xtremerat | a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5

General

Target

a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
Size

898KB
MD5

c6063f1ebf76cb261d34cc179842a3d1
SHA1

0cd817f26d148deb12148254b7814e83ba90cd56
SHA256

a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5
SHA512

ca13fb6dc08d94cc8a7be2a0b88a449495447eb3fdf2efd0b26811304effeae876df8481aa653e4f8a9addf8afc6748ead50d596d23d6bfebfb10957624175e3
SSDEEP

12288:Itb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaBTYWex6A:Itb20pkaCqT5TBWgNQ7aVSx6A

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ellol.publicvm.com

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/60-136-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/60-137-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4512-138-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/4512-139-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/60-140-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4512-141-0x0000000010000000-0x000000001004D000-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/60-133-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/60-135-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/60-136-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/60-137-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4512-139-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/60-140-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4512-141-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3112 set thread context of 60	3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	85

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
4556	4512	WerFault.exe	86
4596	4512	WerFault.exe	86

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe

Suspicious use of SendNotifyMessage 10 IoCs

pid	Process
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 60	3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	85
PID 3112 wrote to memory of 60	3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	85
PID 3112 wrote to memory of 60	3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	85
PID 3112 wrote to memory of 60	3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	85
PID 3112 wrote to memory of 60	3112	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	85
PID 60 wrote to memory of 4512	60	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	86
PID 60 wrote to memory of 4512	60	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	86
PID 60 wrote to memory of 4512	60	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	86
PID 60 wrote to memory of 4512	60	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	86
PID 60 wrote to memory of 3460	60	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	87
PID 60 wrote to memory of 3460	60	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	87
PID 60 wrote to memory of 3460	60	a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe	87

C:\Users\Admin\AppData\Local\Temp\a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
"C:\Users\Admin\AppData\Local\Temp\a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Users\Admin\AppData\Local\Temp\a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
  "C:\Users\Admin\AppData\Local\Temp\a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:60
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4512
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 488
      4⤵
      Program crash
      PID:4556
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 496
      4⤵
      Program crash
      PID:4596
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4512 -ip 4512
1⤵
PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4512 -ip 4512
1⤵
PID:4328

Network

MITRE ATT&CK Enterprise v6

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/60-133-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/60-135-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/60-136-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/60-137-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/60-140-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4512-139-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4512-141-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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