Malware Analysis Report

2024-11-30 19:30

Sample ID 240927-ceernszbjp
Target Ambrosial.exe
SHA256 6ff53b8187d0d3e287ad9ce3da20eca4f9dd105a2e3421ca1ad73b533ec4b91a
Tags
agilenet
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

6ff53b8187d0d3e287ad9ce3da20eca4f9dd105a2e3421ca1ad73b533ec4b91a

Threat Level: Shows suspicious behavior

The file Ambrosial.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

agilenet

Obfuscated with Agile.Net obfuscator

Legitimate hosting services abused for malware hosting/C2

Drops file in Windows directory

Unsigned PE

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-27 01:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-27 01:59

Reported

2024-09-27 02:01

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

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

Signatures

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Fonts\Azonix.otf C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe N/A
File opened for modification C:\Windows\Fonts\Azonix.otf C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2428 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe C:\Windows\system32\WerFault.exe
PID 2428 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe C:\Windows\system32\WerFault.exe
PID 2428 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2428 -s 592

Network

N/A

Files

memory/2428-0-0x000007FEF5703000-0x000007FEF5704000-memory.dmp

memory/2428-1-0x0000000000E20000-0x0000000001E0A000-memory.dmp

memory/2428-3-0x00000000005E0000-0x00000000005FA000-memory.dmp

memory/2428-2-0x00000000005C0000-0x00000000005DC000-memory.dmp

memory/2428-4-0x000007FEF5700000-0x000007FEF60EC000-memory.dmp

C:\Windows\Fonts\Azonix.otf

MD5 cdfe47b31e9184a55cf02eef1baf7240
SHA1 b8825c605434d572f5277be0283d5a9b2cde59e4
SHA256 51a65e5c09bf27980adf640cb54cb2a5bbb217fdaab79b377e158f92533362a9
SHA512 a2e5141c0f7ca72bcf5b1a303fce1734953d83ad363d4c3c7d8786e1bfd872a6b96eeabce3740b547a5447e255415cdf688a0d2074cecfaa0c54c49d0f2882c5

memory/2428-11-0x000007FEF5703000-0x000007FEF5704000-memory.dmp

memory/2428-12-0x000007FEF5700000-0x000007FEF60EC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-27 01:59

Reported

2024-09-27 01:59

Platform

win10v2004-20240802-en

Max time kernel

10s

Max time network

12s

Command Line

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

Signatures

Obfuscated with Agile.Net obfuscator

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Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Fonts\Azonix.otf C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe N/A
File opened for modification C:\Windows\Fonts\Azonix.otf C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe N/A
File created C:\Windows\Fonts\OpenSansLight.ttf C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 C:\Windows\system32\taskmgr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName C:\Windows\system32\taskmgr.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\taskmgr.exe N/A

Processes

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

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

C:\Windows\system32\taskmgr.exe

"C:\Windows\system32\taskmgr.exe" /7

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
US 8.8.8.8:53 cdn.discordapp.com udp
US 162.159.135.233:443 cdn.discordapp.com tcp
US 8.8.8.8:53 picsum.photos udp
US 104.26.5.30:443 picsum.photos tcp
US 8.8.8.8:53 133.108.199.185.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 233.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 fastly.picsum.photos udp
US 151.101.129.91:443 fastly.picsum.photos tcp
US 8.8.8.8:53 30.5.26.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 91.129.101.151.in-addr.arpa udp

Files

memory/3844-0-0x00007FF8F2953000-0x00007FF8F2955000-memory.dmp

memory/3844-1-0x000001203A950000-0x000001203B93A000-memory.dmp

memory/3844-2-0x000001203BCE0000-0x000001203BCFC000-memory.dmp

memory/3844-3-0x000001203D4E0000-0x000001203D4FA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Azonix.otf

MD5 cdfe47b31e9184a55cf02eef1baf7240
SHA1 b8825c605434d572f5277be0283d5a9b2cde59e4
SHA256 51a65e5c09bf27980adf640cb54cb2a5bbb217fdaab79b377e158f92533362a9
SHA512 a2e5141c0f7ca72bcf5b1a303fce1734953d83ad363d4c3c7d8786e1bfd872a6b96eeabce3740b547a5447e255415cdf688a0d2074cecfaa0c54c49d0f2882c5

memory/3844-20-0x00007FF8F2950000-0x00007FF8F3411000-memory.dmp

C:\Windows\Fonts\OpenSansLight.ttf

MD5 1bf71be111189e76987a4bb9b3115cb7
SHA1 40442c189568184b6e6c27a25d69f14d91b65039
SHA256 cf5f5184c1441a1660aa52526328e9d5c2793e77b6d8d3a3ad654bdb07ab8424
SHA512 cb18b69e98a194af5e3e3d982a75254f3a20bd94c68816a15f38870b9be616cef0c32033f253219cca9146b2b419dd6df28cc4ceeff80d01f400aa0ed101e061

memory/3844-27-0x00000120563E0000-0x0000012056490000-memory.dmp

memory/3844-34-0x0000012055E00000-0x0000012055E22000-memory.dmp

C:\Users\Admin\AppData\Local\Ambrosial\log.txt

MD5 f905d4c09d7c49751233c86fde179603
SHA1 882bcbaeeacbee68dfbeab456ed98d15d94a56ee
SHA256 82291c1fa983603f9348b2c30b1ec133a99924a9f97a95066f10367091168575
SHA512 9162c40b453204b4f46e989881067399727db4600a700b34e6ddbf02c31fa0f824c381e8a64224261fec28416c32645398c65dfb8e02d1db7a4f8d387bb23cf3

memory/3844-220-0x00007FF8F2953000-0x00007FF8F2955000-memory.dmp

memory/3800-263-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3800-262-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3800-260-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3800-272-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3800-273-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3800-267-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3844-274-0x0000012056C00000-0x0000012056DE8000-memory.dmp

memory/3800-271-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3800-270-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3800-269-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

memory/3800-268-0x000001D0FA530000-0x000001D0FA531000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\0e1a63fc-9228-4b4f-96fc-fee060f96e92\GunaDotNetRT64.dll

MD5 9c43f77cb7cff27cb47ed67babe3eda5
SHA1 b0400cf68249369d21de86bd26bb84ccffd47c43
SHA256 f25b9288fe370dcfcb4823fb4e44ab88c7f5fce6e137d0dba389a3dba07d621e
SHA512 cde6fb6cf8db6f9746e69e6c10214e60b3646700d70b49668a2a792e309714dd2d4c5a5241977a833a95fcde8318abcc89eb9968a5039a0b75726bbfa27125a7

memory/3844-293-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-283-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-281-0x00007FF901B90000-0x00007FF901CDE000-memory.dmp

memory/3844-295-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-315-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-311-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-297-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-292-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-289-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-287-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-285-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-282-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-299-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-323-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-333-0x00007FF8EB7A0000-0x00007FF8EB7C7000-memory.dmp

memory/3844-335-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-331-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-332-0x00007FF8F2950000-0x00007FF8F3411000-memory.dmp

memory/3844-329-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-327-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-325-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-321-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-320-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-317-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-313-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-309-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-307-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-305-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-303-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-301-0x0000012056C00000-0x0000012056DE4000-memory.dmp

memory/3844-3462-0x00007FF8EB7A0000-0x00007FF8EB7C7000-memory.dmp