xtremerat | 3f7c9c97010e043df357cea88cf1ad4f2c7075731676389bd6fd7043e75fb8f9

Analysis

max time kernel
160s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 02:29

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General

Target
c4bec08a7d4e65710317bd8c5e32f7e3.exe
Size 97KB
Sample240313-cype8acc75
SHA256 3f7c9c97010e043df357cea88cf1ad4f2c7075731676389bd6fd7043e75fb8f9
MD5 c4bec08a7d4e65710317bd8c5e32f7e3
SHA1 ade7ee609e3c25d576568a29a332872b266bdc20
SHA512 c961c71f816b52585957216ae19947e156e4cb430ad28de4dcbf09c6d9d791c052448fbe07769790065458301c7a7f1b674c196639bb154424202c11aa18ff78
SSDEEP 1536:68g+JSXNSeVeJUauz0z9OjGQehxVuH7VtOhlthndT0BFLnE+G6DxCEp:6R+JSdSBuz0z9OjG1xUx8/tpdgfEwLp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

franco1.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2880-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2880-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4252-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2880-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4252-11-0x0000000010000000-0x000000001004D000-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/2880-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2880-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2880-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2880-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4252-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2880-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4252-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1148 set thread context of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88

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
2600	4252	WerFault.exe	91
3932	4252	WerFault.exe	91

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88
PID 1148 wrote to memory of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88
PID 1148 wrote to memory of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88
PID 1148 wrote to memory of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88
PID 1148 wrote to memory of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88
PID 1148 wrote to memory of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88
PID 1148 wrote to memory of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88
PID 1148 wrote to memory of 2880	1148	c4bec08a7d4e65710317bd8c5e32f7e3.exe	88
PID 2880 wrote to memory of 4252	2880	c4bec08a7d4e65710317bd8c5e32f7e3.exe	91
PID 2880 wrote to memory of 4252	2880	c4bec08a7d4e65710317bd8c5e32f7e3.exe	91
PID 2880 wrote to memory of 4252	2880	c4bec08a7d4e65710317bd8c5e32f7e3.exe	91
PID 2880 wrote to memory of 4252	2880	c4bec08a7d4e65710317bd8c5e32f7e3.exe	91
PID 2880 wrote to memory of 2704	2880	c4bec08a7d4e65710317bd8c5e32f7e3.exe	92
PID 2880 wrote to memory of 2704	2880	c4bec08a7d4e65710317bd8c5e32f7e3.exe	92
PID 2880 wrote to memory of 2704	2880	c4bec08a7d4e65710317bd8c5e32f7e3.exe	92

C:\Users\Admin\AppData\Local\Temp\c4bec08a7d4e65710317bd8c5e32f7e3.exe
"C:\Users\Admin\AppData\Local\Temp\c4bec08a7d4e65710317bd8c5e32f7e3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Local\Temp\c4bec08a7d4e65710317bd8c5e32f7e3.exe
  C:\Users\Admin\AppData\Local\Temp\c4bec08a7d4e65710317bd8c5e32f7e3.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4252
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4252 -s 480
      4⤵
      Program crash
      PID:2600
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4252 -s 488
      4⤵
      Program crash
      PID:3932
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4252 -ip 4252
1⤵
PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4252 -ip 4252
1⤵
PID:1360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2880-4-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/2880-6-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/2880-7-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/2880-8-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/2880-10-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4252-9-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/4252-11-0x0000000010000000-0x000000001004D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads