xtremerat | 3db790e11b94c8259a39623b0ab4a70dda8a8d67c14e69755213f107d976ada1

General

Target

JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe
Size

25KB
MD5

4708ece1802d61ef3fdc620134b960e1
SHA1

1f8a84da1fc3cecc4d1ba2f951d92f6b62828f4b
SHA256

3db790e11b94c8259a39623b0ab4a70dda8a8d67c14e69755213f107d976ada1
SHA512

6e1344de6f728d9094c6b163534fda362745586e3b18bc339105796f26e5ae46db8e4967cfabcdb7aa7a6c9bd3611d1068c14071dbb5c9dc906e4960a319ea77
SSDEEP

384:xLpj7eNmfp+UrM8j3Mk8mw2Qwz9cEVWNuOuuOYPq8P9iYwbzuvExgRW2r3p:xmmfpbM8j8wQwz9caAuxYyuJExrS

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

momed.no-ip.info

Signatures

Detect XtremeRAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/3188-5-0x0000000013140000-0x000000001315F000-memory.dmp	family_xtremerat
behavioral2/memory/3256-9-0x0000000013140000-0x000000001315F000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\system.exe restart"	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.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\\system.exe"	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\system.exe"	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\system.exe	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe
File created	C:\Windows\SysWOW64\InstallDir\system.exe	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe
File opened for modification	C:\Windows\SysWOW64\InstallDir\	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3256-0-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral2/memory/3188-5-0x0000000013140000-0x000000001315F000-memory.dmp	upx
behavioral2/memory/3256-9-0x0000000013140000-0x000000001315F000-memory.dmp	upx

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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 3188	3256	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe	78
PID 3256 wrote to memory of 3188	3256	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe	78
PID 3256 wrote to memory of 3188	3256	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe	78
PID 3256 wrote to memory of 3188	3256	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe	78
PID 3256 wrote to memory of 3640	3256	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe	79
PID 3256 wrote to memory of 3640	3256	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe	79
PID 3256 wrote to memory of 3640	3256	JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe	79
PID 3640 wrote to memory of 4160	3640	cmd.exe	81
PID 3640 wrote to memory of 4160	3640	cmd.exe	81
PID 3640 wrote to memory of 4160	3640	cmd.exe	81

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4160	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3188
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SelfDelete.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Windows\SysWOW64\attrib.exe
    attrib -A -S -H "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4708ece1802d61ef3fdc620134b960e1.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4160

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

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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:\Users\Admin\AppData\Local\Temp\SelfDelete.bat

Filesize
368B

MD5
eb201b4e6828711d882c20794aae62c7

SHA1
c62575d2b96cbc1fd6983acb1ce576502716cef8

SHA256
70572faffb027583cd8a3ea5a47f863806764e60d15213346b5fe635dac7ad3b

SHA512
7a6e07be5d6dd790c53b780c2684457db49a0be765568abd0036028553be0d53fa4f5a0b7e66e66fd507d2db50a7022a1cec1b0595d406e5871888c194cc8257

Download Submit
memory/3188-5-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/3256-0-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download
memory/3256-9-0x0000000013140000-0x000000001315F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads