xtremerat | e1bbd1702acd3fd2479e6071e0da9850e275bea27ce7a2ec320dfb1836c4837f

General

Target

f8990aac3b3c7416ff5ba556b91b2ecc.exe
Size

512KB
MD5

f8990aac3b3c7416ff5ba556b91b2ecc
SHA1

9be5966e60d241952eed89f53fb8d66272c1912a
SHA256

e1bbd1702acd3fd2479e6071e0da9850e275bea27ce7a2ec320dfb1836c4837f
SHA512

dff9ec2cc0577c9d022a3e31695eedca4920820d073045e874212f0bcbdc795c645676295483202abe66235b9417e5ee0e922212996994180ceae0d9969ef5db
SSDEEP

3072:7QqNjkGxTtEZbWOuoismfVYfRCfAzEZUM/9TgOoc/S68i9B0kVeC+vNW7+Xi2YKQ:7DNNxT6CX++K

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

avera.zapto.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3980-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3980-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1152-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3980-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1152-9-0x0000000010000000-0x000000001004D000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3980-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3980-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3980-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3980-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1152-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3980-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1152-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1428 set thread context of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89

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
2496	1152	WerFault.exe	92
3324	1152	WerFault.exe	92

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89
PID 1428 wrote to memory of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89
PID 1428 wrote to memory of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89
PID 1428 wrote to memory of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89
PID 1428 wrote to memory of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89
PID 1428 wrote to memory of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89
PID 1428 wrote to memory of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89
PID 1428 wrote to memory of 3980	1428	f8990aac3b3c7416ff5ba556b91b2ecc.exe	89
PID 3980 wrote to memory of 1152	3980	f8990aac3b3c7416ff5ba556b91b2ecc.exe	92
PID 3980 wrote to memory of 1152	3980	f8990aac3b3c7416ff5ba556b91b2ecc.exe	92
PID 3980 wrote to memory of 1152	3980	f8990aac3b3c7416ff5ba556b91b2ecc.exe	92
PID 3980 wrote to memory of 1152	3980	f8990aac3b3c7416ff5ba556b91b2ecc.exe	92
PID 3980 wrote to memory of 2728	3980	f8990aac3b3c7416ff5ba556b91b2ecc.exe	93
PID 3980 wrote to memory of 2728	3980	f8990aac3b3c7416ff5ba556b91b2ecc.exe	93
PID 3980 wrote to memory of 2728	3980	f8990aac3b3c7416ff5ba556b91b2ecc.exe	93

C:\Users\Admin\AppData\Local\Temp\f8990aac3b3c7416ff5ba556b91b2ecc.exe
"C:\Users\Admin\AppData\Local\Temp\f8990aac3b3c7416ff5ba556b91b2ecc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Users\Admin\AppData\Local\Temp\f8990aac3b3c7416ff5ba556b91b2ecc.exe
  "C:\Users\Admin\AppData\Local\Temp\f8990aac3b3c7416ff5ba556b91b2ecc.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1152
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 480
      4⤵
      Program crash
      PID:2496
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 488
      4⤵
      Program crash
      PID:3324
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1152 -ip 1152
1⤵
PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1152 -ip 1152
1⤵
PID:2424

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1152-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1152-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3980-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3980-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3980-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3980-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3980-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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