xtremerat | bf71f3e18a32227f3b7253b4c6ebb8c6a981016989d2fd2d7d8c63f686d2e6a7

Analysis

max time kernel
94s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 05:09

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General

Target

dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe
Size

31KB
MD5

dd269ba6e519d74ec7104431a0089e2b
SHA1

6ec3f2fe99b02220101fdb98136d0018387ef676
SHA256

bf71f3e18a32227f3b7253b4c6ebb8c6a981016989d2fd2d7d8c63f686d2e6a7
SHA512

ce22bef15ed8ac0c491623607a3e83d453553e626d24d2a0e6a6a7f759d1525816ec55d036ea2ccd1bec27505f8b9cf1977e7914afdface5167a8f36dcac893b
SSDEEP

768:usuijtHf5g7/MjN3Ha4LWqY+5cpSMuRRRzv4/+5jUnyZ:rNW70x6ALBw/n8

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

cybersnake.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/900-1-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/3156-3-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/900-4-0x0000000010000000-0x000000001004B000-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
Xtremerat family
xtremerat

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3156-0-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/900-1-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3156-3-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/900-4-0x0000000010000000-0x000000001004B000-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
5076	900	WerFault.exe	82
2932	900	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 900	3156	dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe	82
PID 3156 wrote to memory of 900	3156	dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe	82
PID 3156 wrote to memory of 900	3156	dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe	82
PID 3156 wrote to memory of 900	3156	dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe	82
PID 3156 wrote to memory of 1440	3156	dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe	83
PID 3156 wrote to memory of 1440	3156	dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe	83
PID 3156 wrote to memory of 1440	3156	dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd269ba6e519d74ec7104431a0089e2b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 488
    3⤵
    - Program crash
    PID:5076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 508
    3⤵
    - Program crash
    PID:2932
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 900 -ip 900
1⤵
PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 900 -ip 900
1⤵
PID:4356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/900-1-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/900-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3156-0-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3156-3-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download