xtremerat | 7ac4d003519a7320b9f78da2e8c3cf3403723b6953d880de7729a1944b6a7538

General

Target

7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
Size

81KB
MD5

7573f260584e77ff3fc8466bf97e869c
SHA1

8a986404666dacc90a096b775770acf0bd89c68e
SHA256

7ac4d003519a7320b9f78da2e8c3cf3403723b6953d880de7729a1944b6a7538
SHA512

480986f1c52d6bc8ac22acc2fe3beea0691511f7d43dd5a54d02981da458c3894b5090d8f6a171bb5f0f7a153153757a6767f559f61766a67cf85643fee2664f
SSDEEP

1536:ufjaSbVWcQQFVyoAX/XFlQaQYGvEqvyzqcWvCIBvZ:6jaeY9QFVyoAIdvE8IWvCI1Z

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

4ƣ借俠pink2010.no-ip.org

Signatures

Detect XtremeRAT payload 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3488-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3488-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4184-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3488-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3488-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4184-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3488-14-0x0000000010000000-0x000000001004D000-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

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

Processes:

7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{NRNO450C-H7D6-DQA1-7X64-J5FOSV423KYK}	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{NRNO450C-H7D6-DQA1-7X64-J5FOSV423KYK}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

description	pid	process	target process
PID 2080 set thread context of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3488-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3488-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3488-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3488-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4184-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3488-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3488-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4184-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3488-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

Processes:

7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\InstallDir\Server.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Server.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3380 4184 WerFault.exe svchost.exe
3512 4184 WerFault.exe svchost.exe

pid	pid_target	process	target process
3380	4184	WerFault.exe	svchost.exe
3512	4184	WerFault.exe	svchost.exe

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

Processes:

7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

pid process

2080 7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
3488 7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

pid	process
2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
3488	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe

description	pid	process	target process
PID 2080 wrote to memory of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
PID 2080 wrote to memory of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
PID 2080 wrote to memory of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
PID 2080 wrote to memory of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
PID 2080 wrote to memory of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
PID 2080 wrote to memory of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
PID 2080 wrote to memory of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
PID 2080 wrote to memory of 3488	2080	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
PID 3488 wrote to memory of 4184	3488	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	svchost.exe
PID 3488 wrote to memory of 4184	3488	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	svchost.exe
PID 3488 wrote to memory of 4184	3488	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	svchost.exe
PID 3488 wrote to memory of 4184	3488	7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\7573f260584e77ff3fc8466bf97e869c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\7573f260584e77ff3fc8466bf97e869c_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 SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 488
      4⤵
      Program crash
      PID:3380
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 496
      4⤵
      Program crash
      PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4184 -ip 4184
1⤵
PID:8

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4184 -ip 4184
1⤵
PID:3632

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/2080-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2080-5-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3488-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3488-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3488-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3488-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3488-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3488-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3488-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4184-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4184-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads