xtremerat | 6fbc881e531869268636e066de0cda514b2e5e0052b841ac5543f89f3c4616cc

General

Target

0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe
Size

462KB
MD5

0ec2807c005fdce9c0baa6942433b5c7
SHA1

cd219241ae9d1f095193573f32243ddafc8574f2
SHA256

6fbc881e531869268636e066de0cda514b2e5e0052b841ac5543f89f3c4616cc
SHA512

04e339a2caa3d27ba140746cfb35fe547c5071b43f4f8d8260db4b952408527259e08adedb0caaa6d790c9b91178cd2c3cedaee37efb8d61773a8035acd86249
SSDEEP

12288:3eDjSp7U52X6elDA8W8vPlu+VbxQlBz8JyrmUUQZpT5m:OE7UAq4A8WOPw+VbSvpr8QZa

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

cacon.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3080-11-0x0000000010000000-0x00000000100AE000-memory.dmp	family_xtremerat
behavioral2/memory/2616-13-0x0000000010000000-0x00000000100AE000-memory.dmp	family_xtremerat
behavioral2/memory/3080-16-0x0000000010000000-0x00000000100AE000-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 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3080-11-0x0000000010000000-0x00000000100AE000-memory.dmp	upx
behavioral2/memory/2616-13-0x0000000010000000-0x00000000100AE000-memory.dmp	upx
behavioral2/memory/3080-16-0x0000000010000000-0x00000000100AE000-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
1436	3080	WerFault.exe	90
3032	3080	WerFault.exe	90

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 3080	2616	0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe	90
PID 2616 wrote to memory of 3080	2616	0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe	90
PID 2616 wrote to memory of 3080	2616	0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe	90
PID 2616 wrote to memory of 3080	2616	0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe	90
PID 2616 wrote to memory of 1668	2616	0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe	91
PID 2616 wrote to memory of 1668	2616	0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe	91
PID 2616 wrote to memory of 1668	2616	0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0ec2807c005fdce9c0baa6942433b5c7_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:3080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 480
    3⤵
    - Program crash
    PID:1436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 488
    3⤵
    - Program crash
    PID:3032
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3080 -ip 3080
1⤵
PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3080 -ip 3080
1⤵
PID:2512

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 --field-trial-handle=4036,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=1960 /prefetch:8
1⤵
PID:3008

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

Replay Monitor

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Downloads

memory/2616-5-0x0000000077522000-0x0000000077523000-memory.dmp

Filesize
4KB

Download
memory/2616-3-0x0000000002160000-0x0000000002170000-memory.dmp

Filesize
64KB

Download
memory/2616-2-0x0000000010000000-0x00000000100AE000-memory.dmp

Filesize
696KB

Download
memory/2616-6-0x00000000769F0000-0x00000000769F1000-memory.dmp

Filesize
4KB

Download
memory/2616-10-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/2616-9-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/2616-8-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/2616-7-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/2616-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2616-1-0x0000000002070000-0x00000000020BE000-memory.dmp

Filesize
312KB

Download
memory/2616-4-0x00000000021E0000-0x00000000021F0000-memory.dmp

Filesize
64KB

Download
memory/2616-15-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/2616-14-0x0000000002070000-0x00000000020BE000-memory.dmp

Filesize
312KB

Download
memory/2616-13-0x0000000010000000-0x00000000100AE000-memory.dmp

Filesize
696KB

Download
memory/3080-12-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/3080-11-0x0000000010000000-0x00000000100AE000-memory.dmp

Filesize
696KB

Download
memory/3080-16-0x0000000010000000-0x00000000100AE000-memory.dmp

Filesize
696KB

Download
memory/3080-17-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download

Analysis

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