xtremerat | 5063e120a317f4fc546b048ddd812da03c633227025faff4756afaa59b3f0cbc

General

Target
30cdbdd59960767bc78e08a0f59d7100N.exe
Size 64KB
Sample240713-crjldsteng
SHA256 5063e120a317f4fc546b048ddd812da03c633227025faff4756afaa59b3f0cbc
MD5 30cdbdd59960767bc78e08a0f59d7100
SHA1 182db1c9e1473121d1fa4468f63dfba735786ba6
SHA512 025f30ad64baa30d1482ffd04bfd83abcb789dd5711c2af52b16c44e5a394eb6fc32b5ce617a26365e04a3def2d63cc6a1652c02bc94067090ce8aff5af80a20
SSDEEP 768:rBr+tjFY90iY6W1jwmDzKgEFQXaklMIAn0tYCpP55u/5uizoh:FyRh31jxPEFQXak+05h5u/5uOoh
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

kingofspeed.no-ip.org

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/3520-6-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/files/0x00070000000234b5-7.dat	family_xtremerat
behavioral2/memory/3020-9-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/3632-8-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/4364-10-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/3020-13-0x0000000000C80000-0x0000000000C98000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	30cdbdd59960767bc78e08a0f59d7100N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\adober.exe restart"	30cdbdd59960767bc78e08a0f59d7100N.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\adober.exe restart"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3632	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\adober = "C:\\Windows\\system32\\InstallDir\\adober.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adober = "C:\\Windows\\system32\\InstallDir\\adober.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\adober = "C:\\Windows\\system32\\InstallDir\\adober.exe"	30cdbdd59960767bc78e08a0f59d7100N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adober = "C:\\Windows\\system32\\InstallDir\\adober.exe"	30cdbdd59960767bc78e08a0f59d7100N.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\adober.exe	30cdbdd59960767bc78e08a0f59d7100N.exe
File created	C:\Windows\SysWOW64\InstallDir\adober.exe	30cdbdd59960767bc78e08a0f59d7100N.exe
File opened for modification	C:\Windows\SysWOW64\InstallDir\	30cdbdd59960767bc78e08a0f59d7100N.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3020	calc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 3520	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	85
PID 4364 wrote to memory of 3520	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	85
PID 4364 wrote to memory of 3520	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	85
PID 4364 wrote to memory of 3520	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	85
PID 4364 wrote to memory of 3020	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	87
PID 4364 wrote to memory of 3020	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	87
PID 4364 wrote to memory of 3020	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	87
PID 4364 wrote to memory of 3632	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	88
PID 4364 wrote to memory of 3632	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	88
PID 4364 wrote to memory of 3632	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	88
PID 4364 wrote to memory of 3632	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	88
PID 4364 wrote to memory of 3020	4364	30cdbdd59960767bc78e08a0f59d7100N.exe	87

C:\Users\Admin\AppData\Local\Temp\30cdbdd59960767bc78e08a0f59d7100N.exe
"C:\Users\Admin\AppData\Local\Temp\30cdbdd59960767bc78e08a0f59d7100N.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  PID:3520
- C:\Windows\SysWOW64\calc.exe
  calc.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3020
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Deletes itself
  PID:3632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

adober.exe

Path C:\Windows\SysWOW64\InstallDir\adober.exe
Size 64KB
SHA256 5063e120a317f4fc546b048ddd812da03c633227025faff4756afaa59b3f0cbc
MD5 30cdbdd59960767bc78e08a0f59d7100
SHA1 182db1c9e1473121d1fa4468f63dfba735786ba6
SHA512 025f30ad64baa30d1482ffd04bfd83abcb789dd5711c2af52b16c44e5a394eb6fc32b5ce617a26365e04a3def2d63cc6a1652c02bc94067090ce8aff5af80a20
SSDEEP 768:rBr+tjFY90iY6W1jwmDzKgEFQXaklMIAn0tYCpP55u/5uizoh:FyRh31jxPEFQXak+05h5u/5uOoh
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3020-9-0x0000000000C80000-0x0000000000C98000-memory.dmp

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memory/3020-13-0x0000000000C80000-0x0000000000C98000-memory.dmp

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memory/3520-6-0x0000000000C80000-0x0000000000C98000-memory.dmp

Download

memory/3632-8-0x0000000000C80000-0x0000000000C98000-memory.dmp

Download

memory/4364-10-0x0000000000C80000-0x0000000000C98000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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