy4KRz2kPkxY5mGLAH5gbJhmMNsQXte2HJo1k/r+:jZU7VCPs8MH5GhmAswtVB

Score

10^/10

zgrat discovery evasion rat

Malware Config

Signatures

Detect ZGRat V2 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2900-1-0x00000000000F0000-0x000000000046E000-memory.dmp	family_zgrat_v2
behavioral2/memory/2900-2-0x00000000000F0000-0x000000000046E000-memory.dmp	family_zgrat_v2
behavioral2/memory/2900-11-0x00000000000F0000-0x000000000046E000-memory.dmp	family_zgrat_v2

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

pid process

2900 d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe
2900 d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2900 d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

pid	process
2900	d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe
2900	d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2900	d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d24ce40c44d17bb1a14c38637cff3199_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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

memory/2900-0-0x00000000000F0000-0x000000000046E000-memory.dmp

Filesize
3.5MB

Download
memory/2900-1-0x00000000000F0000-0x000000000046E000-memory.dmp

Filesize
3.5MB

Download
memory/2900-2-0x00000000000F0000-0x000000000046E000-memory.dmp

Filesize
3.5MB

Download
memory/2900-3-0x000000000A4A0000-0x000000000A532000-memory.dmp

Filesize
584KB

Download
memory/2900-4-0x000000000A7B0000-0x000000000A836000-memory.dmp

Filesize
536KB

Download
memory/2900-5-0x000000000A870000-0x000000000A892000-memory.dmp

Filesize
136KB

Download
memory/2900-6-0x000000000A8A0000-0x000000000ABF4000-memory.dmp

Filesize
3.3MB

Download
memory/2900-8-0x00000000000F0000-0x000000000046E000-memory.dmp

Filesize
3.5MB

Download
memory/2900-11-0x00000000000F0000-0x000000000046E000-memory.dmp

Filesize
3.5MB

Download