xtremerat | 570e6d60f5a8ce2ff57d6f7ed19f810571ba012aa0c8c3f595b038548afcce14

General

Target

JaffaCakes118_8cc3b26117629a5641e9c4667fb07c03.exe
Size

272KB
MD5

8cc3b26117629a5641e9c4667fb07c03
SHA1

c45997887663bec504f5349ad56fa7b0a1dfdb57
SHA256

570e6d60f5a8ce2ff57d6f7ed19f810571ba012aa0c8c3f595b038548afcce14
SHA512

caf2b8c67a39f7032493f656df6b61b47aadd9d13b986197806dff351e9fbddb52131c9d65ca0155b2150c1216c4daf857ec4f9ef2210c03eb0967af8ba8afe0
SSDEEP

6144:MijYe4VGbYuIo0B+38EcdOEavzbToU7OYQY7GhsGplVyQIh:Mw4VrnZddWfOYTST/VyN

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/3456-30-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/3456-32-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/3456-35-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/3456-36-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/2968-42-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/3456-44-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/2968-47-0x0000000000C80000-0x0000000000C92000-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}	jpgg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Program Files (x86)\\imagem\\root.exe restart"	jpgg.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	JaffaCakes118_8cc3b26117629a5641e9c4667fb07c03.exe
Key value queried	\REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	11.exe

Executes dropped EXE 3 IoCs

pid	Process
2324	11.exe
4412	jpgg.exe
3456	jpgg.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:\\Program Files (x86)\\imagem\\root.exe"	jpgg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\imagem\\root.exe"	jpgg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4412 set thread context of 3456	4412	jpgg.exe	88

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\imagem\root.exe	jpgg.exe
File created	C:\Program Files (x86)\imagem\root.exe	jpgg.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 5 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_8cc3b26117629a5641e9c4667fb07c03.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jpgg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jpgg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	calc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4412	jpgg.exe
2968	calc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 2324	3116	JaffaCakes118_8cc3b26117629a5641e9c4667fb07c03.exe	86
PID 3116 wrote to memory of 2324	3116	JaffaCakes118_8cc3b26117629a5641e9c4667fb07c03.exe	86
PID 3116 wrote to memory of 2324	3116	JaffaCakes118_8cc3b26117629a5641e9c4667fb07c03.exe	86
PID 2324 wrote to memory of 4412	2324	11.exe	87
PID 2324 wrote to memory of 4412	2324	11.exe	87
PID 2324 wrote to memory of 4412	2324	11.exe	87
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 4412 wrote to memory of 3456	4412	jpgg.exe	88
PID 3456 wrote to memory of 2968	3456	jpgg.exe	89
PID 3456 wrote to memory of 2968	3456	jpgg.exe	89
PID 3456 wrote to memory of 2968	3456	jpgg.exe	89
PID 3456 wrote to memory of 2968	3456	jpgg.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8cc3b26117629a5641e9c4667fb07c03.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8cc3b26117629a5641e9c4667fb07c03.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Users\Admin\AppData\Local\Temp\11.exe
  "C:\Users\Admin\AppData\Local\Temp\11.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Users\Admin\AppData\Local\Temp\jpgg.exe
    "C:\Users\Admin\AppData\Local\Temp\jpgg.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4412
  - - C:\Users\Admin\AppData\Local\Temp\jpgg.exe
      C:\Users\Admin\AppData\Local\Temp\jpgg.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3456
    - - C:\Windows\SysWOW64\calc.exe
        
        calc.exe
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2968

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

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\11.exe

Filesize
216KB

MD5
55baef9d701bec9a2c44cccd7ce1333d

SHA1
4935ebd06b5e26fb5e7bac8c74ada12e03d7a6ac

SHA256
c812954b2900388eb929892a63329a23fbdfe28809b4c5cbc6f4c26ffcfa9325

SHA512
af4e330b0f1ceb6bc211766574fef677ed8836c171f759bfd134afca010417c9e8fe46b66a34a9890a87f765660702ddb02a15861afd29a00010ee72c4718533

Download Submit
C:\Users\Admin\AppData\Local\Temp\jpgg.exe

Filesize
93KB

MD5
937ca1e47a3b26c535e9590189ed6ba4

SHA1
271e8d46a5ad42a174c545375acc28470a12c469

SHA256
80e13874dac35cfaf935ff64705c90cfb8f92e0474a5b13041862d88746531c6

SHA512
947349b1bbd86b55b563a314e5fb823dc42eb0eb972db5330c1d3bd1607f0f2e1108673ad83723e1e179a4ab821b8609aada3a390494b4c5f46178e95b53298a

Download Submit
memory/2324-45-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2968-47-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2968-42-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/3116-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3456-44-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/3456-30-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/3456-32-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/3456-35-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/3456-36-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/4412-26-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/4412-34-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4412-24-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads