xtremerat | 791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de

Analysis

max time kernel
150s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 13:25

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General

Target

791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe
Size

33KB
MD5

b35a7b5102edcd116891ae799977341b
SHA1

70ac14fee238bef3894c6977be93271fee8bd21f
SHA256

791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de
SHA512

4e1b4b2a2878c3a91b178ab6e78c5b844c32d91a0cd9e45386dcfb8b7ff3df07da88869570a04d37350758d883d3f6bf111a319fa8deba330a30441c3b2e7cad
SSDEEP

768:zMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lcG2Acd0tz:INW71rcYDAWeotvXlcJRS

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

rasrot.zapto.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/1080-57-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral1/memory/1292-58-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1292-60-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1080-61-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1080-62-0x0000000010000000-0x000000001004D000-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
behavioral1/memory/1292-58-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1292-60-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1080-61-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1080-62-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1080	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	27
PID 1292 wrote to memory of 1080	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	27
PID 1292 wrote to memory of 1080	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	27
PID 1292 wrote to memory of 1080	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	27
PID 1292 wrote to memory of 1080	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	27
PID 1292 wrote to memory of 940	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	28
PID 1292 wrote to memory of 940	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	28
PID 1292 wrote to memory of 940	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	28
PID 1292 wrote to memory of 940	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	28
PID 1292 wrote to memory of 940	1292	791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe	28

C:\Users\Admin\AppData\Local\Temp\791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe
"C:\Users\Admin\AppData\Local\Temp\791facff7161337801239ffbce9b72bf3c2048a09b00205e43dbf7efb29bb9de.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:1080
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:940

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

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Downloads

memory/1080-55-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1080-61-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1080-62-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1292-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1292-58-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1292-60-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download