xtremerat | 88fed437e6cb1129f855abc569bfd1742ec750aadef824f2fb607932ec9d8549

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 00:14

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General

Target

2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe
Size

33KB
MD5

2a4d8a0a52333a3b04d197522f1fcc9a
SHA1

b2b2c0dddfd9eef9ea056604a9fbe99454911b4a
SHA256

88fed437e6cb1129f855abc569bfd1742ec750aadef824f2fb607932ec9d8549
SHA512

a3cf8292df34d3c0c6571d2f53283e1f4f4c41b746d2a2861ee7e8708eeaa6fa931166a65c546ef1730aae0247e46f7a4aae82dadf6a26359876c6424fc32918
SSDEEP

768:0MuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgCBFzAnQGe2EV:dNW71rcYDAWeoDrsD3AQW

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

youcefbel.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2484-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1356-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2484-4-0x0000000010000000-0x000000001004D000-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/1356-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2484-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1356-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2484-4-0x0000000010000000-0x000000001004D000-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
2524	2484	WerFault.exe	84
3460	2484	WerFault.exe	84

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 2484	1356	2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe	84
PID 1356 wrote to memory of 2484	1356	2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe	84
PID 1356 wrote to memory of 2484	1356	2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe	84
PID 1356 wrote to memory of 2484	1356	2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe	84
PID 1356 wrote to memory of 2252	1356	2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe	85
PID 1356 wrote to memory of 2252	1356	2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe	85
PID 1356 wrote to memory of 2252	1356	2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a4d8a0a52333a3b04d197522f1fcc9a_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 476
    3⤵
    - Program crash
    PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 500
    3⤵
    - Program crash
    PID:3460
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2484 -ip 2484
1⤵
PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2484 -ip 2484
1⤵
PID:2904

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/1356-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1356-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2484-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2484-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download