xtremerat | 9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7

General

Target

9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe
Size

301KB
MD5

a744ae9d721963d46e8c37f84e9177fd
SHA1

7ccde574efe018f4289d18eac83c051c329524db
SHA256

9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7
SHA512

cdaa4b1dfe451c3ababab69504982e802fbb6afc8e10d15da16a953774a00753f63e3f35647e17d0cd6cc1a1ffd9471e62b618a46b81e7efe8b70923862cc5bc
SSDEEP

768:a8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiiIzoyogX0:Isq+QV4rObAdXWpf/y+8obmox

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3916-0-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4136-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3916-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4136-3-0x0000000010000000-0x000000001004D000-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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
28	3040	Process not Found

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3916-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4136-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3916-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4136-3-0x0000000010000000-0x000000001004D000-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
4908	4136	WerFault.exe	88
552	4136	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 3 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	9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
5008	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 4136	3916	9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe	88
PID 3916 wrote to memory of 4136	3916	9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe	88
PID 3916 wrote to memory of 4136	3916	9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe	88
PID 3916 wrote to memory of 4136	3916	9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe	88
PID 3916 wrote to memory of 3592	3916	9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe	89
PID 3916 wrote to memory of 3592	3916	9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe	89
PID 3916 wrote to memory of 3592	3916	9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe	89

C:\Users\Admin\AppData\Local\Temp\9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe
"C:\Users\Admin\AppData\Local\Temp\9afe66476221857f85ed3da40bbda0ee279b01dbe5ae5d2753dad8b90790ebe7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 484
    3⤵
    - Program crash
    PID:4908
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 492
    3⤵
    - Program crash
    PID:552
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4136 -ip 4136
1⤵
PID:5116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4136 -ip 4136
1⤵
PID:4036

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDU3NzMyMDI2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3916-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3916-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4136-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4136-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing