xtremerat | b8bb48adc6529333a6cb992fe1ee34c2b9973c644d96a9af2b0b02f61385acba

General

Target

c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
Size

152KB
MD5

c59d85cb643d32a9a5e9eaa963886a1c
SHA1

836800c86848c502ad7fc9be508c63cc9848fa65
SHA256

b8bb48adc6529333a6cb992fe1ee34c2b9973c644d96a9af2b0b02f61385acba
SHA512

387f65bbf1f49fb4ca73fbe2b1f23552344ada67d0cbee0be221bd0551953e31f07aa63f7e262085ea4dca07542e19dbfa5c0a32f9ce1303c7a27992fcb39dbd
SSDEEP

3072:4oYMODtBqfTkECraBIpPQMPozgEAQIIOO:4xD7xraBCDorAB

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

sultan88.no-ip.biz

Signatures

Detect XtremeRAT payload 9 IoCs

resource	yara_rule
behavioral2/memory/3884-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3884-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2856-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5012-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3884-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5012-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5012-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2856-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5012-14-0x0000000010000000-0x000000001004D000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\svchost.exe restart"	notepad.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\\InstallDir\\svchost.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\svchost.exe"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3884-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3884-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3884-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3884-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2856-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5012-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3884-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5012-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5012-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2856-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5012-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\svchost.exe	notepad.exe
File created	C:\Windows\InstallDir\svchost.exe	notepad.exe

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1496	2856	WerFault.exe	84
3148	5012	WerFault.exe	85
740	2856	WerFault.exe	84
4052	5012	WerFault.exe	85

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	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
5012	notepad.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83
PID 2544 wrote to memory of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83
PID 2544 wrote to memory of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83
PID 2544 wrote to memory of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83
PID 2544 wrote to memory of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83
PID 2544 wrote to memory of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83
PID 2544 wrote to memory of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83
PID 2544 wrote to memory of 3884	2544	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	83
PID 3884 wrote to memory of 2856	3884	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	84
PID 3884 wrote to memory of 2856	3884	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	84
PID 3884 wrote to memory of 2856	3884	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	84
PID 3884 wrote to memory of 2856	3884	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	84
PID 3884 wrote to memory of 5012	3884	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	85
PID 3884 wrote to memory of 5012	3884	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	85
PID 3884 wrote to memory of 5012	3884	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	85
PID 3884 wrote to memory of 5012	3884	c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3884
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 480
      4⤵
      Program crash
      PID:1496
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 488
      4⤵
      Program crash
      PID:740
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - 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 SetWindowsHookEx
    PID:5012
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 996
      4⤵
      Program crash
      PID:3148
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 1004
      4⤵
      Program crash
      PID:4052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2856 -ip 2856
1⤵
PID:4852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5012 -ip 5012
1⤵
PID:2600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2856 -ip 2856
1⤵
PID:2668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 5012 -ip 5012
1⤵
PID:1532

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/2856-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2856-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3884-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3884-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3884-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3884-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3884-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5012-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5012-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5012-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5012-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads