xtremerat | 4e1aecb981aff7290be96615cbde8107ef8a1fcfa11e40537b408958104c0bff

General

Target
594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe
Size 173KB
Sample240718-16dwfsscpa
SHA256 4e1aecb981aff7290be96615cbde8107ef8a1fcfa11e40537b408958104c0bff
MD5 594aceb1003d4688c9daf9f0d5d76525
SHA1 c76f76779127cb42cc7efbf74fbee5bd95111b66
SHA512 2bf9134837ddef682fe478bd68fac5db15c0215b083db9714584e01bf81cf038548044efa958a4b4c1b7d11fd1130a85134de33820c28c94df7ea2aa540acc3d
SSDEEP 1536:Cu/eok4zFfmAs4HsNKuUXUtHd0XmyPE04b1sKiLRFbxSCu/DKOZtY4DU9bZRju0Z:Leok4RfTq8OKbvLx7CK0YUU9VzZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

freshness.dyndns-ip.com

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1860-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1860-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1860-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1860-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3900-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1860-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3900-10-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85

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
1260	3900	WerFault.exe	86
2136	3900	WerFault.exe	86

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 2300 wrote to memory of 1860	2300	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	85
PID 1860 wrote to memory of 3900	1860	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	86
PID 1860 wrote to memory of 3900	1860	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	86
PID 1860 wrote to memory of 3900	1860	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	86
PID 1860 wrote to memory of 3900	1860	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	86
PID 1860 wrote to memory of 4104	1860	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	87
PID 1860 wrote to memory of 4104	1860	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	87
PID 1860 wrote to memory of 4104	1860	594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Local\Temp\594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\594aceb1003d4688c9daf9f0d5d76525_JaffaCakes118.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:3900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 480
      4⤵
      Program crash
      PID:1260
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 488
      4⤵
      Program crash
      PID:2136
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3900 -ip 3900
1⤵
PID:1384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3900 -ip 3900
1⤵
PID:4488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1860-4-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1860-3-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1860-5-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1860-7-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1860-9-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/2300-0-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/2300-6-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/3900-8-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/3900-10-0x0000000010000000-0x000000001004A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads