xtremerat | bcc8cd29e843ac184926822753d24623ad39b9e2584adb2f6ec60a091a8223c5

General

Target

JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
Size

673KB
MD5

a5e4c43242c4c6c72cbe6d4e3aaf7d1b
SHA1

8b507686bda2eb2bfa430ffe1ccffad67f433a53
SHA256

bcc8cd29e843ac184926822753d24623ad39b9e2584adb2f6ec60a091a8223c5
SHA512

73485625ad3dffb634536029c5424b55db5c36e5829e86443831a65e3d20f1b9fe9c2ddd42d3cf7534446436472ca693319376786e518aae67b42ccc3519128e
SSDEEP

12288:1rwRKJ0ym7liyLwvTyEXK/lGRgOUqmq9kR6lhKXxB3a9FsqJKB57d8fR:1rFJ0ym7vL6uEXK/cRgOnmq9g6cB36rH

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

fokzebi3ad.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2720-32-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2720-34-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2720-41-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2720-40-0x0000000010000000-0x0000000010048000-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\{O2HEM564-8DA1-865B-8B1H-88VB37T0NU10}	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{O2HEM564-8DA1-865B-8B1H-88VB37T0NU10}\StubPath = "C:\\Windows\\InstallDir\\InstallDir.exe restart"	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe

Adds Run key to start application 2 TTPs 3 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\\InstallDir.exe"	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\InstallDir.exe"	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "%InstallDir%"	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\InstallDir.exe	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
File created	C:\Windows\InstallDir\InstallDir.exe	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
File opened for modification	C:\Windows\InstallDir\	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.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 2 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	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
2720	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30
PID 2736 wrote to memory of 2720	2736	JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5e4c43242c4c6c72cbe6d4e3aaf7d1b.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 SetWindowsHookEx
  PID:2720

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/2720-32-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2720-40-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2720-41-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2720-34-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2736-13-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2736-10-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2736-25-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-24-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-23-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-22-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-21-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-20-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-19-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-18-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-17-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-16-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-15-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-14-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2736-1-0x00000000002C0000-0x0000000000320000-memory.dmp

Filesize
384KB

Download
memory/2736-12-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2736-11-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2736-26-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-9-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2736-8-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2736-7-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

Filesize
4KB

Download
memory/2736-6-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/2736-5-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

Download
memory/2736-4-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

Filesize
4KB

Download
memory/2736-3-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

Download
memory/2736-2-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/2736-27-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-37-0x0000000003A90000-0x0000000003BC2000-memory.dmp

Filesize
1.2MB

Download
memory/2736-36-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download
memory/2736-35-0x00000000002C0000-0x0000000000320000-memory.dmp

Filesize
384KB

Download
memory/2736-28-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-29-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/2736-0-0x0000000000400000-0x0000000000532000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads