xtremerat | a2f412450206574cc56000839c22793678f243c1288c0f58d58f5defa5c5454d

General

Target

JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe
Size

140KB
MD5

c7b1e483329997a55ddf48c48014c703
SHA1

65d7942ac561dd33fe06518194eecf801b11d485
SHA256

a2f412450206574cc56000839c22793678f243c1288c0f58d58f5defa5c5454d
SHA512

74fc5e49f24f7aa837f8fd2b5a6f42a1d54b739f05cb2e4167132509caadee51f82925744efe15e1c00b0a0815def8de7e3d61df98bab50481cbd71497cf1582
SSDEEP

3072:eZRa2AjGRD34WPjykgJnZO/TIxM75QHPUk090C5mi:eORrWYJCIxA5eMk090CT

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

majd99.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3972-8-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/1912-9-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/1912-10-0x0000000010000000-0x000000001004B000-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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
17	3504	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1920 set thread context of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3972-4-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3972-6-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3972-8-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/1912-9-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/1912-10-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3244	1912	WerFault.exe	88
3816	1912	WerFault.exe	88

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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
4756	MicrosoftEdgeUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87
PID 1920 wrote to memory of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87
PID 1920 wrote to memory of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87
PID 1920 wrote to memory of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87
PID 1920 wrote to memory of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87
PID 1920 wrote to memory of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87
PID 1920 wrote to memory of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87
PID 1920 wrote to memory of 3972	1920	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	87
PID 3972 wrote to memory of 1912	3972	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	88
PID 3972 wrote to memory of 1912	3972	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	88
PID 3972 wrote to memory of 1912	3972	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	88
PID 3972 wrote to memory of 1912	3972	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	88
PID 3972 wrote to memory of 3644	3972	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	89
PID 3972 wrote to memory of 3644	3972	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	89
PID 3972 wrote to memory of 3644	3972	JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7b1e483329997a55ddf48c48014c703.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3972
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 480
      4⤵
      Program crash
      PID:3244
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 476
      4⤵
      Program crash
      PID:3816
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1912 -ip 1912
1⤵
PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1912 -ip 1912
1⤵
PID:4116

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7MjI0M0IxM0QtM0Q1MC00RDg3LUFCQUEtMDQyQUY0RjVBMDYzfSIgdXNlcmlkPSJ7RTY1MjI3NDAtRDAwNy00OUQ3LUIzQTAtMDExM0IxNDVDQzgyfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7MjdGQ0QyNzYtNEU1NC00NDg5LTg1OUMtNTNGMTcyMjc3OTQ1fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDY4NzQ3NjgwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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

Replay Monitor

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Downloads

memory/1912-9-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/1912-10-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/1920-0-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1920-1-0x0000000000401000-0x0000000000428000-memory.dmp

Filesize
156KB

Download
memory/1920-7-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/3972-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3972-6-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3972-8-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing