xtremerat | 4c0b4df17682e33ff6a2b56b595ebd4cc376ab381aa48d4f21a537b8e97f1f06

General

Target
9cfcaa8bcef1bfdb9462f6c132b55878.exe
Size 121KB
Sample240215-fa5dbagg4v
SHA256 4c0b4df17682e33ff6a2b56b595ebd4cc376ab381aa48d4f21a537b8e97f1f06
MD5 9cfcaa8bcef1bfdb9462f6c132b55878
SHA1 b821394392c8dc60078b3120acfa8f724d337389
SHA512 8509078a4302ef68c618346717e5115be264c12fa42236edb461cda1da79dc86b89283a0f73d5fdc74205be55d16a9d6f6482379035a88db1ead0479a1934e8d
SSDEEP 3072:OkJcPWL32zNo+ViJ54RsSA9CChGOGFN6kgQt3TuabRONmbo+e:OQhLGI99CEpGCkgd6oZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

bl00dmaster.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/1204-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1204-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1888-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1204-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1888-12-0x0000000010000000-0x000000001004D000-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/1204-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1204-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1204-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1204-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1888-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1204-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1888-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 60 set thread context of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86

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
2080	1888	WerFault.exe	87
2988	1888	WerFault.exe	87

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
60	9cfcaa8bcef1bfdb9462f6c132b55878.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 60 wrote to memory of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86
PID 60 wrote to memory of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86
PID 60 wrote to memory of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86
PID 60 wrote to memory of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86
PID 60 wrote to memory of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86
PID 60 wrote to memory of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86
PID 60 wrote to memory of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86
PID 60 wrote to memory of 1204	60	9cfcaa8bcef1bfdb9462f6c132b55878.exe	86
PID 1204 wrote to memory of 1888	1204	9cfcaa8bcef1bfdb9462f6c132b55878.exe	87
PID 1204 wrote to memory of 1888	1204	9cfcaa8bcef1bfdb9462f6c132b55878.exe	87
PID 1204 wrote to memory of 1888	1204	9cfcaa8bcef1bfdb9462f6c132b55878.exe	87
PID 1204 wrote to memory of 1888	1204	9cfcaa8bcef1bfdb9462f6c132b55878.exe	87
PID 1204 wrote to memory of 4192	1204	9cfcaa8bcef1bfdb9462f6c132b55878.exe	88
PID 1204 wrote to memory of 4192	1204	9cfcaa8bcef1bfdb9462f6c132b55878.exe	88
PID 1204 wrote to memory of 4192	1204	9cfcaa8bcef1bfdb9462f6c132b55878.exe	88

C:\Users\Admin\AppData\Local\Temp\9cfcaa8bcef1bfdb9462f6c132b55878.exe
"C:\Users\Admin\AppData\Local\Temp\9cfcaa8bcef1bfdb9462f6c132b55878.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:60
- C:\Users\Admin\AppData\Local\Temp\9cfcaa8bcef1bfdb9462f6c132b55878.exe
  "C:\Users\Admin\AppData\Local\Temp\9cfcaa8bcef1bfdb9462f6c132b55878.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1204
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 480
      4⤵
      Program crash
      PID:2080
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 500
      4⤵
      Program crash
      PID:2988
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 1888 -ip 1888
1⤵
PID:3680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1888 -ip 1888
1⤵
PID:5112

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

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Downloads

memory/60-0-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/60-6-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/1204-4-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1204-7-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1204-8-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1204-9-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1204-11-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1888-10-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1888-12-0x0000000010000000-0x000000001004D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads