xtremerat | f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367

Analysis

max time kernel
96s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2024, 10:35

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General

Target

f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe
Size

469KB
MD5

ef33f357b3dc27aafab7ce93f1d8ad80
SHA1

8fd63641c4948c1cff8a945142ce0a38ecbe8699
SHA256

f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367
SHA512

3051e68385b5bda3aa58187b04b20055cd055d99c2d2942f77b49b3912dafc58dc7a0d82986b231bd5477681259004caf622f8522a11bf57a426e401959bb891
SSDEEP

3072:42r0z9jJYX0LQynR1qA6HjJYX0Lvynp1:4k0pdU2RwBHdD2p

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2712-0-0x0000000010000000-0x0000000010077000-memory.dmp	family_xtremerat
behavioral2/memory/4172-1-0x0000000010000000-0x0000000010077000-memory.dmp	family_xtremerat
behavioral2/memory/2712-2-0x0000000010000000-0x0000000010077000-memory.dmp	family_xtremerat
behavioral2/memory/4172-4-0x0000000010000000-0x0000000010077000-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/2712-0-0x0000000010000000-0x0000000010077000-memory.dmp	upx
behavioral2/memory/4172-1-0x0000000010000000-0x0000000010077000-memory.dmp	upx
behavioral2/memory/2712-2-0x0000000010000000-0x0000000010077000-memory.dmp	upx
behavioral2/memory/4172-4-0x0000000010000000-0x0000000010077000-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
1100	4172	WerFault.exe	82
1284	4172	WerFault.exe	82

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	f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 4172	2712	f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe	82
PID 2712 wrote to memory of 4172	2712	f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe	82
PID 2712 wrote to memory of 4172	2712	f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe	82
PID 2712 wrote to memory of 4172	2712	f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe	82
PID 2712 wrote to memory of 2704	2712	f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe	83
PID 2712 wrote to memory of 2704	2712	f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe	83
PID 2712 wrote to memory of 2704	2712	f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe	83

C:\Users\Admin\AppData\Local\Temp\f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe
"C:\Users\Admin\AppData\Local\Temp\f12d3f04e095a9b23f855791fd82976e08801d78ef5cedc1d04c9352b3be2367N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 480
    3⤵
    - Program crash
    PID:1100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 488
    3⤵
    - Program crash
    PID:1284
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4172 -ip 4172
1⤵
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4172 -ip 4172
1⤵
PID:3788

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/2712-0-0x0000000010000000-0x0000000010077000-memory.dmp

Filesize
476KB

Download
memory/2712-2-0x0000000010000000-0x0000000010077000-memory.dmp

Filesize
476KB

Download
memory/4172-1-0x0000000010000000-0x0000000010077000-memory.dmp

Filesize
476KB

Download
memory/4172-4-0x0000000010000000-0x0000000010077000-memory.dmp

Filesize
476KB

Download