xtremerat | 50b52cdcdc252ae89212ab5ac6aab3ac9bed93ecfd84ddcd8d234c6d1297d4a3

General

Target
470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe
Size 500KB
Sample240714-2ftdwsvfnn
SHA256 50b52cdcdc252ae89212ab5ac6aab3ac9bed93ecfd84ddcd8d234c6d1297d4a3
MD5 470fc513350a1e3309b8a57c63109d6a
SHA1 ec659a059e33424952458fa69bdf0251245b94f0
SHA512 77024b6ce2a4d4686cc4aaa924e2368b2be13eaa70f43dec2c25dbcdd1603e5f834e70a075cf64a04582e0a3be14a2e06dcee66ff523a57fcdc2a8079d1d07dc
SSDEEP 3072:DznbNNp4vh/16vU7mlFLnVMA763TC8WGitO8bAW+x+us9oyMbsngimzO6opX1bxM:DzJNpnSd+eRTonV4itGQeUVoTMa
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

moon2009us.linkpc.net

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4272-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4272-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2540-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4272-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2540-9-0x0000000010000000-0x000000001004D000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4272-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4272-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4272-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4272-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2540-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4272-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2540-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3264 set thread context of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85

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
1892	2540	WerFault.exe	87
2288	2540	WerFault.exe	87

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85
PID 3264 wrote to memory of 4272	3264	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	85
PID 4272 wrote to memory of 2540	4272	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	87
PID 4272 wrote to memory of 2540	4272	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	87
PID 4272 wrote to memory of 2540	4272	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	87
PID 4272 wrote to memory of 2540	4272	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	87
PID 4272 wrote to memory of 3236	4272	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	88
PID 4272 wrote to memory of 3236	4272	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	88
PID 4272 wrote to memory of 3236	4272	470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3264
- C:\Users\Admin\AppData\Local\Temp\470fc513350a1e3309b8a57c63109d6a_JaffaCakes118.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:2540
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 480
      4⤵
      Program crash
      PID:1892
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 488
      4⤵
      Program crash
      PID:2288
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2540 -ip 2540
1⤵
PID:2528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2540 -ip 2540
1⤵
PID:4520

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2540-7-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/2540-9-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4272-2-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4272-4-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4272-5-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4272-6-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4272-8-0x0000000010000000-0x000000001004D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads