xtremerat | 23d4c103d5de5b0f9b215a213aa431cc4a500b726bea76bd326c5913f69189b3

General

Target

5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
Size

56KB
MD5

5158d8d70b950bb864423bca80b809ca
SHA1

df6077f120092cb9e131feef0605cda3ba6c1979
SHA256

23d4c103d5de5b0f9b215a213aa431cc4a500b726bea76bd326c5913f69189b3
SHA512

1e85455969ea6d11a1fc013ddcd395e38afbb690d3fee0c1f281d93311e0caeb3f7e4f7000fbec7811b9a6819ddb806d1b92e71cb349c845df61bc327609f8fa
SSDEEP

768:bKh7PU5H1xSHEBIuM8+SwZMNUyvsUxdY7GPyir5KIExlkAM7U3ta5p:ePIucIVULv1mlUXw90

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

nait.no-ip.biz

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/380-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/380-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/484-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/380-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2392-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2392-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/484-17-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2392-18-0x0000000010000000-0x000000001004D000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	notepad.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe"	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\\system32\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	notepad.exe

Drops file in System32 directory 2 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/380-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/380-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/380-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/380-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/484-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/380-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2392-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2392-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/484-17-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2392-18-0x0000000010000000-0x000000001004D000-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	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5158d8d70b950bb864423bca80b809ca_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 2 IoCs

pid	Process
2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
2392	notepad.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 2296 wrote to memory of 380	2296	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	30
PID 380 wrote to memory of 484	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	31
PID 380 wrote to memory of 484	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	31
PID 380 wrote to memory of 484	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	31
PID 380 wrote to memory of 484	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	31
PID 380 wrote to memory of 484	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	31
PID 380 wrote to memory of 2392	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	32
PID 380 wrote to memory of 2392	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	32
PID 380 wrote to memory of 2392	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	32
PID 380 wrote to memory of 2392	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	32
PID 380 wrote to memory of 2392	380	5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:380
- - 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:484
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - 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:2392

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\SysWOW64\InstallDir\Server.exe

Filesize
56KB

MD5
5158d8d70b950bb864423bca80b809ca

SHA1
df6077f120092cb9e131feef0605cda3ba6c1979

SHA256
23d4c103d5de5b0f9b215a213aa431cc4a500b726bea76bd326c5913f69189b3

SHA512
1e85455969ea6d11a1fc013ddcd395e38afbb690d3fee0c1f281d93311e0caeb3f7e4f7000fbec7811b9a6819ddb806d1b92e71cb349c845df61bc327609f8fa

Download Submit
memory/380-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/380-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/380-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/380-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/380-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/484-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/484-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/484-17-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2392-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2392-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2392-18-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads