xtremerat | 72146d983eb93ddedc00bf3a8fc0f08a941d677d3e08e9c769b4086bd2738974

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 04:47

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General

Target

JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe
Size

33KB
MD5

62bdbcf1e148fca437887f1adbfe5d96
SHA1

908cdf5a8d8478cc32acf8725b1856c41822e4c6
SHA256

72146d983eb93ddedc00bf3a8fc0f08a941d677d3e08e9c769b4086bd2738974
SHA512

55df437c8fb8234b7034c5fb3b16e091fab0f92951cafbbd81d5b8539b31f2cb42428172d312ff5cd563977aaef8cc607d4281342e263146cd1841caa0747123
SSDEEP

768:VMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lltzCkBZOeu3z:eNW71rcYDAWeotvXlD+D

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

mesn.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3964-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4612-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3964-3-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4612-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3964-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4612-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3964-3-0x0000000010000000-0x000000001004D000-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
3736	3964	WerFault.exe	83
2436	3964	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 3964	4612	JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe	83
PID 4612 wrote to memory of 3964	4612	JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe	83
PID 4612 wrote to memory of 3964	4612	JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe	83
PID 4612 wrote to memory of 3964	4612	JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe	83
PID 4612 wrote to memory of 3136	4612	JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe	84
PID 4612 wrote to memory of 3136	4612	JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe	84
PID 4612 wrote to memory of 3136	4612	JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62bdbcf1e148fca437887f1adbfe5d96.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 484
    3⤵
    - Program crash
    PID:3736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 504
    3⤵
    - Program crash
    PID:2436
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3964 -ip 3964
1⤵
PID:2708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3964 -ip 3964
1⤵
PID:4004

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/3964-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3964-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4612-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4612-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download