xtremerat | 8c71b814d2cfcab50d1f146ca16c528226f061e6b963df8bbb99780baefea69b

General

Target
e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe
Size 193KB
Sample240407-m8d3cabg23
SHA256 8c71b814d2cfcab50d1f146ca16c528226f061e6b963df8bbb99780baefea69b
MD5 e4c75e11af821307e6f982c69945c4b4
SHA1 6b1ad9964d0486fa49d0cafcae7263d0ad412f92
SHA512 034796a773d4d48027b9f4aa21c89db6abe73fab321b3d49ddf05f43d8eaf5ec2738429023264d97e3950c6e2895f5d257ba851e866e1000b4f0406ef23e9a9a
SSDEEP 6144:ft/vITaf7oMl1FVDKVDvVFTcVZV4VYVNVRVLVQC5iFQHEH:fGCIyG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/4412-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4412-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4412-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4412-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3996-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4412-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3996-8-0x0000000010000000-0x000000001004A000-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 4648 set thread context of 4412	4648	e4c75e11af821307e6f982c69945c4b4_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
4100	3996	WerFault.exe	88
3300	3996	WerFault.exe	88

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4648 wrote to memory of 4412	4648	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	85
PID 4412 wrote to memory of 3996	4412	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	88
PID 4412 wrote to memory of 3996	4412	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	88
PID 4412 wrote to memory of 3996	4412	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	88
PID 4412 wrote to memory of 3996	4412	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	88
PID 4412 wrote to memory of 436	4412	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	90
PID 4412 wrote to memory of 436	4412	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	90
PID 4412 wrote to memory of 436	4412	e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Users\Admin\AppData\Local\Temp\e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e4c75e11af821307e6f982c69945c4b4_JaffaCakes118.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4412
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:3996
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 492
      4⤵
      Program crash
      PID:4100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 500
      4⤵
      Program crash
      PID:3300
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3996 -ip 3996
1⤵
PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3996 -ip 3996
1⤵
PID:740

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

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Downloads

memory/3996-6-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/3996-8-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4412-2-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4412-3-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4412-4-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4412-5-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/4412-7-0x0000000010000000-0x000000001004A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads