xtremerat | d068be1187fc4878df616e0446fa701eae26b438bc64f35e8b5b4733c66a868c

Analysis

max time kernel
42s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 16:03

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General

Target
f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe
Size 71KB
Sample240417-thb9dseg99
SHA256 d068be1187fc4878df616e0446fa701eae26b438bc64f35e8b5b4733c66a868c
MD5 f626f42aa6c36cd2cb2af0ce15476e93
SHA1 9f596a28f166475c0220e86c1ae37be7312e01b2
SHA512 fbe0aeaddd5cf19f8562cf803e705c6c0639d1a54920c4b207b1327945310ee51f8bdaa548faf3a67ffce5ee8d319f40da526d9b4e234138a2d71632eb5926a7
SSDEEP 1536:fNW71rcYDAWeotvXlk6IasJW7/Hf3LltRX5Tf9uzQ:fNW7dEvotvXlIaIW75XZfY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3436-1-0x0000000010000000-0x000000001005F000-memory.dmp	family_xtremerat
behavioral2/memory/4976-2-0x0000000010000000-0x000000001005F000-memory.dmp	family_xtremerat
behavioral2/memory/3436-3-0x0000000010000000-0x000000001005F000-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/4976-0-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/3436-1-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/4976-2-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/3436-3-0x0000000010000000-0x000000001005F000-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
4420	3436	WerFault.exe	83
5000	3436	WerFault.exe	83

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 3436	4976	f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe	83
PID 4976 wrote to memory of 3436	4976	f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe	83
PID 4976 wrote to memory of 3436	4976	f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe	83
PID 4976 wrote to memory of 3436	4976	f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe	83
PID 4976 wrote to memory of 2148	4976	f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe	84
PID 4976 wrote to memory of 2148	4976	f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe	84
PID 4976 wrote to memory of 2148	4976	f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f626f42aa6c36cd2cb2af0ce15476e93_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:3436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 476
    3⤵
    - Program crash
    PID:4420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 488
    3⤵
    - Program crash
    PID:5000
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3436 -ip 3436
1⤵
PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3436 -ip 3436
1⤵
PID:2212

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/3436-1-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/3436-3-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/4976-0-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/4976-2-0x0000000010000000-0x000000001005F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads