xtremerat | 4b8f2efc6b6708212a37f77d12106a05bfd95d2472b8b457ab106026931c8950

General

Target

JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe
Size

97KB
MD5

d9798a31ce84b181f6883ebdbdc14aac
SHA1

17aaae4a5d11f15514542abc45c58a38570ca224
SHA256

4b8f2efc6b6708212a37f77d12106a05bfd95d2472b8b457ab106026931c8950
SHA512

5d30fc7c6991ea2d657e8808f3174e3d2aaf3468f39bf5553bea4d60c6a578c654cbddbb36256d47bd69602bf830f570d6eaa6fb572e35f724e44fc5ca5d0791
SSDEEP

1536:/7zXAgMgOFfBzXqNW71rcYDAWeotvXl6GLT:Tjl5OJjqNW7dEvotvX4GL

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

franco1.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4528-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4528-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4224-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4528-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4224-9-0x0000000010000000-0x000000001004D000-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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
39	2356	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4872 set thread context of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4528-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4528-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4528-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4528-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4224-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4528-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4224-9-0x0000000010000000-0x000000001004D000-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
3000	4224	WerFault.exe	92
4960	4224	WerFault.exe	92

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	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.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
536	MicrosoftEdgeUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91
PID 4872 wrote to memory of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91
PID 4872 wrote to memory of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91
PID 4872 wrote to memory of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91
PID 4872 wrote to memory of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91
PID 4872 wrote to memory of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91
PID 4872 wrote to memory of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91
PID 4872 wrote to memory of 4528	4872	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	91
PID 4528 wrote to memory of 4224	4528	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	92
PID 4528 wrote to memory of 4224	4528	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	92
PID 4528 wrote to memory of 4224	4528	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	92
PID 4528 wrote to memory of 4224	4528	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	92
PID 4528 wrote to memory of 5024	4528	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	93
PID 4528 wrote to memory of 5024	4528	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	93
PID 4528 wrote to memory of 5024	4528	JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4872
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9798a31ce84b181f6883ebdbdc14aac.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4528
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4224
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 480
      4⤵
      Program crash
      PID:3000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 500
      4⤵
      Program crash
      PID:4960
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5024

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ5MjgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNzQzMjM4OTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODU2NDE4ODk1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4224 -ip 4224
1⤵
PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4224 -ip 4224
1⤵
PID:3028

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/4224-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4224-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4528-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4528-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4528-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4528-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4528-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing