xtremerat | a1d39011fcaf1e58bc282a14fee661a10550157045cf5093014006c57a950e36

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 10:30

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General

Target
7a0080f5081553234ec23937aaefba4a.exe
Size 162KB
Sample240127-mj9sqaace5
SHA256 a1d39011fcaf1e58bc282a14fee661a10550157045cf5093014006c57a950e36
MD5 7a0080f5081553234ec23937aaefba4a
SHA1 43608e02dbd8dd6794946e1f819f44a596619a40
SHA512 ad97a696410bb027109d9e21ae71b10a54c049d9ceaa1bf9cb3276ef03201dd333ed9a01d80eac43ccad20006538bce4fbbb100a186b280a7ac2dd21843f4075
SSDEEP 3072:r6bK1vebWitItDgjb+Wd0nbFpcBLQYf19DcgkUb19DcgkUL:aaitce+1BpcBLQK
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 9 IoCs

resource	yara_rule
behavioral2/memory/1680-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1628-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4084-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4712-16-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4712-17-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1680-18-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4084-19-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1628-20-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4712-21-0x0000000010000000-0x000000001004D000-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

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{HJ737S4V-R4MY-2N6U-D5GE-V54BL408YPS5}	7a0080f5081553234ec23937aaefba4a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{HJ737S4V-R4MY-2N6U-D5GE-V54BL408YPS5}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	7a0080f5081553234ec23937aaefba4a.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4712-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4712-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1680-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1628-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4084-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4712-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4712-17-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1680-18-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4084-19-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1628-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4712-21-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\microsoft = "C:\\Windows\\InstallDir\\Server.exe"	7a0080f5081553234ec23937aaefba4a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsoft = "C:\\Windows\\InstallDir\\Server.exe"	7a0080f5081553234ec23937aaefba4a.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3004 set thread context of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 set thread context of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\	7a0080f5081553234ec23937aaefba4a.exe
File opened for modification	C:\Windows\InstallDir\Server.exe	7a0080f5081553234ec23937aaefba4a.exe
File created	C:\Windows\InstallDir\Server.exe	7a0080f5081553234ec23937aaefba4a.exe

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2212	4084	WerFault.exe	89
3948	1628	WerFault.exe	88
4928	4084	WerFault.exe	89
4016	1628	WerFault.exe	88

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3004	7a0080f5081553234ec23937aaefba4a.exe
4712	7a0080f5081553234ec23937aaefba4a.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 wrote to memory of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 wrote to memory of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 wrote to memory of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 wrote to memory of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 wrote to memory of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 wrote to memory of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 wrote to memory of 4712	3004	7a0080f5081553234ec23937aaefba4a.exe	86
PID 3004 wrote to memory of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87
PID 3004 wrote to memory of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87
PID 3004 wrote to memory of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87
PID 3004 wrote to memory of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87
PID 3004 wrote to memory of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87
PID 3004 wrote to memory of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87
PID 3004 wrote to memory of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87
PID 3004 wrote to memory of 1680	3004	7a0080f5081553234ec23937aaefba4a.exe	87
PID 1680 wrote to memory of 1628	1680	7a0080f5081553234ec23937aaefba4a.exe	88
PID 1680 wrote to memory of 1628	1680	7a0080f5081553234ec23937aaefba4a.exe	88
PID 1680 wrote to memory of 1628	1680	7a0080f5081553234ec23937aaefba4a.exe	88
PID 4712 wrote to memory of 4084	4712	7a0080f5081553234ec23937aaefba4a.exe	89
PID 4712 wrote to memory of 4084	4712	7a0080f5081553234ec23937aaefba4a.exe	89
PID 4712 wrote to memory of 4084	4712	7a0080f5081553234ec23937aaefba4a.exe	89
PID 4712 wrote to memory of 4084	4712	7a0080f5081553234ec23937aaefba4a.exe	89
PID 1680 wrote to memory of 1628	1680	7a0080f5081553234ec23937aaefba4a.exe	88
PID 1680 wrote to memory of 532	1680	7a0080f5081553234ec23937aaefba4a.exe	91
PID 1680 wrote to memory of 532	1680	7a0080f5081553234ec23937aaefba4a.exe	91
PID 1680 wrote to memory of 532	1680	7a0080f5081553234ec23937aaefba4a.exe	91

C:\Users\Admin\AppData\Local\Temp\7a0080f5081553234ec23937aaefba4a.exe
"C:\Users\Admin\AppData\Local\Temp\7a0080f5081553234ec23937aaefba4a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\7a0080f5081553234ec23937aaefba4a.exe
  "C:\Users\Admin\AppData\Local\Temp\7a0080f5081553234ec23937aaefba4a.exe"
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 480
      4⤵
      Program crash
      PID:2212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 488
      4⤵
      Program crash
      PID:4928
- C:\Users\Admin\AppData\Local\Temp\7a0080f5081553234ec23937aaefba4a.exe
  "C:\Users\Admin\AppData\Local\Temp\7a0080f5081553234ec23937aaefba4a.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 480
      4⤵
      Program crash
      PID:3948
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 488
      4⤵
      Program crash
      PID:4016
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1628 -ip 1628
1⤵
PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4084 -ip 4084
1⤵
PID:2116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4084 -ip 4084
1⤵
PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1628 -ip 1628
1⤵
PID:3952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1628-13-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1628-20-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1680-18-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/1680-10-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/3004-9-0x0000000000400000-0x000000000043F000-memory.dmp

Download

memory/3004-0-0x0000000000400000-0x000000000043F000-memory.dmp

Download

memory/4084-12-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4084-19-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4712-7-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4712-16-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4712-17-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4712-3-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4712-21-0x0000000010000000-0x000000001004D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads