xtremerat | dfef86c535437b7462e61718bacdf4e9a7640c8723872885086bad3d4244cb3f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 15:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe
Size

43KB
MD5

b20d64ef94b4170ea89d19bc00cde964
SHA1

c8e9ff186020a98c5851b7ba21f38595a326f653
SHA256

dfef86c535437b7462e61718bacdf4e9a7640c8723872885086bad3d4244cb3f
SHA512

ee89ad30b2948c8619c9e23a949d067d08bf11f2964bbfbabaea642a05f10aa28f2ca7368f8530be5f2fd157dc902b521169b832f945bd122c5798d31bbeb754
SSDEEP

768:knMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsghleTUD7phf0Yl5u:kMNW71rcYDAWeoDrsCDDhl5u

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

neveshacker.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3884-1-0x0000000010000000-0x0000000010054000-memory.dmp	family_xtremerat
behavioral2/memory/5080-3-0x0000000010000000-0x0000000010054000-memory.dmp	family_xtremerat
behavioral2/memory/3884-4-0x0000000010000000-0x0000000010054000-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/5080-0-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral2/memory/3884-1-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral2/memory/5080-3-0x0000000010000000-0x0000000010054000-memory.dmp	upx
behavioral2/memory/3884-4-0x0000000010000000-0x0000000010054000-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
4212	3884	WerFault.exe	83
4348	3884	WerFault.exe	83

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	b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 3884	5080	b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe	83
PID 5080 wrote to memory of 3884	5080	b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe	83
PID 5080 wrote to memory of 3884	5080	b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe	83
PID 5080 wrote to memory of 3884	5080	b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe	83
PID 5080 wrote to memory of 3968	5080	b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe	84
PID 5080 wrote to memory of 3968	5080	b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe	84
PID 5080 wrote to memory of 3968	5080	b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b20d64ef94b4170ea89d19bc00cde964_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 480
    3⤵
    - Program crash
    PID:4212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 488
    3⤵
    - Program crash
    PID:4348
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3884 -ip 3884
1⤵
PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3884 -ip 3884
1⤵
PID:4048

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3884-1-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/3884-4-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/5080-0-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/5080-3-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download