xtremerat | e3795d01fbc9b0bbfd4571619fa314ad38ac7b59a1e595b7ec05b07bf3132f1b

General

Target

eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe
Size

45KB
MD5

eb0c2109008b1e2a715482752581ee78
SHA1

0a02c35e36106fad58410982c35241f1e9ec63cf
SHA256

e3795d01fbc9b0bbfd4571619fa314ad38ac7b59a1e595b7ec05b07bf3132f1b
SHA512

a3742ca52d4586ab412598e881b178b324944e79092170def53dafc6d0d6c89dfea642e6fd03323935914e9ec159772c2b99fbf19846f7f870437e3cf2227ede
SSDEEP

768:9Br+tjFY90iY6W1jwmDzKgEFQXaklMIAnH8hwfOgw0crzo/2h:jyRh31jxPEFQXak+H84bSo/s

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

mayngocanh.zapto.com

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2168-5-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2396-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2168-8-0x0000000000C80000-0x0000000000C93000-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

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	eb0c2109008b1e2a715482752581ee78_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\\InstallDir\\Server.exe"	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Server.exe	eb0c2109008b1e2a715482752581ee78_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	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2168	explorer.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 592	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	30
PID 2396 wrote to memory of 592	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	30
PID 2396 wrote to memory of 592	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	30
PID 2396 wrote to memory of 592	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	30
PID 2396 wrote to memory of 2168	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	31
PID 2396 wrote to memory of 2168	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	31
PID 2396 wrote to memory of 2168	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	31
PID 2396 wrote to memory of 2168	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	31
PID 2396 wrote to memory of 2168	2396	eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb0c2109008b1e2a715482752581ee78_JaffaCakes118.exe"
1⤵
- 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 WriteProcessMemory
PID:2396
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:592
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2168

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

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Downloads

memory/2168-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2168-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2168-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2396-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads