xtremerat | 1b43196dcc852208256925ba6545792da9621f114ebbff2d74456656c1fa52c6

Analysis

max time kernel
150s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 00:18

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General

Target

JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe
Size

269KB
MD5

b850c270449dc836dac9ec1a9c50f741
SHA1

b51b6f9ee580279da20b2b8af976ea34a6e7f089
SHA256

1b43196dcc852208256925ba6545792da9621f114ebbff2d74456656c1fa52c6
SHA512

d34e418e7c2821c35673b1a87e798a5de66908a2bfcbc16ab3d418d47e0869886d867da13ff6bd8e0487bfb6c0891e7b403c0cbd2a8a757f757b0074e42fb593
SSDEEP

6144:js+OHgkZdgu2HV22y96def/mnVW5GJZ2tNYLj8MfsyHZn:pOjfPM22y4lVzYKj86sQ

Score

10^/10

xtremerat bootkit discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/3068-45-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2496-49-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2496-50-0x0000000010000000-0x000000001004D000-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_b850c270449dc836dac9ec1a9c50f741.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1736 set thread context of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3068-40-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3068-45-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3068-43-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2496-49-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2496-50-0x0000000010000000-0x000000001004D000-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_b850c270449dc836dac9ec1a9c50f741.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 1736 wrote to memory of 3068	1736	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	30
PID 3068 wrote to memory of 2496	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	31
PID 3068 wrote to memory of 2496	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	31
PID 3068 wrote to memory of 2496	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	31
PID 3068 wrote to memory of 2496	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	31
PID 3068 wrote to memory of 2496	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	31
PID 3068 wrote to memory of 2844	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	32
PID 3068 wrote to memory of 2844	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	32
PID 3068 wrote to memory of 2844	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	32
PID 3068 wrote to memory of 2844	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	32
PID 3068 wrote to memory of 2844	3068	JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.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:1736
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b850c270449dc836dac9ec1a9c50f741.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2496
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2844

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/1736-11-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-18-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-32-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1736-31-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-30-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-29-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-28-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-27-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-26-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-25-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-24-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-23-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-22-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-33-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1736-19-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-10-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-17-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-16-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-15-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-14-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-13-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-12-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-21-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-0-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1736-20-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1736-9-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-8-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-7-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-6-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-36-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/1736-35-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1736-34-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-5-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-4-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-3-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-2-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-1-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1736-38-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/1736-44-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2496-46-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2496-49-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2496-50-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3068-45-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3068-40-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3068-43-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads