xtremerat | dcdd9b4aa7f222f1df5daed9d54141c29c2d976bba0461446976df2245ff3bb7

General

Target

JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
Size

64KB
MD5

83d2814d1d678e68b94c1bd135b7dc22
SHA1

dea9b28f44d63cfb887f0cf3382e5080c23fab03
SHA256

dcdd9b4aa7f222f1df5daed9d54141c29c2d976bba0461446976df2245ff3bb7
SHA512

18fddba8fec4574aabac677011445b3d438fa14dc2c5e75f9bec2e4d65aac62b88e206b0c5995d320d5cdce40d7607ecb7555f2954e8c9e398d5706a0d9bb2cb
SSDEEP

1536:/eXzad6a3HI0fsn5xCiXW9jFaLfOE+b7hsov0i:/eXzad6aXJsrKE3SYi

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

sp4rt4.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2788-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2788-11-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2724-19-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2756-23-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2756-25-0x0000000000C80000-0x0000000000C96000-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\{WA82FSI6-BN73-22QU-QYOY-A6LGHR2D0BMX}	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{WA82FSI6-BN73-22QU-QYOY-A6LGHR2D0BMX}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svhost.exe restart"	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{WA82FSI6-BN73-22QU-QYOY-A6LGHR2D0BMX}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{WA82FSI6-BN73-22QU-QYOY-A6LGHR2D0BMX}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svhost.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\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svhost.exe"	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svhost.exe"	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svhost.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDir\\svhost.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2788-8-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2788-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2788-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2788-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2788-11-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2788-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2724-19-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2756-23-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2756-25-0x0000000000C80000-0x0000000000C96000-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	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	notepad.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30
PID 2156 wrote to memory of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30
PID 2156 wrote to memory of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30
PID 2156 wrote to memory of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30
PID 2156 wrote to memory of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30
PID 2156 wrote to memory of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30
PID 2156 wrote to memory of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30
PID 2156 wrote to memory of 2788	2156	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	30
PID 2788 wrote to memory of 2724	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	31
PID 2788 wrote to memory of 2724	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	31
PID 2788 wrote to memory of 2724	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	31
PID 2788 wrote to memory of 2724	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	31
PID 2788 wrote to memory of 2724	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	31
PID 2788 wrote to memory of 2756	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	32
PID 2788 wrote to memory of 2756	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	32
PID 2788 wrote to memory of 2756	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	32
PID 2788 wrote to memory of 2756	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	32
PID 2788 wrote to memory of 2756	2788	JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_83d2814d1d678e68b94c1bd135b7dc22.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:2788
- - 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:2724
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2756

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\Roaming\InstallDir\svhost.exe

Filesize
64KB

MD5
83d2814d1d678e68b94c1bd135b7dc22

SHA1
dea9b28f44d63cfb887f0cf3382e5080c23fab03

SHA256
dcdd9b4aa7f222f1df5daed9d54141c29c2d976bba0461446976df2245ff3bb7

SHA512
18fddba8fec4574aabac677011445b3d438fa14dc2c5e75f9bec2e4d65aac62b88e206b0c5995d320d5cdce40d7607ecb7555f2954e8c9e398d5706a0d9bb2cb

Download Submit
memory/2156-13-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/2156-1-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/2156-2-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/2156-0-0x0000000074281000-0x0000000074282000-memory.dmp

Filesize
4KB

Download
memory/2724-19-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2756-25-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2756-23-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-8-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-11-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2788-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-3-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads