xtremerat | 33093d2d855d53948c6626d0496dccd0a707679a8d5a803ddff7c6433711792f

Analysis

max time kernel
92s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
17/07/2024, 11:15

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General

Target
52befaaee1ab0236392c06e318249396_JaffaCakes118.exe
Size 43KB
Sample240717-nc13ns1ekf
SHA256 33093d2d855d53948c6626d0496dccd0a707679a8d5a803ddff7c6433711792f
MD5 52befaaee1ab0236392c06e318249396
SHA1 f04d3c724006b73ac6b8d893cc933b20a922025d
SHA512 9e888f0474886487d8a8de0e4fb5bcb16b0ee4cd995c67b19ed10c34ce42f5ba2e9bfdb2f2078619afee64dec2f68abf9f852f760f5a0ecd2ba75aea17c29625
SSDEEP 768:YMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66legLSqTi8BH1b5vwdej:xNW71rcYDAWeotvXlegm38JV5vwdej
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

gaetano1997.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1796-1-0x0000000010000000-0x000000001004F000-memory.dmp	family_xtremerat
behavioral2/memory/4540-5-0x0000000010000000-0x000000001004F000-memory.dmp	family_xtremerat
behavioral2/memory/1796-6-0x0000000010000000-0x000000001004F000-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 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4540-0-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/1796-1-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/4540-5-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/1796-6-0x0000000010000000-0x000000001004F000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\59335694_131542260199597_100000314718632_254991_5667378_a.jpg	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\59335694_131542260199597_100000314718632_254991_5667378_a.jpg.exe	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe

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
1580	1796	WerFault.exe	84
4280	1796	WerFault.exe	84

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 1796	4540	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe	84
PID 4540 wrote to memory of 1796	4540	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe	84
PID 4540 wrote to memory of 1796	4540	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe	84
PID 4540 wrote to memory of 1796	4540	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe	84
PID 4540 wrote to memory of 1224	4540	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe	85
PID 4540 wrote to memory of 1224	4540	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe	85
PID 4540 wrote to memory of 1224	4540	52befaaee1ab0236392c06e318249396_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:1796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 480
    3⤵
    - Program crash
    PID:1580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 488
    3⤵
    - Program crash
    PID:4280
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1796 -ip 1796
1⤵
PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1796 -ip 1796
1⤵
PID:244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1796-1-0x0000000010000000-0x000000001004F000-memory.dmp

Download

memory/1796-6-0x0000000010000000-0x000000001004F000-memory.dmp

Download

memory/4540-0-0x0000000010000000-0x000000001004F000-memory.dmp

Download

memory/4540-5-0x0000000010000000-0x000000001004F000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads