xtremerat | e14e953b485d59404e96fd4c96b03b16a4ce8ea8c7f42407b82a9c5527c579b3

General

Target

d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe
Size

45KB
MD5

d16c36c3995e55b3993c0bfa9a757ec6
SHA1

270987d45f2bbda8cb3282e16b7fdb7d84551eba
SHA256

e14e953b485d59404e96fd4c96b03b16a4ce8ea8c7f42407b82a9c5527c579b3
SHA512

f8dd55d241141b994e300ba351a69ae311a961982e2724799fe491b047b9101d4beac8aec668e49afe87d56451f473d26956d8ce1d6ff703e87d8e885c201ffa
SSDEEP

768:9Br+tjFY90iY6W1jwm3zKgEFQXaklMIAnH8hwfOgw08Azo5J:jyRh31j1PEFQXak+H84blo5J

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

namehost.dyndns.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2772-8-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2196-9-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2772-11-0x0000000000C80000-0x0000000000C93000-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
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
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	d16c36c3995e55b3993c0bfa9a757ec6_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"	d16c36c3995e55b3993c0bfa9a757ec6_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\\system32\\wbem\\xml.exe"	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe"	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wbem\xml.exe	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wbem\xml.exe	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wbem\	d16c36c3995e55b3993c0bfa9a757ec6_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	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2772	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2772	2196	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe	30
PID 2196 wrote to memory of 2772	2196	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe	30
PID 2196 wrote to memory of 2772	2196	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe	30
PID 2196 wrote to memory of 2772	2196	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe	30
PID 2196 wrote to memory of 2772	2196	d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d16c36c3995e55b3993c0bfa9a757ec6_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2772

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/2196-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2772-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2772-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2772-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads