xtremerat | d5312f666d81884d75bdc8bf34793c8ce123fcbb3510efc3f7fe7404b40a2490

General

Target

961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
Size

208KB
MD5

961820efaec3cd9b7646858db5fa05fa
SHA1

01b57107a5a531104290bcfd863cb589b1eb39a8
SHA256

d5312f666d81884d75bdc8bf34793c8ce123fcbb3510efc3f7fe7404b40a2490
SHA512

f3df1b064191d7de71ff78b9abdb89bfd2aa6cbd71ca278f6794f433297e8cae1d8648bb29b75cac6fb974e86ea51f15c7da67e49ecc88d86e7549bc61c7f9c4
SSDEEP

3072:jEuGIirAcaxdhfgZhAchfgZh7UwKgE7juxet4K2t7ZaAkL0hfgZhA:jEKhfgZhLhfgZhQw1E7veD7eIhfgZh

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

miami.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2384-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2384-14-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2788-20-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2932-24-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2384-25-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2932-27-0x0000000000C80000-0x0000000000C96000-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 4 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\{WKD484SX-UA11-8V7B-867R-45K5WD2X33X4}	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{WKD484SX-UA11-8V7B-867R-45K5WD2X33X4}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe restart"	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{WKD484SX-UA11-8V7B-867R-45K5WD2X33X4}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{WKD484SX-UA11-8V7B-867R-45K5WD2X33X4}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe restart"	svchost.exe

Adds Run key to start application 2 TTPs 4 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\Realtek = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe"	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe"	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Realtek = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2320 set thread context of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2384-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2384-14-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2384-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2384-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2384-7-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2384-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2788-20-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2932-24-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2384-25-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2932-27-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

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 4 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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
2932	notepad.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2384	2320	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	29
PID 2384 wrote to memory of 2788	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	30
PID 2384 wrote to memory of 2788	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	30
PID 2384 wrote to memory of 2788	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	30
PID 2384 wrote to memory of 2788	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	30
PID 2384 wrote to memory of 2788	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	30
PID 2384 wrote to memory of 2932	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	31
PID 2384 wrote to memory of 2932	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	31
PID 2384 wrote to memory of 2932	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	31
PID 2384 wrote to memory of 2932	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	31
PID 2384 wrote to memory of 2932	2384	961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Users\Admin\AppData\Local\Temp\961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\961820efaec3cd9b7646858db5fa05fa_JaffaCakes118.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2788
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2932

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

C:\Users\Admin\AppData\Local\Temp\InstallDir\Server.exe

Filesize
208KB

MD5
961820efaec3cd9b7646858db5fa05fa

SHA1
01b57107a5a531104290bcfd863cb589b1eb39a8

SHA256
d5312f666d81884d75bdc8bf34793c8ce123fcbb3510efc3f7fe7404b40a2490

SHA512
f3df1b064191d7de71ff78b9abdb89bfd2aa6cbd71ca278f6794f433297e8cae1d8648bb29b75cac6fb974e86ea51f15c7da67e49ecc88d86e7549bc61c7f9c4

Download Submit
memory/2320-2-0x0000000000330000-0x0000000000332000-memory.dmp

Filesize
8KB

Download
memory/2320-3-0x0000000000340000-0x0000000000342000-memory.dmp

Filesize
8KB

Download
memory/2320-4-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2384-14-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2384-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2384-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2384-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-7-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2384-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2384-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2384-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2384-25-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-20-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2932-24-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2932-27-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads