xtremerat | c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe

Analysis

max time kernel
144s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 09:02

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General

Target

c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe
Size

205KB
MD5

5bd790f9ad826b59173a72498f9a96e5
SHA1

36a1e9bbc5774f96681740e8216923e0377d05be
SHA256

c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe
SHA512

f8a7eb6143e150a4483228043e363969bdadb3d1f47e34912ebebc898bbb007db35384c9a4472c8ab556b4428f8903b2f5bd6bc3eab627954d63236af85400b8
SSDEEP

3072:QZkRi4rZqDjiuHg76dGMGK/P833iO779p9cFe6Q1cdE0SI1PbHNRTG64IoX:QWRTmaW9GH33hXCeBuEObHNRTG64

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

juliosouza.no-ip.org

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/1436-133-0x0000000000C80000-0x0000000000CFA000-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

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1436-132-0x0000000000C80000-0x0000000000CFA000-memory.dmp	upx
behavioral2/memory/1436-133-0x0000000000C80000-0x0000000000CFA000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe
File created	C:\Windows\InstallDir\Server.exe	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 4992	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	79
PID 1436 wrote to memory of 4992	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	79
PID 1436 wrote to memory of 4968	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	80
PID 1436 wrote to memory of 4968	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	80
PID 1436 wrote to memory of 4968	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	80
PID 1436 wrote to memory of 4940	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	81
PID 1436 wrote to memory of 4940	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	81
PID 1436 wrote to memory of 5024	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	82
PID 1436 wrote to memory of 5024	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	82
PID 1436 wrote to memory of 5024	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	82
PID 1436 wrote to memory of 5032	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	83
PID 1436 wrote to memory of 5032	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	83
PID 1436 wrote to memory of 5040	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	84
PID 1436 wrote to memory of 5040	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	84
PID 1436 wrote to memory of 5040	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	84
PID 1436 wrote to memory of 4280	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	85
PID 1436 wrote to memory of 4280	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	85
PID 1436 wrote to memory of 4076	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	86
PID 1436 wrote to memory of 4076	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	86
PID 1436 wrote to memory of 4076	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	86
PID 1436 wrote to memory of 1220	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	87
PID 1436 wrote to memory of 1220	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	87
PID 1436 wrote to memory of 1980	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	88
PID 1436 wrote to memory of 1980	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	88
PID 1436 wrote to memory of 1980	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	88
PID 1436 wrote to memory of 2068	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	89
PID 1436 wrote to memory of 2068	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	89
PID 1436 wrote to memory of 4656	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	90
PID 1436 wrote to memory of 4656	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	90
PID 1436 wrote to memory of 4656	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	90
PID 1436 wrote to memory of 2116	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	91
PID 1436 wrote to memory of 2116	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	91
PID 1436 wrote to memory of 4612	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	92
PID 1436 wrote to memory of 4612	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	92
PID 1436 wrote to memory of 4612	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	92
PID 1436 wrote to memory of 4620	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	93
PID 1436 wrote to memory of 4620	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	93
PID 1436 wrote to memory of 4136	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	94
PID 1436 wrote to memory of 4136	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	94
PID 1436 wrote to memory of 4136	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	94
PID 1436 wrote to memory of 396	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	95
PID 1436 wrote to memory of 396	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	95
PID 1436 wrote to memory of 4312	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	96
PID 1436 wrote to memory of 4312	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	96
PID 1436 wrote to memory of 4312	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	96
PID 1436 wrote to memory of 4308	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	97
PID 1436 wrote to memory of 4308	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	97
PID 1436 wrote to memory of 2984	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	98
PID 1436 wrote to memory of 2984	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	98
PID 1436 wrote to memory of 2984	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	98
PID 1436 wrote to memory of 2140	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	99
PID 1436 wrote to memory of 2140	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	99
PID 1436 wrote to memory of 2800	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	100
PID 1436 wrote to memory of 2800	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	100
PID 1436 wrote to memory of 2800	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	100
PID 1436 wrote to memory of 1872	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	101
PID 1436 wrote to memory of 1872	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	101
PID 1436 wrote to memory of 740	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	102
PID 1436 wrote to memory of 740	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	102
PID 1436 wrote to memory of 740	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	102
PID 1436 wrote to memory of 3392	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	103
PID 1436 wrote to memory of 3392	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	103
PID 1436 wrote to memory of 540	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	104
PID 1436 wrote to memory of 540	1436	c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe	104

C:\Users\Admin\AppData\Local\Temp\c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe
"C:\Users\Admin\AppData\Local\Temp\c81547b192e71dc1c4859368795cb687be1cc5a9e2f2c5137ee290cfb8d504fe.exe"
1⤵
- 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:1436
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4992
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:4968
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4940
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:5024
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:5032
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:5040
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4280
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:4076
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1220
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:1980
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2068
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:4656
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2116
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:4612
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4620
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:4136
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:396
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:4312
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4308
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:2984
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2140
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:2800
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1872
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:740
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3392
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:540
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1644
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:3140
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2472
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:2496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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/1436-132-0x0000000000C80000-0x0000000000CFA000-memory.dmp

Filesize
488KB

Download
memory/1436-133-0x0000000000C80000-0x0000000000CFA000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads