xtremerat | 9c8e9d37fe4ec0f5a6595cf88bd97d78a0b8b96693342c355868859156e06107

General

Target

cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
Size

142KB
MD5

cfe093395215bab9491fa7e8b74485f4
SHA1

b1f3305d94f0b486503ff97645808369442a3bf4
SHA256

9c8e9d37fe4ec0f5a6595cf88bd97d78a0b8b96693342c355868859156e06107
SHA512

6bda66ff11ae4e49de36ddd397011ab3737055026f263726ae0f270e8ab209727d05acad67a7c9504a2cd804fb7382466dbc0f1d5e52d9074958cbafa5d8f4f5
SSDEEP

3072:fPaZ0JKSs3hPSMNpwzyfzg2W1Rc8waKK5:ndsXKyM2k+8TN

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

vvnv12.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2376-20-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2376-22-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2376-25-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2376-26-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2376-30-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2376-29-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2376-31-0x0000000010000000-0x0000000010048000-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\{OB7CB2M6-6532-327F-3487-1NM1CN01S35R}	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{OB7CB2M6-6532-327F-3487-1NM1CN01S35R}\StubPath = "C:\\Windows\\Windows Genuine Advantage\\Advantage.exe restart"	cfe093395215bab9491fa7e8b74485f4_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\\Windows Genuine Advantage\\Advantage.exe"	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Windows Genuine Advantage\\Advantage.exe"	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
File opened for modification	C:\Windows\Windows Genuine Advantage\Advantage.exe	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
File created	C:\Windows\Windows Genuine Advantage\Advantage.exe	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
File opened for modification	C:\Windows\Windows Genuine Advantage\	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.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 2 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	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
2376	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2376	2604	cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\cfe093395215bab9491fa7e8b74485f4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cfe093395215bab9491fa7e8b74485f4_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
  PID:2376

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

Replay Monitor

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Downloads

memory/2376-20-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2376-31-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2376-29-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2376-30-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2376-26-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2376-25-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2376-22-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2604-6-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/2604-2-0x00000000001C0000-0x00000000001D0000-memory.dmp

Filesize
64KB

Download
memory/2604-9-0x0000000000720000-0x0000000000730000-memory.dmp

Filesize
64KB

Download
memory/2604-8-0x0000000000710000-0x0000000000720000-memory.dmp

Filesize
64KB

Download
memory/2604-7-0x0000000000700000-0x0000000000710000-memory.dmp

Filesize
64KB

Download
memory/2604-0-0x0000000000400000-0x0000000000424600-memory.dmp

Filesize
145KB

Download
memory/2604-5-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/2604-4-0x0000000000260000-0x0000000000270000-memory.dmp

Filesize
64KB

Download
memory/2604-3-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/2604-10-0x0000000000770000-0x0000000000780000-memory.dmp

Filesize
64KB

Download
memory/2604-1-0x00000000001B0000-0x00000000001C0000-memory.dmp

Filesize
64KB

Download
memory/2604-21-0x0000000000810000-0x0000000000835000-memory.dmp

Filesize
148KB

Download
memory/2604-11-0x0000000000780000-0x0000000000790000-memory.dmp

Filesize
64KB

Download
memory/2604-24-0x0000000000400000-0x0000000000424600-memory.dmp

Filesize
145KB

Download
memory/2604-12-0x0000000000790000-0x00000000007A0000-memory.dmp

Filesize
64KB

Download
memory/2604-13-0x00000000007A0000-0x00000000007B0000-memory.dmp

Filesize
64KB

Download
memory/2604-14-0x00000000007C0000-0x00000000007D0000-memory.dmp

Filesize
64KB

Download
memory/2604-15-0x00000000007D0000-0x00000000007E0000-memory.dmp

Filesize
64KB

Download
memory/2604-16-0x00000000007E0000-0x00000000007F0000-memory.dmp

Filesize
64KB

Download
memory/2604-17-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads