xtremerat | 00171632f54e64b5d0ff8b78867e7a53b50def7cb06639d5f6e5e8bdae39eeaa

General

Target

dfd809f1edaf4727e7431eca0d74865c.exe
Size

272KB
MD5

dfd809f1edaf4727e7431eca0d74865c
SHA1

1ff57127ac9144345fd792629e636ad325f4b416
SHA256

00171632f54e64b5d0ff8b78867e7a53b50def7cb06639d5f6e5e8bdae39eeaa
SHA512

ea91ba63670ffa76471814d553232ae1e88983a94b51766c26ab185f868cd98c5ec47e3114ad255829a4eb7add426764d3fd03b2e02430b1afb8e32ef436ab92
SSDEEP

6144:gMauJeqN2l9oCTzZzx2D49gPa9/iP5XBJrLfsLt:q3qNEBlcQoLxLELt

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

alssm.no-ip.biz

Signatures

Detect XtremeRAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1616-4-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1616-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1616-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1616-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4256-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4304-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1616-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4256-13-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4304-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4304-15-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4304-17-0x0000000010000000-0x0000000010048000-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

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{S3875TV7-54F1-5XNB-M1L2-RS4IE8H56D40}\StubPath = "C:\\Windows\\system32\\windiwsubdata\\windows updata.exe restart"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{S3875TV7-54F1-5XNB-M1L2-RS4IE8H56D40}	explorer.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "%updata%"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\updata = "C:\\Windows\\system32\\windiwsubdata\\windows updata.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\update = "C:\\Windows\\system32\\windiwsubdata\\windows updata.exe"	explorer.exe

Drops file in System32 directory 3 IoCs

Processes:

explorer.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\windiwsubdata\windows updata.exe	explorer.exe
File created	C:\Windows\SysWOW64\windiwsubdata\windows updata.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\windiwsubdata\	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

dfd809f1edaf4727e7431eca0d74865c.exe

description pid process target process

PID 3248 set thread context of 1616 3248 dfd809f1edaf4727e7431eca0d74865c.exe dfd809f1edaf4727e7431eca0d74865c.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3580 4256 WerFault.exe svchost.exe
4724 4256 WerFault.exe svchost.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

dfd809f1edaf4727e7431eca0d74865c.exeexplorer.exe

pid process

3248 dfd809f1edaf4727e7431eca0d74865c.exe
4304 explorer.exe

description	pid	process	target process
PID 3248 set thread context of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe

pid	pid_target	process	target process
3580	4256	WerFault.exe	svchost.exe
4724	4256	WerFault.exe	svchost.exe

pid	process
3248	dfd809f1edaf4727e7431eca0d74865c.exe
4304	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

dfd809f1edaf4727e7431eca0d74865c.exedfd809f1edaf4727e7431eca0d74865c.exe

C:\Users\Admin\AppData\Local\Temp\dfd809f1edaf4727e7431eca0d74865c.exe
"C:\Users\Admin\AppData\Local\Temp\dfd809f1edaf4727e7431eca0d74865c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3248

C:\Users\Admin\AppData\Local\Temp\dfd809f1edaf4727e7431eca0d74865c.exe
"C:\Users\Admin\AppData\Local\Temp\dfd809f1edaf4727e7431eca0d74865c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1616

C:\Windows\SysWOW64\svchost.exe
svchost.exe
3⤵
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 480
4⤵
- Program crash
PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 488
4⤵
- Program crash
PID:4724

C:\Windows\SysWOW64\explorer.exe
explorer.exe
3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:4304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4256 -ip 4256
1⤵
PID:3216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4256 -ip 4256
1⤵
PID:624

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1616-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1616-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1616-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1616-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1616-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3248-2-0x0000000000400000-0x0000000000534AA0-memory.dmp

Filesize
1.2MB

Download
memory/3248-0-0x0000000000400000-0x0000000000534AA0-memory.dmp

Filesize
1.2MB

Download
memory/3248-16-0x0000000000400000-0x0000000000534AA0-memory.dmp

Filesize
1.2MB

Download
memory/4256-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4256-13-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4304-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4304-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4304-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4304-17-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

description	pid	process	target process
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 3248 wrote to memory of 1616	3248	dfd809f1edaf4727e7431eca0d74865c.exe	dfd809f1edaf4727e7431eca0d74865c.exe
PID 1616 wrote to memory of 4256	1616	dfd809f1edaf4727e7431eca0d74865c.exe	svchost.exe
PID 1616 wrote to memory of 4256	1616	dfd809f1edaf4727e7431eca0d74865c.exe	svchost.exe
PID 1616 wrote to memory of 4256	1616	dfd809f1edaf4727e7431eca0d74865c.exe	svchost.exe
PID 1616 wrote to memory of 4256	1616	dfd809f1edaf4727e7431eca0d74865c.exe	svchost.exe
PID 1616 wrote to memory of 4304	1616	dfd809f1edaf4727e7431eca0d74865c.exe	explorer.exe
PID 1616 wrote to memory of 4304	1616	dfd809f1edaf4727e7431eca0d74865c.exe	explorer.exe
PID 1616 wrote to memory of 4304	1616	dfd809f1edaf4727e7431eca0d74865c.exe	explorer.exe
PID 1616 wrote to memory of 4304	1616	dfd809f1edaf4727e7431eca0d74865c.exe	explorer.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads