xtremerat | 24844deb6bc575909d3f1512bfbb1393500ed275d43ed78cfabf8a4ab95508c9

General

Target

f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe
Size

314KB
MD5

f198c48a8d0003c9bc62e299bd86eaff
SHA1

7f9093e9c96b9811729d20816c7b1021f1baf160
SHA256

24844deb6bc575909d3f1512bfbb1393500ed275d43ed78cfabf8a4ab95508c9
SHA512

51ef5d07530b2082ecee80ab95946185506044a68d94e223b306f52cc37c38be0a8296de57e635aefa38eb12553b83cb94bfe370443204d67afbe710b395dcf6
SSDEEP

3072:5r/hHl/zZSc5H+FfTaHu6Y0qO4/PitFCoJq68sUO2A8+wJgMGtD65belaDg2wlgN:mkmhbtnd8qVMjptDHaDg2YoDA80bHI

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

rabah1627.zapto.org

Signatures

Detect XtremeRAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2360-3-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2360-5-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2360-8-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2360-4-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2276-13-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2360-17-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2692-16-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2692-19-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2276-21-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2692-22-0x0000000010000000-0x0000000010047000-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 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\\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\\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\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3012-0-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/3012-9-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/3012-7-0x00000000029A0000-0x0000000002AE3000-memory.dmp	upx
behavioral1/files/0x000700000001945c-20.dat	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	notepad.exe
File created	C:\Windows\InstallDir\Server.exe	notepad.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	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f198c48a8d0003c9bc62e299bd86eaff_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
3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe
2692	notepad.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2360	3012	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	30
PID 2360 wrote to memory of 2276	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2276	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2276	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2276	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2276	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2692	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2692	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2692	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2692	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2692	2360	f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f198c48a8d0003c9bc62e299bd86eaff_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - 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:2276
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - 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:2692

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
314KB

MD5
f198c48a8d0003c9bc62e299bd86eaff

SHA1
7f9093e9c96b9811729d20816c7b1021f1baf160

SHA256
24844deb6bc575909d3f1512bfbb1393500ed275d43ed78cfabf8a4ab95508c9

SHA512
51ef5d07530b2082ecee80ab95946185506044a68d94e223b306f52cc37c38be0a8296de57e635aefa38eb12553b83cb94bfe370443204d67afbe710b395dcf6

Download Submit
memory/2276-10-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2276-21-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2276-13-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2360-17-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2360-4-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2360-8-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2360-5-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2360-3-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2692-16-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2692-19-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2692-22-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3012-7-0x00000000029A0000-0x0000000002AE3000-memory.dmp

Filesize
1.3MB

Download
memory/3012-9-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/3012-0-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads