xtremerat | 87bb4d108c420873c15e7d87d22182b2764f7a9be78cf40d2ab9af8e59645f62

General

Target

JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe
Size

805KB
MD5

f7e7c262b546b461a81763bc3831d0d9
SHA1

73456616c3f3c659ef7111666ffcb522390f4804
SHA256

87bb4d108c420873c15e7d87d22182b2764f7a9be78cf40d2ab9af8e59645f62
SHA512

9142974838ece6c105923387133c31ea75ddebe7efe8a01e281e67626ea2e43523f744020887412cf030798c98a563e41d86c54d5aab965aed43daeaf4ce4777
SSDEEP

12288:z8FNK/GdSDaqFmadIg4KaoSLBBjjP0MccUXUs2HFs7sIgn585n7i:YFvca8wg4XHPzccAN2HFsoIgiG

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

nerozhack.ddns.com.br

alonedevil.no-ip.org

gameszero.dyndns.org

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/3016-21-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2768-28-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2864-31-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2864-33-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2768-35-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2864-36-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\System.exe	taskmgr.exe
File created	C:\Windows\system32\drivers\etc\System.exe	taskmgr.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\UpdaterStartupUtility = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	taskmgr.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\PlusServices = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	taskmgr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UpdaterStartupUtility = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\PlusServices = "C:\\Windows\\system32\\drivers\\etc\\System.exe"	svchost.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1880-14-0x0000000000400000-0x0000000000580000-memory.dmp	autoit_exe
behavioral1/memory/2112-23-0x0000000002CF0000-0x0000000002E70000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1880 set thread context of 2112	1880	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	31
PID 2112 set thread context of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1880-0-0x0000000000400000-0x0000000000580000-memory.dmp	upx
behavioral1/memory/1880-1-0x00000000027B0000-0x0000000002930000-memory.dmp	upx
behavioral1/memory/2112-6-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2112-4-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2112-8-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2112-11-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1880-14-0x0000000000400000-0x0000000000580000-memory.dmp	upx
behavioral1/memory/2112-16-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2112-12-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/3016-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2112-25-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/3016-21-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3016-18-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2768-28-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-31-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-33-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/files/0x000e00000001537c-34.dat	upx
behavioral1/memory/2768-35-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2864-36-0x0000000010000000-0x000000001004D000-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 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_f7e7c262b546b461a81763bc3831d0d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskmgr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe
2864	taskmgr.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 2112	1880	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	31
PID 1880 wrote to memory of 2112	1880	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	31
PID 1880 wrote to memory of 2112	1880	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	31
PID 1880 wrote to memory of 2112	1880	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	31
PID 1880 wrote to memory of 2112	1880	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	31
PID 1880 wrote to memory of 2112	1880	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	31
PID 1880 wrote to memory of 2112	1880	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	31
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 2112 wrote to memory of 3016	2112	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	32
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	33
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	33
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	33
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	33
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	33
PID 3016 wrote to memory of 2864	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	34
PID 3016 wrote to memory of 2864	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	34
PID 3016 wrote to memory of 2864	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	34
PID 3016 wrote to memory of 2864	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	34
PID 3016 wrote to memory of 2864	3016	JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7e7c262b546b461a81763bc3831d0d9.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3016
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2768
  - - C:\WINDOWS\SysWOW64\taskmgr.exe
      C:\WINDOWS\system32\taskmgr.exe
      4⤵
      Drops file in Drivers directory
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

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\system32\drivers\etc\System.exe

Filesize
805KB

MD5
f7e7c262b546b461a81763bc3831d0d9

SHA1
73456616c3f3c659ef7111666ffcb522390f4804

SHA256
87bb4d108c420873c15e7d87d22182b2764f7a9be78cf40d2ab9af8e59645f62

SHA512
9142974838ece6c105923387133c31ea75ddebe7efe8a01e281e67626ea2e43523f744020887412cf030798c98a563e41d86c54d5aab965aed43daeaf4ce4777

Download Submit
memory/1880-0-0x0000000000400000-0x0000000000580000-memory.dmp

Filesize
1.5MB

Download
memory/1880-1-0x00000000027B0000-0x0000000002930000-memory.dmp

Filesize
1.5MB

Download
memory/1880-14-0x0000000000400000-0x0000000000580000-memory.dmp

Filesize
1.5MB

Download
memory/2112-11-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2112-8-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2112-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2112-4-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2112-16-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2112-12-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2112-6-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2112-25-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2112-23-0x0000000002CF0000-0x0000000002E70000-memory.dmp

Filesize
1.5MB

Download
memory/2768-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2768-28-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2768-35-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-31-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-33-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2864-36-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3016-18-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3016-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3016-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads