xtremerat | d1db8f187a89dbf726cacde2d3f6cf4e0455d7d388187dec5158c3e3b62d002f

General

Target

68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
Size

157KB
MD5

68d3d41b7ac7785ea8da93a96ee34dc2
SHA1

66489d5bb0f8c716bcfcddc207677ad2a2277f46
SHA256

d1db8f187a89dbf726cacde2d3f6cf4e0455d7d388187dec5158c3e3b62d002f
SHA512

8140bed4e507eff542a123f805ac1383324077cb08ddd36f4091cdb64ad54f953bf6c181bc437e5d68f22f7be485d2ed099f79ac8f1443d0cf82a0f757d9145a
SSDEEP

3072:PReaSi4JMr4ST+TWFtdcnWYEsm4G9Fl0/K0fe6lTTb:PMxWFbcnfEsE90dlPb

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

milen1112.zapto.org

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/2132-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2132-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2132-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2132-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3016-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2132-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3016-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2132-12-0x0000000010000000-0x000000001004A000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\Microsoft\\winlogon.exe restart"	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Microsoft\\winlogon.exe"	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Microsoft\\winlogon.exe"	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4724 set thread context of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft\winlogon.exe	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
File created	C:\Windows\Microsoft\winlogon.exe	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
File opened for modification	C:\Windows\Microsoft\	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4736	3016	WerFault.exe	85
216	3016	WerFault.exe	85

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	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
2132	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 4724 wrote to memory of 2132	4724	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	84
PID 2132 wrote to memory of 3016	2132	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	85
PID 2132 wrote to memory of 3016	2132	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	85
PID 2132 wrote to memory of 3016	2132	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	85
PID 2132 wrote to memory of 3016	2132	68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\68d3d41b7ac7785ea8da93a96ee34dc2_JaffaCakes118.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 480
      4⤵
      Program crash
      PID:4736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 488
      4⤵
      Program crash
      PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3016 -ip 3016
1⤵
PID:1752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3016 -ip 3016
1⤵
PID:312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2132-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2132-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2132-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2132-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2132-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2132-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3016-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3016-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads