xtremerat | a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 15:33

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General

Target

a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe
Size

65KB
MD5

0dd995072c17a167106b28f84f09425d
SHA1

d0e2542179f607cb2294998cfdb521dc219c47b5
SHA256

a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab
SHA512

2d105dba7c80a5f463fb7b212b4a44c59d4e2a61b55fb3c79abbe93e1ce8f94ff3f658d48b89c43b492714eb26a1e5da00b6040d13183c0905258562bca6b6ff
SSDEEP

768:i8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiZKPA+7XoP:Qsq+QV4rObAdXWpf/y+7ozNwi7o3u

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3928-132-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/3928-133-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3928-134-0x0000000010000000-0x000000001004A000-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
1176	3928	WerFault.exe	81
4240	3928	WerFault.exe	81

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 3928	4824	a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe	81
PID 4824 wrote to memory of 3928	4824	a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe	81
PID 4824 wrote to memory of 3928	4824	a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe	81
PID 4824 wrote to memory of 3928	4824	a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe	81
PID 4824 wrote to memory of 2296	4824	a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe	82
PID 4824 wrote to memory of 2296	4824	a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe	82
PID 4824 wrote to memory of 2296	4824	a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe	82

C:\Users\Admin\AppData\Local\Temp\a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe
"C:\Users\Admin\AppData\Local\Temp\a73a3e1917b6a6c8dda69046492826977975ea66df5b55db93a52376c946a1ab.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:3928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 484
    3⤵
    - Program crash
    PID:1176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 504
    3⤵
    - Program crash
    PID:4240
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3928 -ip 3928
1⤵
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3928 -ip 3928
1⤵
PID:1732

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/3928-133-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

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memory/3928-134-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download