xtremerat | a58fc2aeeb364767e152a8cb2fdd1772bac3233d5d0969ef4fecf59075b087be

General

Target

c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
Size

1.5MB
MD5

c312d603d8c7db98185b108ba0923f93
SHA1

7bf08dbba011210b8e485201e1270b616417e099
SHA256

a58fc2aeeb364767e152a8cb2fdd1772bac3233d5d0969ef4fecf59075b087be
SHA512

3ec1ddce9fcf11fa3dbfea1a28f4acb786092ac0423a896e203d3382c1b11a3d32674a6c092bb2fe390fd461d4653ab31fe3e5586577bd0d57e9eb7c4dcba1f1
SSDEEP

49152:OGVukBNCBCCCCCCCzCCCCvvvwvvvvvdvCAkBNCBCCCCCCCzCCCCvvvwvvvvvdvCK:OG9vvwvvvvvdvCpvvwvvvvvdvCK

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2020-8-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2020-19-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2020-15-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2020-11-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2020-5-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2020-3-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2020-13-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2736-28-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2712-32-0x0000000000C80000-0x0000000000D26000-memory.dmp	family_xtremerat
behavioral1/memory/2712-34-0x0000000000C80000-0x0000000000D26000-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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	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\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
File opened for modification	C:\Windows\InstallDir\Server.exe	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Server.exe	c312d603d8c7db98185b108ba0923f93_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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2712	explorer.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2020	1508	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	31
PID 2020 wrote to memory of 2736	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	32
PID 2020 wrote to memory of 2736	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	32
PID 2020 wrote to memory of 2736	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	32
PID 2020 wrote to memory of 2736	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	32
PID 2020 wrote to memory of 2736	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	32
PID 2020 wrote to memory of 2988	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	33
PID 2020 wrote to memory of 2988	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	33
PID 2020 wrote to memory of 2988	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	33
PID 2020 wrote to memory of 2988	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	33
PID 2020 wrote to memory of 2712	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	34
PID 2020 wrote to memory of 2712	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	34
PID 2020 wrote to memory of 2712	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	34
PID 2020 wrote to memory of 2712	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	34
PID 2020 wrote to memory of 2712	2020	c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Users\Admin\AppData\Local\Temp\c312d603d8c7db98185b108ba0923f93_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c312d603d8c7db98185b108ba0923f93_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 WriteProcessMemory
  PID:2020
- - 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:2736
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2988
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2712

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:\Windows\InstallDir\Server.exe

Filesize
1.5MB

MD5
c312d603d8c7db98185b108ba0923f93

SHA1
7bf08dbba011210b8e485201e1270b616417e099

SHA256
a58fc2aeeb364767e152a8cb2fdd1772bac3233d5d0969ef4fecf59075b087be

SHA512
3ec1ddce9fcf11fa3dbfea1a28f4acb786092ac0423a896e203d3382c1b11a3d32674a6c092bb2fe390fd461d4653ab31fe3e5586577bd0d57e9eb7c4dcba1f1

Download Submit
memory/1508-0-0x0000000023240000-0x00000000232F5000-memory.dmp

Filesize
724KB

Download
memory/1508-35-0x0000000023240000-0x00000000232F5000-memory.dmp

Filesize
724KB

Download
memory/2020-19-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2020-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2020-15-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2020-11-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2020-5-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2020-3-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2020-2-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2020-13-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2020-8-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2020-1-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2712-32-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2712-34-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download
memory/2736-28-0x0000000000C80000-0x0000000000D26000-memory.dmp

Filesize
664KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads