xtremerat | 56ada6719c45c3ef447a57c7b63c52892f2db11713a09d43434a15c16f95d66f

General

Target

dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe
Size

39KB
MD5

dd5e6030d58c06eefa009462eca2dd79
SHA1

4a2b284b304ee39256f3650836118554ea2b8579
SHA256

56ada6719c45c3ef447a57c7b63c52892f2db11713a09d43434a15c16f95d66f
SHA512

49392830866f02dad7c8b97df410baeb611e7b509aba8d1598518621387b56b2866e46e646e3b76486c10d751a5208287de316a9e0e9fffc700deac317475d59
SSDEEP

768:uMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66l0FIB4XIcbVhb2g8h2x:LNW71rcYDAWeotvXl044XIcHb2g8h

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

king312.no-ip.org

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/2288-1-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/1160-2-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/5088-4-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/1160-7-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/1160-8-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/1160-6-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/2288-10-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral2/memory/1160-11-0x0000000010000000-0x0000000010051000-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\{SQ6IAH18-35S8-K355-7D4U-J30Y776SGY2W}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{SQ6IAH18-35S8-K355-7D4U-J30Y776SGY2W}\StubPath = "C:\\Windows\\system32\\InstallDir\\Wt.exe restart"	svchost.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\\system32\\InstallDir\\Wt.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Wt.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Wt.exe	svchost.exe
File created	C:\Windows\SysWOW64\InstallDir\Wt.exe	svchost.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5088-0-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/2288-1-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/1160-2-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/5088-4-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/1160-7-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/1160-8-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/1160-6-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/2288-10-0x0000000010000000-0x0000000010051000-memory.dmp	upx
behavioral2/memory/1160-11-0x0000000010000000-0x0000000010051000-memory.dmp	upx

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
1524	2288	WerFault.exe	83
3308	1160	WerFault.exe	84
3516	2288	WerFault.exe	83
1592	1160	WerFault.exe	84

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	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1160	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2288	5088	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe	83
PID 5088 wrote to memory of 2288	5088	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe	83
PID 5088 wrote to memory of 2288	5088	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe	83
PID 5088 wrote to memory of 2288	5088	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe	83
PID 5088 wrote to memory of 1160	5088	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe	84
PID 5088 wrote to memory of 1160	5088	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe	84
PID 5088 wrote to memory of 1160	5088	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe	84
PID 5088 wrote to memory of 1160	5088	dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd5e6030d58c06eefa009462eca2dd79_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 476
    3⤵
    - Program crash
    PID:1524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 488
    3⤵
    - Program crash
    PID:3516
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 984
    3⤵
    - Program crash
    PID:3308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 992
    3⤵
    - Program crash
    PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2288 -ip 2288
1⤵
PID:4764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1160 -ip 1160
1⤵
PID:1748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2288 -ip 2288
1⤵
PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1160 -ip 1160
1⤵
PID:772

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/1160-2-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1160-7-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1160-8-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1160-6-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1160-11-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2288-1-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2288-10-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/5088-0-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/5088-4-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads