xtremerat | 59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 20:12

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General

Target
59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe
Size 301KB
Sample240306-yy7gpagd96
SHA256 59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54
MD5 6528e3c44027d013e9b7d68d36120aa9
SHA1 2f7b08ac26a38de24c288ae9594e2847f3e0f518
SHA512 71103b6333802ded57993e969c002f8f507b17e35449e0a2501f1920cb4f8761c1220247876a11c752c0dae07e9102780edf95ab5517390ac99e1295803fa5ac
SSDEEP 768:k8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiiw8YqagXx:msq+QV4rObAdXWpf/y+Ub9giox
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

hackerdecontas.no-ip.org
翿hackerdecontas.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/748-0-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1544-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/748-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1544-3-0x0000000010000000-0x000000001004D000-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 dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/748-0-0x0000000010000000-0x000000001004D000-memory.dmp	UPX
behavioral2/memory/1544-1-0x0000000010000000-0x000000001004D000-memory.dmp	UPX
behavioral2/memory/748-2-0x0000000010000000-0x000000001004D000-memory.dmp	UPX
behavioral2/memory/1544-3-0x0000000010000000-0x000000001004D000-memory.dmp	UPX

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/748-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1544-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/748-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1544-3-0x0000000010000000-0x000000001004D000-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
4912	1544	WerFault.exe	96
3228	1544	WerFault.exe	96

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 1544	748	59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe	96
PID 748 wrote to memory of 1544	748	59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe	96
PID 748 wrote to memory of 1544	748	59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe	96
PID 748 wrote to memory of 1544	748	59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe	96
PID 748 wrote to memory of 5076	748	59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe	97
PID 748 wrote to memory of 5076	748	59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe	97
PID 748 wrote to memory of 5076	748	59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe	97

C:\Users\Admin\AppData\Local\Temp\59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe
"C:\Users\Admin\AppData\Local\Temp\59bf58575e5cb95edd0cba98c8cc536ca096615260c43273dad177c353609f54.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:748
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:1544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 480
    3⤵
    - Program crash
    PID:4912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 504
    3⤵
    - Program crash
    PID:3228
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1544 -ip 1544
1⤵
PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1544 -ip 1544
1⤵
PID:4556

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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:3160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/748-0-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/748-2-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1544-1-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1544-3-0x0000000010000000-0x000000001004D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads