xtremerat | fca938a9249dd5b49bd71e003a77928436fa9a8329d3e40bf64dfb0eb2828ae9

General

Target

6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
Size

144KB
MD5

6957193727c47e3125d25ad04b763bcc
SHA1

eac28b8fb99bda5cead28b52112671a222dec213
SHA256

fca938a9249dd5b49bd71e003a77928436fa9a8329d3e40bf64dfb0eb2828ae9
SHA512

4b5044bb4f92aa92a1e954922f7aa3b2ab2e53e59f8d5c05e0ff9942e92d89aa608ff16b2fc53cab8e10488113ef0b8e1b9bc591c78c135af1814ed7dc975f5d
SSDEEP

1536:glQbC086HfA6wKBZbryh0Vttv+uuvBIIZ7KwEGMGVtc906jZh:gybCUI4tgvnxxEmH6jv

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ayada.no-ip.info

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/4804-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/4804-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/208-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2372-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/4804-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2372-15-0x0000000000C80000-0x0000000000C96000-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

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\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}\StubPath = "C:\\Windows\\InstallDir\\Server.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:\\Windows\\InstallDir\\Server.exe"	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3676 set thread context of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4804-2-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/4804-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/4804-5-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/4804-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/208-10-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2372-12-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/4804-13-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2372-15-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Server.exe	6957193727c47e3125d25ad04b763bcc_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 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	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
2372	explorer.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84
PID 3676 wrote to memory of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84
PID 3676 wrote to memory of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84
PID 3676 wrote to memory of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84
PID 3676 wrote to memory of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84
PID 3676 wrote to memory of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84
PID 3676 wrote to memory of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84
PID 3676 wrote to memory of 4804	3676	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	84
PID 4804 wrote to memory of 208	4804	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	85
PID 4804 wrote to memory of 208	4804	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	85
PID 4804 wrote to memory of 208	4804	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	85
PID 4804 wrote to memory of 208	4804	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	85
PID 4804 wrote to memory of 2372	4804	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	86
PID 4804 wrote to memory of 2372	4804	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	86
PID 4804 wrote to memory of 2372	4804	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	86
PID 4804 wrote to memory of 2372	4804	6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6957193727c47e3125d25ad04b763bcc_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3676
- C:\Users\Admin\AppData\Local\Temp\6957193727c47e3125d25ad04b763bcc_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 WriteProcessMemory
  PID:4804
- - 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:208
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2372

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
144KB

MD5
6957193727c47e3125d25ad04b763bcc

SHA1
eac28b8fb99bda5cead28b52112671a222dec213

SHA256
fca938a9249dd5b49bd71e003a77928436fa9a8329d3e40bf64dfb0eb2828ae9

SHA512
4b5044bb4f92aa92a1e954922f7aa3b2ab2e53e59f8d5c05e0ff9942e92d89aa608ff16b2fc53cab8e10488113ef0b8e1b9bc591c78c135af1814ed7dc975f5d

Download Submit
memory/208-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2372-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2372-15-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/4804-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/4804-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/4804-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/4804-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/4804-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads