xtremerat | b0045ea20acb65e758d1b076296a6f88a507085f4c3e868a71e0b841dc9c7fd9

General

Target

d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe
Size

456KB
MD5

d1aaf9fd2e4767dfe82eb888c4205b1e
SHA1

e010adfd5ffd743314e80189a345dcba195ca486
SHA256

b0045ea20acb65e758d1b076296a6f88a507085f4c3e868a71e0b841dc9c7fd9
SHA512

b057aa0b027956599ae0d9513590f4680b5cff4ad447463f944ec6d4bb141b528b3d318cdf78b49db8f25fddd914af2d8fe4948fdf06e706919a6581eedc017e
SSDEEP

3072:Thx1WtfihHHF9ruyAWrmkJIC8xVL9ejFif5dJElWwnt/FlMTpTC1w+5SB7YhIYCI:n8fmw+7hG6w1F

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

crazyguyz.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2248-12-0x0000000010000000-0x0000000010068000-memory.dmp	family_xtremerat
behavioral2/memory/2248-13-0x0000000010000000-0x0000000010068000-memory.dmp	family_xtremerat
behavioral2/memory/4064-14-0x0000000010000000-0x0000000010068000-memory.dmp	family_xtremerat
behavioral2/memory/2248-15-0x0000000010000000-0x0000000010068000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2344 set thread context of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82

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
3216	4064	WerFault.exe	83
3460	4064	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2344 wrote to memory of 2248	2344	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	82
PID 2248 wrote to memory of 4064	2248	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	83
PID 2248 wrote to memory of 4064	2248	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	83
PID 2248 wrote to memory of 4064	2248	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	83
PID 2248 wrote to memory of 4064	2248	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	83
PID 2248 wrote to memory of 2928	2248	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	85
PID 2248 wrote to memory of 2928	2248	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	85
PID 2248 wrote to memory of 2928	2248	d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Users\Admin\AppData\Local\Temp\d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d1aaf9fd2e4767dfe82eb888c4205b1e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4064
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 200
      4⤵
      Program crash
      PID:3216
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 208
      4⤵
      Program crash
      PID:3460
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4064 -ip 4064
1⤵
PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4064 -ip 4064
1⤵
PID:4336

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2248-7-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-11-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-8-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-10-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-9-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-5-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-2-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-6-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-4-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-12-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-13-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/2248-15-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/4064-14-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download

Analysis

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