xtremerat | c82c3c1eca55f52edcef93c04f7de7727249aadb5bf82f187f0a9ec8b47fab16

General

Target
5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe
Size 300KB
Sample240719-e2t6zswckc
SHA256 c82c3c1eca55f52edcef93c04f7de7727249aadb5bf82f187f0a9ec8b47fab16
MD5 5a75205baa54d6d6b818cd32f5ab2c07
SHA1 bdfac8475ce9444d5d3c952eb587e43d0e13d40c
SHA512 d3c1922ad561467b50348ccd46fe0efff6b922c540095b587117faddde8590fbc6b47a2e7184ef5118fb2aa9fd6226544b1a78c25c97994667687c4b9c235804
SSDEEP 3072:AIZn0wUdozejHWt+VrqRHgG5FOEYYKvYut1xGIu2gR3NJWVrqRHgG5FOEYYKvYu2:eZrqRHuxYK91xGIu2gRvKrqRHuxYK9Y
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/632-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4820-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/632-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4820-9-0x0000000010000000-0x0000000010048000-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 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/632-2-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/632-4-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/632-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/632-5-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4820-7-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/632-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4820-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3588 set thread context of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83

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
3752	4820	WerFault.exe	84
1536	4820	WerFault.exe	84

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83
PID 3588 wrote to memory of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83
PID 3588 wrote to memory of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83
PID 3588 wrote to memory of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83
PID 3588 wrote to memory of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83
PID 3588 wrote to memory of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83
PID 3588 wrote to memory of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83
PID 3588 wrote to memory of 632	3588	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	83
PID 632 wrote to memory of 4820	632	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	84
PID 632 wrote to memory of 4820	632	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	84
PID 632 wrote to memory of 4820	632	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	84
PID 632 wrote to memory of 4820	632	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	84
PID 632 wrote to memory of 572	632	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	85
PID 632 wrote to memory of 572	632	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	85
PID 632 wrote to memory of 572	632	5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\Temp\5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5a75205baa54d6d6b818cd32f5ab2c07_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:632
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4820
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 480
      4⤵
      Program crash
      PID:3752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 488
      4⤵
      Program crash
      PID:1536
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4820 -ip 4820
1⤵
PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4820 -ip 4820
1⤵
PID:3572

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/632-2-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/632-4-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/632-6-0x0000000010000000-0x0000000010048000-memory.dmp

Download

memory/632-5-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/632-8-0x0000000010000000-0x0000000010048000-memory.dmp

Download

memory/4820-7-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/4820-9-0x0000000010000000-0x0000000010048000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads