xtremerat | 57d21d6d9530678bdafd4ffe8f1f637bbfcba254ecb05cdad2623d0b0cba3da9

General

Target

JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe
Size

201KB
MD5

e20a8efbd4adf6a9cffd9e4f4b5402af
SHA1

d6e5f381f58e2b63481c4c9f42058a97236ee7a1
SHA256

57d21d6d9530678bdafd4ffe8f1f637bbfcba254ecb05cdad2623d0b0cba3da9
SHA512

f7884f4e8bdf5ea3c122267d091fee3b45aa877e2e4d9e4876a598f0f885ccf97af4ab1590641f58e91e353f9194f6bd4c7c1ed1663eabc2b1a5464dd7bfde1e
SSDEEP

3072:b1dlKwgj23+Oz05YoNozaOY4zVfqCr7L6lAoDy0I2IOGDJmgDFh6d7cy:b1dlZro5yzZH2Py0I2IOG9pDH62y

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ayada.no-ip.info

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/3640-35-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/3640-34-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/116-39-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2924-41-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/3640-42-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral2/memory/2924-44-0x0000000000C80000-0x0000000000C96000-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\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}	Project1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	Project1.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{526D7626-7DE5-63MU-CSCC-7A31T284O28A}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	svchost.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
40	3036	Process not Found

Checks computer location settings 2 TTPs 1 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-1-5-21-3591594829-2464889670-1367169939-1000\Control Panel\International\Geo\Nation	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe

Executes dropped EXE 2 IoCs

pid	Process
2852	Project1.exe
3640	Project1.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\\InstallDir\\Server.exe"	Project1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3591594829-2464889670-1367169939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	Project1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3591594829-2464889670-1367169939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 3640	2852	Project1.exe	85

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3640-30-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3640-33-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3640-35-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3640-34-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/116-39-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2924-41-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/3640-42-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/2924-44-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\KKKÿgghévv\|íggYùˆˆAÿ	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe
File created	C:\Program Files\Project1.exe	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe
File opened for modification	C:\Program Files\ÿÿÿÿÿÿÿ	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe
File created	C:\Program Files\Icon_19.ico	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\InstallDir\Server.exe	Project1.exe
File opened for modification	C:\Windows\InstallDir\Server.exe	Project1.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 6 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	Project1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Project1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1568	MicrosoftEdgeUpdate.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2852	Project1.exe
2924	explorer.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2852	2804	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe	84
PID 2804 wrote to memory of 2852	2804	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe	84
PID 2804 wrote to memory of 2852	2804	JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe	84
PID 2852 wrote to memory of 3640	2852	Project1.exe	85
PID 2852 wrote to memory of 3640	2852	Project1.exe	85
PID 2852 wrote to memory of 3640	2852	Project1.exe	85
PID 2852 wrote to memory of 3640	2852	Project1.exe	85
PID 2852 wrote to memory of 3640	2852	Project1.exe	85
PID 2852 wrote to memory of 3640	2852	Project1.exe	85
PID 2852 wrote to memory of 3640	2852	Project1.exe	85
PID 2852 wrote to memory of 3640	2852	Project1.exe	85
PID 3640 wrote to memory of 116	3640	Project1.exe	86
PID 3640 wrote to memory of 116	3640	Project1.exe	86
PID 3640 wrote to memory of 116	3640	Project1.exe	86
PID 3640 wrote to memory of 116	3640	Project1.exe	86
PID 3640 wrote to memory of 3060	3640	Project1.exe	87
PID 3640 wrote to memory of 3060	3640	Project1.exe	87
PID 3640 wrote to memory of 3060	3640	Project1.exe	87
PID 3640 wrote to memory of 2096	3640	Project1.exe	88
PID 3640 wrote to memory of 2096	3640	Project1.exe	88
PID 3640 wrote to memory of 2096	3640	Project1.exe	88
PID 3640 wrote to memory of 2924	3640	Project1.exe	89
PID 3640 wrote to memory of 2924	3640	Project1.exe	89
PID 3640 wrote to memory of 2924	3640	Project1.exe	89
PID 3640 wrote to memory of 2924	3640	Project1.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e20a8efbd4adf6a9cffd9e4f4b5402af.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Program Files\Project1.exe
  "C:\Program Files\Project1.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Program Files\Project1.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3640
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:116
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      PID:3060
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      PID:2096
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:2924

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7QzE5MDg5NTMtOTQ4QS00Q0MwLUE0MUYtRkZCMENFREM3OTI5fSIgdXNlcmlkPSJ7RTUyRjIwNzYtMUUzNi00RDRBLUE3RTQtRDNGOUY0NEQ4MzJFfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7OTU3OEI4QUMtQjQ1Qi00QzBGLUFBNDgtMzczQ0EwMjA2NTlDfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDc4ODQzNTY4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1568

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Project1.exe

Filesize
121KB

MD5
5f196fc3bd4b0e264c3eac02488f7ff2

SHA1
a3e8d91b30bb66d6d7fecf859ae1f74f7c669614

SHA256
673f296dabec3508ab4fceb56ddeebf60de0a64b036cb4148cbf0186252329df

SHA512
c4b728b6156ed2cb15b2ef91f00256ba35db3c03e711980e4d94e861062dc7ebd193d5455955b2f0402ff572020b8673cd403e6b8e0629ecc5a0b9f41f44b817

Download Submit
C:\Users\Admin\AppData\Local\Temp\sfx.ini

Filesize
218B

MD5
f235e1810d8d8b7072a558b57cfb2ee4

SHA1
96f992af68f4bff4d863b285444927767c9a1bcc

SHA256
f942ab10149a717eea8fc376b68813b2419fc5a04b08d6718e72279dedd5bc6b

SHA512
6c1fde80d41c08d558b69fdf47d5e32b1f367f4d8f56aec7891ff08dacb98aa9147879546bbbc31167f4fb82a64c12bee7956346c0bee583bfd9a2a2e3cdaca2

Download Submit
memory/116-39-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2924-41-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2924-44-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3640-30-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3640-33-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3640-35-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3640-34-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/3640-42-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads