xtremerat | 55c43326f1cd6e7234dee063f049f260b8e0359b935fb0e0be5d64d05dcf63a6

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2024, 04:15

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General

Target
4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe
Size 187KB
Sample240716-evcncsxdkd
SHA256 55c43326f1cd6e7234dee063f049f260b8e0359b935fb0e0be5d64d05dcf63a6
MD5 4cc385e8c2b763a1430f891373e0c693
SHA1 46b3a51aacd2a242d653ce9faf509187d6249bd6
SHA512 f53ce752ed781e55e1bbe64153435afed9fa0ce665af276ea1a0220bf7d48833beb11c96b2f16a323098a262e8c977de3fd21944bb55493f1147d3aa20f66247
SSDEEP 3072:+NW7dEvotvX0vueOdjZt/IRlz6VlfOkCUklC7oZ/tD6z+Dd5VxlXpmupiwkiX6mE:+NW7mvIOueOdtt/IRclmHCotD6z+DJpm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

Skivsud.sytes.net

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1612-1-0x0000000010000000-0x000000001008A000-memory.dmp	family_xtremerat
behavioral2/memory/3724-2-0x0000000010000000-0x000000001008A000-memory.dmp	family_xtremerat
behavioral2/memory/1612-3-0x0000000010000000-0x000000001008A000-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/3724-0-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/1612-1-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/3724-2-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/1612-3-0x0000000010000000-0x000000001008A000-memory.dmp	upx

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
1536	1612	WerFault.exe	83
3320	1612	WerFault.exe	83

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 1612	3724	4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe	83
PID 3724 wrote to memory of 1612	3724	4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe	83
PID 3724 wrote to memory of 1612	3724	4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe	83
PID 3724 wrote to memory of 1612	3724	4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe	83
PID 3724 wrote to memory of 3776	3724	4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe	85
PID 3724 wrote to memory of 3776	3724	4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe	85
PID 3724 wrote to memory of 3776	3724	4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:1612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 472
    3⤵
    - Program crash
    PID:1536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 488
    3⤵
    - Program crash
    PID:3320
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1612 -ip 1612
1⤵
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1612 -ip 1612
1⤵
PID:4468

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/1612-1-0x0000000010000000-0x000000001008A000-memory.dmp

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memory/1612-3-0x0000000010000000-0x000000001008A000-memory.dmp

Download

memory/3724-0-0x0000000010000000-0x000000001008A000-memory.dmp

Download

memory/3724-2-0x0000000010000000-0x000000001008A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads