xtremerat | 7b03186ab37b808a1735e79b1a4512237602cc1051fd3a23bb656140be329cc8

General

Target

JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe
Size

170KB
MD5

79ad99e401b7c8d6d11194d3136e0777
SHA1

734833033aaa79dd010ffd0aa6e87633d08d66fe
SHA256

7b03186ab37b808a1735e79b1a4512237602cc1051fd3a23bb656140be329cc8
SHA512

2b5e6508ef6f13a0974ac53071fc0f704af5ed46220c35cd8b89514bb895a6f6115501ed3c495b47c6867eedc14553559249769352001c14be3f17c454cb10a7
SSDEEP

3072:Z8hMYQReUWNA96HM0XnpvTyQqGfiExDlKbHluAnZ0ESsz8XF291GiS+SfB5x/GMw:C278U2U4TyQQExDwbFuAZHSsYV29zS+R

Score

10^/10

xtremerat bootkit discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

mohamed-ajel.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2500-9-0x0000000010000000-0x00000000100A0000-memory.dmp	family_xtremerat
behavioral1/memory/1848-10-0x0000000010000000-0x00000000100A0000-memory.dmp	family_xtremerat
behavioral1/memory/2500-11-0x0000000010000000-0x00000000100A0000-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_79ad99e401b7c8d6d11194d3136e0777.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	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.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_79ad99e401b7c8d6d11194d3136e0777.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2500	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	30
PID 1848 wrote to memory of 2500	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	30
PID 1848 wrote to memory of 2500	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	30
PID 1848 wrote to memory of 2500	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	30
PID 1848 wrote to memory of 2500	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	30
PID 1848 wrote to memory of 1684	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	31
PID 1848 wrote to memory of 1684	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	31
PID 1848 wrote to memory of 1684	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	31
PID 1848 wrote to memory of 1684	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	31
PID 1848 wrote to memory of 1684	1848	JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79ad99e401b7c8d6d11194d3136e0777.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:1684

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/1848-0-0x0000000010000000-0x00000000100A0000-memory.dmp

Filesize
640KB

Download
memory/1848-1-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1848-6-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/1848-5-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/1848-4-0x0000000001DE0000-0x0000000001DE1000-memory.dmp

Filesize
4KB

Download
memory/1848-3-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/1848-2-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1848-10-0x0000000010000000-0x00000000100A0000-memory.dmp

Filesize
640KB

Download
memory/2500-7-0x0000000010000000-0x00000000100A0000-memory.dmp

Filesize
640KB

Download
memory/2500-9-0x0000000010000000-0x00000000100A0000-memory.dmp

Filesize
640KB

Download
memory/2500-11-0x0000000010000000-0x00000000100A0000-memory.dmp

Filesize
640KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads