xtremerat | 11d0a2ca052ba63b04576d49bd2150bf09159f6c037ae8f53f365e0172c93d6d

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 16:59

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General

Target

JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe
Size

295KB
MD5

cda078a5cad585a8c65722cb893499a2
SHA1

1994003676c0360b6e98de17038b4f86d12f314b
SHA256

11d0a2ca052ba63b04576d49bd2150bf09159f6c037ae8f53f365e0172c93d6d
SHA512

94e7e69445e68d0bc03a7fac9a19b687161ef974ec881b454674998c9d9f070a97f02633c28414460417cdd396640d58c31a0466ffaadec0cfb54d837cff2c49
SSDEEP

6144:UaUdZWjtJAqqULirzVqpvZoV+XjQ4EbnVW5GJZ2tNYLj8MfsaeWJ:UVdZWjtmroZuV+kVzYKj86saFJ

Score

10^/10

xtremerat bootkit discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

cescmouad.zapto.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2648-42-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral1/memory/2648-44-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral1/memory/2732-48-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral1/memory/2648-49-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral1/memory/2732-50-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Xtremerat family
xtremerat

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2648-38-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/2648-42-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/2648-44-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/2648-40-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/2732-48-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/2648-49-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral1/memory/2732-50-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2728 wrote to memory of 2648	2728	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	30
PID 2648 wrote to memory of 2732	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	31
PID 2648 wrote to memory of 2732	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	31
PID 2648 wrote to memory of 2732	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	31
PID 2648 wrote to memory of 2732	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	31
PID 2648 wrote to memory of 2732	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	31
PID 2648 wrote to memory of 2632	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	32
PID 2648 wrote to memory of 2632	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	32
PID 2648 wrote to memory of 2632	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	32
PID 2648 wrote to memory of 2632	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	32
PID 2648 wrote to memory of 2632	2648	JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cda078a5cad585a8c65722cb893499a2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2732
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2648-38-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2648-49-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2648-40-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2648-44-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2648-42-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2728-15-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-13-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-27-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-26-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-25-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2728-33-0x0000000001EA0000-0x0000000001FA0000-memory.dmp

Filesize
1024KB

Download
memory/2728-35-0x0000000001E90000-0x0000000001E91000-memory.dmp

Filesize
4KB

Download
memory/2728-34-0x0000000001EA0000-0x0000000001FA0000-memory.dmp

Filesize
1024KB

Download
memory/2728-24-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2728-23-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2728-22-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2728-21-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2728-20-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2728-19-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-18-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-17-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-16-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-0-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2728-14-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-28-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-12-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-11-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-10-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-9-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-8-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-7-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-6-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-5-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-4-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-3-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-2-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-29-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-30-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-1-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2728-43-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2728-32-0x0000000001EA0000-0x0000000001FA0000-memory.dmp

Filesize
1024KB

Download
memory/2728-31-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2732-48-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2732-45-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2732-50-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads