xtremerat | 183edac7d5983d0c8e1ae69d24bbaf9973c923bdbf11ca3f441a6e07466dee82

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 07:36

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General

Target
13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe
Size 44KB
Sample240701-jfm8rssgkk
SHA256 183edac7d5983d0c8e1ae69d24bbaf9973c923bdbf11ca3f441a6e07466dee82
MD5 13f1ea2435e5e864df3523ba1b5fcc1c
SHA1 a56366c496fe388cc9c4096baa30182f8779525a
SHA512 36f19d8e62f784624142706634a59e1707ff7363dea6d0617b82f26072f3cb71b8067ca50ea4a37be9ee7321d6d93ab52022db7eebd1e94e908477b3caaea52b
SSDEEP 768:rBr+tjFKTPkAlfztB1lr6an3smTA8uvm2DfOTwYPIkzoiQ:FyR0HlrL1lr6an3TLuvm2buQkoiQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

namehost.dyndns.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4752-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3916-7-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2464-8-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/3916-11-0x0000000000C80000-0x0000000000C93000-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

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}	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart"	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4752	explorer.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\\system32\\wbem\\xml.exe"	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe"	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wbem\xml.exe	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wbem\xml.exe	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wbem\	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3916	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 3916	2464	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe	81
PID 2464 wrote to memory of 3916	2464	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe	81
PID 2464 wrote to memory of 3916	2464	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe	81
PID 2464 wrote to memory of 4752	2464	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe	82
PID 2464 wrote to memory of 4752	2464	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe	82
PID 2464 wrote to memory of 4752	2464	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe	82
PID 2464 wrote to memory of 4752	2464	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe	82
PID 2464 wrote to memory of 3916	2464	13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe	81

C:\Users\Admin\AppData\Local\Temp\13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\13f1ea2435e5e864df3523ba1b5fcc1c_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3916
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Deletes itself
  PID:4752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2464-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Download

memory/3916-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

Download

memory/3916-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

Download

memory/4752-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads