xtremerat | 413c6b51a62ef628960a2c8596b6cbb9906063b234939c3bb80be0f71d03fd34

General

Target

7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe
Size

182KB
MD5

7aa95910802295f6717ab9d9beee1898
SHA1

14284f8090ab40b02237d401704ba1af54bd9138
SHA256

413c6b51a62ef628960a2c8596b6cbb9906063b234939c3bb80be0f71d03fd34
SHA512

23cc0c4352842e62f069a6036d6ac055740328a64572348d526dc8478928afe62409b89e40f17916b87ba3c033aefaac1388ea77e349d23e85e05d41fa794962
SSDEEP

3072:Rs2XZfZhXlYDVtNH44iyIF96HM0XUGXU2Fo21364EoiJeeI+StSqYLj8MfseRlP1:XX1XXWIpnVW5GJZ2tNYLj8MfsCX2HKWK

Score

10^/10

xtremerat bootkit discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

host-007.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2568-2-0x0000000010000000-0x00000000100A7000-memory.dmp	family_xtremerat
behavioral1/memory/2040-9-0x0000000010000000-0x00000000100A7000-memory.dmp	family_xtremerat
behavioral1/memory/2568-10-0x0000000010000000-0x00000000100A7000-memory.dmp	family_xtremerat
behavioral1/memory/2040-11-0x0000000010000000-0x00000000100A7000-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	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe

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 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	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2040	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	31
PID 2568 wrote to memory of 2040	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	31
PID 2568 wrote to memory of 2040	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	31
PID 2568 wrote to memory of 2040	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	31
PID 2568 wrote to memory of 2040	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	31
PID 2568 wrote to memory of 2344	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	32
PID 2568 wrote to memory of 2344	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	32
PID 2568 wrote to memory of 2344	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	32
PID 2568 wrote to memory of 2344	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	32
PID 2568 wrote to memory of 2344	2568	7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7aa95910802295f6717ab9d9beee1898_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2040
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2040-7-0x0000000010000000-0x00000000100A7000-memory.dmp

Filesize
668KB

Download
memory/2040-9-0x0000000010000000-0x00000000100A7000-memory.dmp

Filesize
668KB

Download
memory/2040-11-0x0000000010000000-0x00000000100A7000-memory.dmp

Filesize
668KB

Download
memory/2568-0-0x0000000010000000-0x00000000100A7000-memory.dmp

Filesize
668KB

Download
memory/2568-1-0x00000000006B0000-0x00000000006B2000-memory.dmp

Filesize
8KB

Download
memory/2568-6-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

Filesize
4KB

Download
memory/2568-5-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download
memory/2568-4-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

Filesize
4KB

Download
memory/2568-3-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/2568-2-0x0000000010000000-0x00000000100A7000-memory.dmp

Filesize
668KB

Download
memory/2568-10-0x0000000010000000-0x00000000100A7000-memory.dmp

Filesize
668KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads