xtremerat | f40dbd91305d5402a21b5ee3b17f7c9f3343ab159101fd33160e7233ee712049

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-02-2025 11:03

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General

Target

JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe
Size

335KB
MD5

0b7401e7dda8c200fa406a5922abdddb
SHA1

873ea1a87cd993e0c431afaaa8e27fe81363a15f
SHA256

f40dbd91305d5402a21b5ee3b17f7c9f3343ab159101fd33160e7233ee712049
SHA512

a8ea6b02a7e54f0b35ac97b4e17565fd98836cbf9bb011beaf4881955b6feafceaabafe2d71be0c6261def202567b88c1c3aaef6672939ac9d4b3bd05fe7c599
SSDEEP

1536:qT8qDqQ8K9MKhuiUMKgP2koJ0w8kZIFSpFp9VDqXFx:wqMyKQLKw8kZI09+Fx

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/1328-0-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/1328-4-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/2420-5-0x0000000010000000-0x0000000010052000-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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1328-0-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/1328-4-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2420-5-0x0000000010000000-0x0000000010052000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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_0b7401e7dda8c200fa406a5922abdddb.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 2420	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	30
PID 1328 wrote to memory of 2420	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	30
PID 1328 wrote to memory of 2420	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	30
PID 1328 wrote to memory of 2420	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	30
PID 1328 wrote to memory of 2420	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	30
PID 1328 wrote to memory of 540	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	31
PID 1328 wrote to memory of 540	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	31
PID 1328 wrote to memory of 540	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	31
PID 1328 wrote to memory of 540	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	31
PID 1328 wrote to memory of 540	1328	JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b7401e7dda8c200fa406a5922abdddb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:540

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

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Downloads

memory/1328-0-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/1328-4-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2420-1-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2420-5-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download