xtremerat | c78f808fa6c3a643232b4d3c5f88e2b396e1ffca54d42ddd2771fe70a222fa3f

General

Target

db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe
Size

61KB
MD5

db5aef4f5492fbe3b91ee8378990fda8
SHA1

4f8cfbc766546c901db03e5caf6f8ee68eac80f2
SHA256

c78f808fa6c3a643232b4d3c5f88e2b396e1ffca54d42ddd2771fe70a222fa3f
SHA512

80b07f0a6a4a7e66a6fd7151e05fa68b0b7860a486735820d233a7505f0bc341cf0fd84a047fe7bccdb831b931cf70cbd6a7b1e5d9b5645494c6dd0f69287f12
SSDEEP

1536:pT8qDqQ8K9MKhuiUMKgP2koJxg8tl5NXx:tqMyKQLLg8/V

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

amhi.no-ip.info

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2324-2-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/3044-5-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2312-6-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/3044-9-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/files/0x0008000000016875-10.dat	family_xtremerat
behavioral1/memory/2324-11-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/3044-12-0x0000000010000000-0x0000000010047000-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\{OK78736S-42O5-3NC0-4M31-L30Q5R78HMEH}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{OK78736S-42O5-3NC0-4M31-L30Q5R78HMEH}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	notepad.exe

Deletes itself 1 IoCs

pid	Process
3044	notepad.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\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	notepad.exe
File created	C:\Windows\InstallDir\Server.exe	notepad.exe
File opened for modification	C:\Windows\InstallDir\	notepad.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 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	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.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 SetWindowsHookEx 1 IoCs

pid	Process
3044	notepad.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2324	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2324	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2324	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2324	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2324	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	30
PID 2312 wrote to memory of 3044	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	31
PID 2312 wrote to memory of 3044	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	31
PID 2312 wrote to memory of 3044	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	31
PID 2312 wrote to memory of 3044	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	31
PID 2312 wrote to memory of 3044	2312	db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db5aef4f5492fbe3b91ee8378990fda8_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Deletes itself
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3044

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:\Windows\InstallDir\Server.exe

Filesize
61KB

MD5
db5aef4f5492fbe3b91ee8378990fda8

SHA1
4f8cfbc766546c901db03e5caf6f8ee68eac80f2

SHA256
c78f808fa6c3a643232b4d3c5f88e2b396e1ffca54d42ddd2771fe70a222fa3f

SHA512
80b07f0a6a4a7e66a6fd7151e05fa68b0b7860a486735820d233a7505f0bc341cf0fd84a047fe7bccdb831b931cf70cbd6a7b1e5d9b5645494c6dd0f69287f12

Download Submit
memory/2312-6-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2324-1-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2324-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2324-11-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3044-5-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3044-9-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3044-12-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads