xtremerat | 051dab236dc75440bf1a6353cf419ce096ccadd3bee775d9e6c37e7b7697ff0b

General

Target

02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe
Size

44KB
MD5

02a438443a38ef7688f6ae3a5b290f3a
SHA1

938b52906b985ff835f5f9617aa036cf5c04effd
SHA256

051dab236dc75440bf1a6353cf419ce096ccadd3bee775d9e6c37e7b7697ff0b
SHA512

f6d6aa70377c615fef57eb4b3375eab4abcdfb767ec0da84532b7cfec5f4c6729955669f45ae16a564c3a4cf1f83b07fb6fe1792bc12f6e26de42014f5af169f
SSDEEP

768:7Br+4jFqTPEAlfztB1lr6anosmTA/uvm2DfuTwYPIGzoiQ:VyeUnlrL1lr6an0TYuvm2bOQaoiQ

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

namehost.dyndns.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/5112-0-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/4320-7-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2628-8-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/5112-9-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/2628-12-0x0000000000C80000-0x0000000000C93000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart"	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4320	explorer.exe

Adds Run key to start application 2 TTPs 2 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\\system32\\wbem\\xml.exe"	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe"	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wbem\	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wbem\xml.exe	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wbem\xml.exe	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2628	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 2628	5112	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe	91
PID 5112 wrote to memory of 2628	5112	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe	91
PID 5112 wrote to memory of 2628	5112	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe	91
PID 5112 wrote to memory of 4320	5112	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe	92
PID 5112 wrote to memory of 4320	5112	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe	92
PID 5112 wrote to memory of 4320	5112	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe	92
PID 5112 wrote to memory of 4320	5112	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe	92
PID 5112 wrote to memory of 2628	5112	02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\02a438443a38ef7688f6ae3a5b290f3a_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2628
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Deletes itself
  PID:4320

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4000 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:4692

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2628-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2628-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4320-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/5112-0-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/5112-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads