xtremerat | 680acb227dfac6549414c55d596df2a0058c4fdb7613b15a27e7d815a033dd9f

General

Target

a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
Size

59KB
MD5

a3db2c6f5f7c678f5759cc53625c9b1f
SHA1

a5414b1b37bdd4792be870a1512fdf1718fd6616
SHA256

680acb227dfac6549414c55d596df2a0058c4fdb7613b15a27e7d815a033dd9f
SHA512

9540c05e764b30456693338a03cf776b15d83440862741dada2df45cb35cc4eef66636075e0dff2a1da829ecc9bc1d4ba793f1ea6370849ba1ef39790aef7336
SSDEEP

1536:t/ozcLd17wHwUJEvYoNu8bEYvYmU+8H6wDxxd42:Voy9wREw+u84YvYmUxH3T

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

kdm.zapto.org

踀seakdm.zapto.org

Ȥkdm.zapto.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1736-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1736-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/640-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1736-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1736-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/640-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1736-16-0x0000000010000000-0x000000001004D000-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\{SJK5J71K-DKN0-G8TE-RFNX-P4SF3BK12FPQ}	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{SJK5J71K-DKN0-G8TE-RFNX-P4SF3BK12FPQ}\StubPath = "C:\\Windows\\system32\\QUITE.exe restart"	a3db2c6f5f7c678f5759cc53625c9b1f_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\\QUITE.exe"	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\QUITE.exe"	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\QUITE.exe	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\QUITE.exe	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4480 set thread context of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1736-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1736-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1736-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1736-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/640-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1736-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1736-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/640-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1736-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
3684	4480	WerFault.exe	82
4040	640	WerFault.exe	87
1396	640	WerFault.exe	87

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	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
1736	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86
PID 4480 wrote to memory of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86
PID 4480 wrote to memory of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86
PID 4480 wrote to memory of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86
PID 4480 wrote to memory of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86
PID 4480 wrote to memory of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86
PID 4480 wrote to memory of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86
PID 4480 wrote to memory of 1736	4480	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	86
PID 1736 wrote to memory of 640	1736	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	87
PID 1736 wrote to memory of 640	1736	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	87
PID 1736 wrote to memory of 640	1736	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	87
PID 1736 wrote to memory of 640	1736	a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 456
  2⤵
  - Program crash
  PID:3684
- C:\Users\Admin\AppData\Local\Temp\a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a3db2c6f5f7c678f5759cc53625c9b1f_JaffaCakes118.exe
  2⤵
  - 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 SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 472
      4⤵
      Program crash
      PID:4040
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 488
      4⤵
      Program crash
      PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4480 -ip 4480
1⤵
PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 640 -ip 640
1⤵
PID:2500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 640 -ip 640
1⤵
PID:1060

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/640-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/640-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1736-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1736-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1736-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1736-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1736-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1736-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1736-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4480-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4480-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads