xtremerat | c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1b

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/12/2024, 03:03

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General

Target

c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe
Size

283KB
MD5

e2f3bc838868512291eac5bbec29c7e0
SHA1

952f0f1e866c9a2743c939ff894bbdaf75c6fff3
SHA256

c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1b
SHA512

0879ca3966cb08d4ac3dad41ed9fe762888a1c17c2dbe4637295d83b2c533831a288745a1b631d6d0b63a4488134fd26b5714bc9709139584de3d3c81a38a0f2
SSDEEP

768:7Gsdq7QJTlbUP3EwomeRih8jLlLDhKDSGU2+rD71SCgEHYr:Ksdq7QgP0ZNWb+XY

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

mashaal.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/1164-0-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/3688-1-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/1164-2-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/3688-3-0x0000000010000000-0x0000000010049000-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/1164-0-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/3688-1-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/1164-2-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/3688-3-0x0000000010000000-0x0000000010049000-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
2480	3688	WerFault.exe	82
4884	3688	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 3688	1164	c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe	82
PID 1164 wrote to memory of 3688	1164	c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe	82
PID 1164 wrote to memory of 3688	1164	c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe	82
PID 1164 wrote to memory of 3688	1164	c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe	82
PID 1164 wrote to memory of 3380	1164	c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe	83
PID 1164 wrote to memory of 3380	1164	c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe	83
PID 1164 wrote to memory of 3380	1164	c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe	83

C:\Users\Admin\AppData\Local\Temp\c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe
"C:\Users\Admin\AppData\Local\Temp\c8477d6f4710eabfb19717701b4545baebbafec3605c7eefd3c1c91e403fed1bN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 480
    3⤵
    - Program crash
    PID:2480
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 488
    3⤵
    - Program crash
    PID:4884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3688 -ip 3688
1⤵
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3688 -ip 3688
1⤵
PID:2244

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/1164-0-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/1164-2-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/3688-1-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/3688-3-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download