xtremerat | 8e077426126ea4cdc703109294b2a91158f32d291db8936ca42556366065b887

Analysis

max time kernel
95s
max time network
137s
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 13:54

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General

Target

JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe
Size

33KB
MD5

659293c4c63e5e137b7ad753e718810c
SHA1

413e69c5d0fb7f9c1489ad24fa6c092fe666516b
SHA256

8e077426126ea4cdc703109294b2a91158f32d291db8936ca42556366065b887
SHA512

927670565f172966fd625db839820649127150d280c63a2d69f88ca3fa340b1fd1218bd3eb21dd04c7abb030e32358c740f77ffcea4966d2a4540f94ba9f9a91
SSDEEP

768:1MuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lEWZe5afYgsa:+NW71rcYDAWeotvXlE4waQ

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

pikwi729.no-ip.org

Ąpikwi729.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1144-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2124-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1144-4-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2124-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1144-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2124-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1144-4-0x0000000010000000-0x000000001004D000-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
4976	1144	WerFault.exe	83
3504	1144	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	JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1144	2124	JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe	83
PID 2124 wrote to memory of 1144	2124	JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe	83
PID 2124 wrote to memory of 1144	2124	JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe	83
PID 2124 wrote to memory of 1144	2124	JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe	83
PID 2124 wrote to memory of 4560	2124	JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe	84
PID 2124 wrote to memory of 4560	2124	JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe	84
PID 2124 wrote to memory of 4560	2124	JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_659293c4c63e5e137b7ad753e718810c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 480
    3⤵
    - Program crash
    PID:4976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 488
    3⤵
    - Program crash
    PID:3504
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1144 -ip 1144
1⤵
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1144 -ip 1144
1⤵
PID:636

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/1144-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1144-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2124-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2124-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download