xtremerat | 1e50f28e73d319419a924bb9e72dfa6fad646e4fef125ca6a3a2ca26420d3f42

Analysis

max time kernel
139s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2024 15:36

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General

Target

62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe
Size

33KB
MD5

62fe30b338a10a2f8da134b41541a9ef
SHA1

7f9593701518885269d2362f145aa276e1b2c4f8
SHA256

1e50f28e73d319419a924bb9e72dfa6fad646e4fef125ca6a3a2ca26420d3f42
SHA512

19d0fa7b788028fd25c4954995af07930ce83be9cbffe815d9405cd1bf5cceebfb4bf3af03bde1df97299b7ace0da57a17574fc40f796ce091cae92a108f2915
SSDEEP

768:nMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66l+tsZ1fyD:MNW71rcYDAWeotvXlEil

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

sucucha.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4564-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4856-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4564-4-0x0000000010000000-0x000000001004D000-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 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4856-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4564-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4856-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4564-4-0x0000000010000000-0x000000001004D000-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
936	4564	WerFault.exe	84
5112	4564	WerFault.exe	84

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	62fe30b338a10a2f8da134b41541a9ef_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 4856 wrote to memory of 4564	4856	62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe	84
PID 4856 wrote to memory of 4564	4856	62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe	84
PID 4856 wrote to memory of 4564	4856	62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe	84
PID 4856 wrote to memory of 4564	4856	62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe	84
PID 4856 wrote to memory of 1856	4856	62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe	86
PID 4856 wrote to memory of 1856	4856	62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe	86
PID 4856 wrote to memory of 1856	4856	62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\62fe30b338a10a2f8da134b41541a9ef_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 480
    3⤵
    - Program crash
    PID:936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 488
    3⤵
    - Program crash
    PID:5112
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
1⤵
PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4564 -ip 4564
1⤵
PID:2052

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/4564-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4564-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4856-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4856-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download