xtremerat | 5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d

Resubmissions

11/08/2022, 15:41

220811-s48ztahaem 10

01/08/2022, 04:16

220801-ev5n5sadfn 10

Analysis

max time kernel
152s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
submitted
01/08/2022, 04:16

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General

Target

5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe
Size

65KB
MD5

204b6bf2f9dcabca806c10728b45e701
SHA1

148fee75363c0a37912ac4d223087a66dd6fcda1
SHA256

5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d
SHA512

049db1a2ce2d47a8ca64cd3d644b0ae11cd51566db6fe928acc360e618fc91d537de408584a9eddb41a467a28f2c9cdde9c64071b0b5b75379e4669329631388

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

darkcommet.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4084-132-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/4084-133-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4084-134-0x0000000010000000-0x000000001004A000-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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1164	4084	WerFault.exe	81
4768	4084	WerFault.exe	81

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 4084	1900	5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe	81
PID 1900 wrote to memory of 4084	1900	5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe	81
PID 1900 wrote to memory of 4084	1900	5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe	81
PID 1900 wrote to memory of 4084	1900	5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe	81
PID 1900 wrote to memory of 5056	1900	5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe	82
PID 1900 wrote to memory of 5056	1900	5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe	82
PID 1900 wrote to memory of 5056	1900	5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe	82

C:\Users\Admin\AppData\Local\Temp\5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe
"C:\Users\Admin\AppData\Local\Temp\5d1e4488ddc323c81d72cb6e4211fb70fcba5e4f5c28a9cbc7b6ca8e0dc3a63d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 480
    3⤵
    - Program crash
    PID:1164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 504
    3⤵
    - Program crash
    PID:4768
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:5056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4084 -ip 4084
1⤵
PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4084 -ip 4084
1⤵
PID:2196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4084-133-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4084-134-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download