xtremerat | ea0482f3a349970b30e289698b063dcbc120c739b29d17425c4a6ebb6df924c8

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 19:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
a4cb37757bffbf147b14c17f8939bc2c.exe
Size 33KB
Sample240107-x871jacfbj
SHA256 ea0482f3a349970b30e289698b063dcbc120c739b29d17425c4a6ebb6df924c8
MD5 a4cb37757bffbf147b14c17f8939bc2c
SHA1 6507f64428f1f3c1477c9abaed3570536da034c9
SHA512 8f321388d916b6a8ce746f3cb132fc0443d4b85395bfb43afbbcd82fd4a833d57a6b6a422c4907451ab47d21ed82079e7c2ca6aeb2d051b20f0817d8a8535a91
SSDEEP 768:zMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgRMdd5ri4ZaispD:INW71rcYDAWeoDrsEud5rz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

z2a.no-ip.info

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4580-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/512-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/512-1-0x0000000010000000-0x000000001004D000-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 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4580-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4580-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/512-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/512-1-0x0000000010000000-0x000000001004D000-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
2952	512	WerFault.exe	19
1984	512	WerFault.exe	19

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 512	4580	a4cb37757bffbf147b14c17f8939bc2c.exe	19
PID 4580 wrote to memory of 512	4580	a4cb37757bffbf147b14c17f8939bc2c.exe	19
PID 4580 wrote to memory of 512	4580	a4cb37757bffbf147b14c17f8939bc2c.exe	19
PID 4580 wrote to memory of 512	4580	a4cb37757bffbf147b14c17f8939bc2c.exe	19
PID 4580 wrote to memory of 3184	4580	a4cb37757bffbf147b14c17f8939bc2c.exe	30
PID 4580 wrote to memory of 3184	4580	a4cb37757bffbf147b14c17f8939bc2c.exe	30
PID 4580 wrote to memory of 3184	4580	a4cb37757bffbf147b14c17f8939bc2c.exe	30

C:\Users\Admin\AppData\Local\Temp\a4cb37757bffbf147b14c17f8939bc2c.exe
"C:\Users\Admin\AppData\Local\Temp\a4cb37757bffbf147b14c17f8939bc2c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 500
    3⤵
    - Program crash
    PID:2952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 480
    3⤵
    - Program crash
    PID:1984
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 512 -ip 512
1⤵
PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 512 -ip 512
1⤵
PID:4668

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/512-3-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/512-1-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4580-0-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4580-2-0x0000000010000000-0x000000001004D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads