Malware Analysis Report

2024-12-06 03:25

Sample ID 241023-cgejpawdkd
Target feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
SHA256 feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc
Tags
discovery guloader downloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc

Threat Level: Known bad

The file feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe was found to be: Known bad.

Malicious Activity Summary

discovery guloader downloader

Guloader,Cloudeye

Loads dropped DLL

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of NtCreateThreadExHideFromDebugger

Drops file in Windows directory

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Enumerates physical storage devices

NSIS installer

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-23 02:02

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

NSIS installer

installer
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-10-23 02:02

Reported

2024-10-23 02:05

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 224

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-10-23 02:02

Reported

2024-10-23 02:05

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2280 wrote to memory of 2956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2956 -ip 2956

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-23 02:02

Reported

2024-10-23 02:05

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\Trnregimenternes\totalsanerende.Obs202 C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2828 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
PID 2828 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
PID 2828 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
PID 2828 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
PID 2828 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
PID 2828 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe
PID 1568 wrote to memory of 1620 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Windows\SysWOW64\WerFault.exe
PID 1568 wrote to memory of 1620 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Windows\SysWOW64\WerFault.exe
PID 1568 wrote to memory of 1620 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Windows\SysWOW64\WerFault.exe
PID 1568 wrote to memory of 1620 N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe

"C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe"

C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe

"C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 68

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.google.com udp
GB 172.217.16.238:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.178.3:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 216.58.201.97:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.18.190.72:80 crl.microsoft.com tcp

Files

C:\Users\Admin\Music\incinerations.lnk

MD5 4b2f16f3d58d90c8150c72585237ddb4
SHA1 d56001eec46ff0c29d4689c3727f3c2da4230c0f
SHA256 fb906799df34f815307df29beaf049cb0a9fb927553ac0b5e4bf978a534522d9
SHA512 4b7e3acde3182ff7712fffa3d40ed9efeea25ed4f34407e5e2a354b5c96834b0f2c70ca6c6879bc18d7453aac25d62cb91836083d189d5d56eb1b72c3d315765

\Users\Admin\AppData\Local\Temp\nst6B42.tmp\System.dll

MD5 cf85183b87314359488b850f9e97a698
SHA1 6b6c790037eec7ebea4d05590359cb4473f19aea
SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
SHA512 fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

memory/2828-429-0x0000000003BF0000-0x00000000068F7000-memory.dmp

memory/2828-430-0x00000000775F0000-0x00000000776C6000-memory.dmp

memory/2828-432-0x0000000003BF0000-0x00000000068F7000-memory.dmp

memory/2828-431-0x0000000077401000-0x0000000077502000-memory.dmp

memory/1568-433-0x0000000000400000-0x0000000001462000-memory.dmp

memory/1568-434-0x0000000001470000-0x0000000004177000-memory.dmp

memory/1568-456-0x0000000000400000-0x0000000001462000-memory.dmp

memory/1568-457-0x0000000000400000-0x0000000001462000-memory.dmp

memory/1568-458-0x0000000000400000-0x0000000001462000-memory.dmp

memory/1568-459-0x0000000001470000-0x0000000004177000-memory.dmp

memory/1568-460-0x0000000000400000-0x0000000001462000-memory.dmp

memory/1568-461-0x0000000000400000-0x0000000001462000-memory.dmp

memory/1568-462-0x0000000000400000-0x0000000001462000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-23 02:02

Reported

2024-10-23 02:05

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\Trnregimenternes\totalsanerende.Obs202 C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe

"C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe"

C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe

"C:\Users\Admin\AppData\Local\Temp\feaabdf9165e508294f7006308b85802672ee6d7fac58ce4b3c92f6cb63334cc.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1500 -ip 1500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 204

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 drive.google.com udp
GB 172.217.16.238:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
US 8.8.8.8:53 238.16.217.172.in-addr.arpa udp
US 8.8.8.8:53 3.178.250.142.in-addr.arpa udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.178.3:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 216.58.201.97:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 97.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp

Files

C:\Users\Admin\Music\incinerations.lnk

MD5 3805618733d7cfc0b840cf815eb50834
SHA1 eb908b46b0d84bfc8cc095c916ef2c8a8030cf6e
SHA256 0b4385e525c4edf916a059e57f1acc8172850ab2dcb00adab762d9027153d143
SHA512 04d80b55d520c92973598e7a0c14ad3e60e11551f185ca8f3e040dbe353cedd3a70079090b89888696e833853f7d2be31a25477324795a51235e8a269a6bd7d6

C:\Users\Admin\AppData\Local\Temp\nsz923E.tmp\System.dll

MD5 cf85183b87314359488b850f9e97a698
SHA1 6b6c790037eec7ebea4d05590359cb4473f19aea
SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
SHA512 fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

memory/3012-429-0x00000000038D0000-0x00000000065D7000-memory.dmp

memory/3012-430-0x00000000038D0000-0x00000000065D7000-memory.dmp

memory/3012-431-0x0000000077AC1000-0x0000000077BE1000-memory.dmp

memory/3012-432-0x0000000010004000-0x0000000010005000-memory.dmp

memory/3012-434-0x00000000038D0000-0x00000000065D7000-memory.dmp

memory/1500-433-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1500-435-0x0000000001660000-0x0000000004367000-memory.dmp

memory/1500-439-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1500-449-0x0000000001660000-0x0000000004367000-memory.dmp

memory/1500-450-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1500-451-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1500-452-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1500-453-0x0000000000400000-0x0000000001654000-memory.dmp

memory/1500-454-0x0000000001660000-0x0000000004367000-memory.dmp