xtremerat | 6c2d26e4bb26b0103f591b5ed3008b23bf7a360bca8aaaf1eaf1edb3b5e0e592

General

Target

JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe
Size

40KB
MD5

13e1b45725c67a78dc5e62e6c29e0adb
SHA1

142d85d87180fb5c3947931ca1a45fdac3a63bbd
SHA256

6c2d26e4bb26b0103f591b5ed3008b23bf7a360bca8aaaf1eaf1edb3b5e0e592
SHA512

6c8d2963511ebdf598d3fb3b994406490fc1e55a40afacc6f3b7dcb1d59bfb9cf7832a1ee3ec102898d12e883ba2a30baeef275239a089ef7f221aa91c0f6464
SSDEEP

768:bxjxMezQBWXf9fX6pUqB5KpwkIH5AO9ny1hX8dRN0vwhlWZGzxPbPrRh:bcea69X6R5KpwVxyn8R0QWZwt

Score

10^/10

xtremerat aspackv2 discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

helwan1.no-ip.info

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/3064-4-0x0000000000C80000-0x0000000000C9F000-memory.dmp	family_xtremerat
behavioral1/memory/2744-10-0x0000000000C80000-0x0000000000C9F000-memory.dmp	family_xtremerat
behavioral1/memory/2692-14-0x0000000000C80000-0x0000000000C9F000-memory.dmp	family_xtremerat
behavioral1/memory/3064-15-0x0000000000C80000-0x0000000000C9F000-memory.dmp	family_xtremerat
behavioral1/memory/2692-17-0x0000000000C80000-0x0000000000C9F000-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\{1SE8027D-GL86-SU5J-1M8G-8N5XF63WE72R}	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1SE8027D-GL86-SU5J-1M8G-8N5XF63WE72R}\StubPath = "C:\\Windows\\system32\\system32\\skype.exe restart"	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{1SE8027D-GL86-SU5J-1M8G-8N5XF63WE72R}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1SE8027D-GL86-SU5J-1M8G-8N5XF63WE72R}\StubPath = "C:\\Windows\\system32\\system32\\skype.exe restart"	svchost.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x00070000000160a5-11.dat	aspack_v212_v242

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\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\voice = "C:\\Windows\\system32\\system32\\skype.exe"	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\voice = "C:\\Windows\\system32\\system32\\skype.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\voice = "C:\\Windows\\system32\\system32\\skype.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\voice = "C:\\Windows\\system32\\system32\\skype.exe"	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\system32\skype.exe	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe
File created	C:\Windows\SysWOW64\system32\skype.exe	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.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 3 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	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2692	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2744	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	30
PID 3064 wrote to memory of 2744	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	30
PID 3064 wrote to memory of 2744	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	30
PID 3064 wrote to memory of 2744	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	30
PID 3064 wrote to memory of 2744	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	30
PID 3064 wrote to memory of 2692	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	31
PID 3064 wrote to memory of 2692	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	31
PID 3064 wrote to memory of 2692	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	31
PID 3064 wrote to memory of 2692	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	31
PID 3064 wrote to memory of 2692	3064	JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13e1b45725c67a78dc5e62e6c29e0adb.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:3064
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2692

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\SysWOW64\system32\skype.exe

Filesize
40KB

MD5
13e1b45725c67a78dc5e62e6c29e0adb

SHA1
142d85d87180fb5c3947931ca1a45fdac3a63bbd

SHA256
6c2d26e4bb26b0103f591b5ed3008b23bf7a360bca8aaaf1eaf1edb3b5e0e592

SHA512
6c8d2963511ebdf598d3fb3b994406490fc1e55a40afacc6f3b7dcb1d59bfb9cf7832a1ee3ec102898d12e883ba2a30baeef275239a089ef7f221aa91c0f6464

Download Submit
memory/2692-14-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/2692-17-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/2744-9-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/2744-10-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/3064-4-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/3064-3-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/3064-2-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/3064-1-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/3064-0-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download
memory/3064-15-0x0000000000C80000-0x0000000000C9F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads