xtremerat | 924095fed29c5bd58d6ff65e669b27a1ffd0910641e5011b54cae76e697367c9

General

Target
47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe
Size 373KB
Sample240715-dlsgsavfmm
SHA256 924095fed29c5bd58d6ff65e669b27a1ffd0910641e5011b54cae76e697367c9
MD5 47f2889ae88046c66f71993f8e6bfacb
SHA1 d389b6a62a4090e4b789e1b5de8636ed62abe8c6
SHA512 60146e61e1be08caadd2bb4128eda381443a69a57f059dec0270073566f1f45b887041e3512ba5fb86195abf80beccc6ba7e2720eef7f29a1ff2389f83de0c02
SSDEEP 6144:uaibqJaEGSC6buYKIRGqKmw/1q2iJo7T5HjfbTG+x6bW:1PIqpo7hzwy
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

francesco1.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/1016-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1016-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2476-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1016-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2476-9-0x0000000010000000-0x000000001004D000-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/1016-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1016-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1016-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1016-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2476-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1016-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2476-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84

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
2796	2476	WerFault.exe	86
228	2476	WerFault.exe	86

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84
PID 1492 wrote to memory of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84
PID 1492 wrote to memory of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84
PID 1492 wrote to memory of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84
PID 1492 wrote to memory of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84
PID 1492 wrote to memory of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84
PID 1492 wrote to memory of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84
PID 1492 wrote to memory of 1016	1492	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	84
PID 1016 wrote to memory of 2476	1016	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	86
PID 1016 wrote to memory of 2476	1016	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	86
PID 1016 wrote to memory of 2476	1016	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	86
PID 1016 wrote to memory of 2476	1016	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	86
PID 1016 wrote to memory of 4396	1016	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	88
PID 1016 wrote to memory of 4396	1016	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	88
PID 1016 wrote to memory of 4396	1016	47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Users\Admin\AppData\Local\Temp\47f2889ae88046c66f71993f8e6bfacb_JaffaCakes118.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1016
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:2476
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 488
      4⤵
      Program crash
      PID:2796
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 508
      4⤵
      Program crash
      PID:228
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2476 -ip 2476
1⤵
PID:3404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2476 -ip 2476
1⤵
PID:1788

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/1016-2-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/1016-4-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/1016-5-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/1016-6-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/1016-8-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/2476-7-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/2476-9-0x0000000010000000-0x000000001004D000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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