xtremerat | a1c0709d2ba24a3a4a664cfccdf33428b7dd6d26feb7f7098e67f0d6bdf40306

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2024, 17:41

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General

Target
9299b156bfce991d2a144cab3b72d597.exe
Size 65KB
Sample240205-v9n8psfbdr
SHA256 a1c0709d2ba24a3a4a664cfccdf33428b7dd6d26feb7f7098e67f0d6bdf40306
MD5 9299b156bfce991d2a144cab3b72d597
SHA1 0fd74b1df2c0c9e01587fb7dd278fd8c73828f64
SHA512 7da49514ff797b28a8eacee486e90b6dff073f02732c738c07a410492fde75d19cf6f11bf3ae7ddafb20f47ce3c3b0ebe1aa8dac6b482a1f20ae60ba3184b389
SSDEEP 768:88m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiXsbs8Hozr:esq+QV4rObAdXWpf/y+YaAoF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4896-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/216-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4896-2-0x0000000010000000-0x000000001004A000-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).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1336	4896	WerFault.exe	85
1040	4896	WerFault.exe	85

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 4896	216	9299b156bfce991d2a144cab3b72d597.exe	85
PID 216 wrote to memory of 4896	216	9299b156bfce991d2a144cab3b72d597.exe	85
PID 216 wrote to memory of 4896	216	9299b156bfce991d2a144cab3b72d597.exe	85
PID 216 wrote to memory of 4896	216	9299b156bfce991d2a144cab3b72d597.exe	85
PID 216 wrote to memory of 1300	216	9299b156bfce991d2a144cab3b72d597.exe	86
PID 216 wrote to memory of 1300	216	9299b156bfce991d2a144cab3b72d597.exe	86
PID 216 wrote to memory of 1300	216	9299b156bfce991d2a144cab3b72d597.exe	86

C:\Users\Admin\AppData\Local\Temp\9299b156bfce991d2a144cab3b72d597.exe
"C:\Users\Admin\AppData\Local\Temp\9299b156bfce991d2a144cab3b72d597.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:216
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 488
    3⤵
    - Program crash
    PID:1336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 496
    3⤵
    - Program crash
    PID:1040
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4896 -ip 4896
1⤵
PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4896 -ip 4896
1⤵
PID:1980

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/216-1-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4896-0-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4896-2-0x0000000010000000-0x000000001004A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads