Malware Analysis Report

2025-03-15 05:13

Sample ID 231211-dxa2wabfhl
Target ac026bee297cb9c7852863cb13154b84.exe
SHA256 eb8fdac6122db3911fb94887b8b56997a7eace7e65158d681906f194bfe3979d
Tags
smokeloader redline livetraffic backdoor infostealer trojan
score
10/10

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
10/10

SHA256

eb8fdac6122db3911fb94887b8b56997a7eace7e65158d681906f194bfe3979d

Threat Level: Known bad

The file ac026bee297cb9c7852863cb13154b84.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader redline livetraffic backdoor infostealer trojan

RedLine payload

SmokeLoader

Smokeloader family

RedLine

Downloads MZ/PE file

Deletes itself

Executes dropped EXE

Unsigned PE

Uses Task Scheduler COM API

Suspicious use of FindShellTrayWindow

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-11 03:22

Signatures

Smokeloader family

smokeloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-11 03:22

Reported

2023-12-11 03:25

Platform

win7-20231129-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe"

Signatures

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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SmokeLoader

trojan backdoor smokeloader

Downloads MZ/PE file

Deletes itself

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6133.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A N/A N/A
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Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A N/A N/A
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Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1384 wrote to memory of 2936 N/A N/A C:\Users\Admin\AppData\Local\Temp\6133.exe
PID 1384 wrote to memory of 2936 N/A N/A C:\Users\Admin\AppData\Local\Temp\6133.exe
PID 1384 wrote to memory of 2936 N/A N/A C:\Users\Admin\AppData\Local\Temp\6133.exe
PID 1384 wrote to memory of 2936 N/A N/A C:\Users\Admin\AppData\Local\Temp\6133.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe

"C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe"

C:\Users\Admin\AppData\Local\Temp\6133.exe

C:\Users\Admin\AppData\Local\Temp\6133.exe

Network

Country Destination Domain Proto
RU 81.19.131.34:80 81.19.131.34 tcp
RU 185.172.128.19:80 185.172.128.19 tcp
RU 77.105.132.87:6731 tcp

Files

memory/2888-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2888-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1384-1-0x0000000002E80000-0x0000000002E96000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\6133.exe

MD5 f88edad62a7789c2c5d8047133da5fa7
SHA1 41b1f056cdda764a1c7c402c6fa4f8ab2f3ce5f9
SHA256 eb2b1ce5574096b91eb9e0482117d2518ab188c0747a209dc77e88d30bb970dc
SHA512 e2d5b0ace5dfd3bd2321b2a42b7e7725071ca440389dc5ef12720a34727ae84c2907cd7befeae5d53568d9deaee8443f4cbda44b598cfc9b6316d9389be09a60

memory/2936-12-0x00000000000F0000-0x000000000012C000-memory.dmp

memory/2936-17-0x0000000074700000-0x0000000074DEE000-memory.dmp

memory/2936-18-0x00000000075E0000-0x0000000007620000-memory.dmp

memory/2936-20-0x0000000074700000-0x0000000074DEE000-memory.dmp

memory/2936-21-0x00000000075E0000-0x0000000007620000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-11 03:22

Reported

2023-12-11 03:25

Platform

win10v2004-20231130-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe"

Signatures

RedLine

infostealer redline

RedLine payload

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

SmokeLoader

trojan backdoor smokeloader

Downloads MZ/PE file

Deletes itself

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\A7D9.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3276 wrote to memory of 1080 N/A N/A C:\Users\Admin\AppData\Local\Temp\A7D9.exe
PID 3276 wrote to memory of 1080 N/A N/A C:\Users\Admin\AppData\Local\Temp\A7D9.exe
PID 3276 wrote to memory of 1080 N/A N/A C:\Users\Admin\AppData\Local\Temp\A7D9.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe

"C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe"

C:\Users\Admin\AppData\Local\Temp\A7D9.exe

C:\Users\Admin\AppData\Local\Temp\A7D9.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
RU 81.19.131.34:80 81.19.131.34 tcp
US 8.8.8.8:53 34.131.19.81.in-addr.arpa udp
RU 185.172.128.19:80 185.172.128.19 tcp
US 8.8.8.8:53 19.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
RU 77.105.132.87:6731 tcp
US 8.8.8.8:53 87.132.105.77.in-addr.arpa udp

Files

memory/4900-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/3276-1-0x0000000002FD0000-0x0000000002FE6000-memory.dmp

memory/4900-2-0x0000000000400000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\A7D9.exe

MD5 9a957e739edac052e617e67c8e68aa40
SHA1 ecd030f83acca28dae9ec0567839db4e3d5cac1e
SHA256 611614199c1c92a88b8ab0de739b40a6d97c88112b70251c3d10a0db356c0d1d
SHA512 120a71efb0671e2fe309a23065119cb30ca1d79d1b36c6acf383e9afe7fffe0853968154b92c41ce1e98257777de2ad46ff5a8589394401e2bd5fdca4257418a

C:\Users\Admin\AppData\Local\Temp\A7D9.exe

MD5 2432bbe7a924948d214c5d8ad95318fa
SHA1 ef18da9b0892eef066c87458d87791ff019c9607
SHA256 d5d498a38882f22374b9f1c404765a57caac64edc1cd61e9b4ab3c27aaf87621
SHA512 6399cfa12975c297edc2064097adbe9520fbffa10421c922c7d98c577aef0916953ba917db4272ad214837300eccd75881eeddc9b1c75eb15f2f42372e1007c7

memory/1080-12-0x0000000000F50000-0x0000000000F8C000-memory.dmp

memory/1080-17-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/1080-18-0x00000000080C0000-0x0000000008664000-memory.dmp

memory/1080-19-0x0000000007BF0000-0x0000000007C82000-memory.dmp

memory/1080-20-0x0000000007E80000-0x0000000007E90000-memory.dmp

memory/1080-21-0x0000000005190000-0x000000000519A000-memory.dmp

memory/1080-23-0x0000000009090000-0x00000000096A8000-memory.dmp

memory/1080-24-0x000000000AA20000-0x000000000AB2A000-memory.dmp

memory/1080-25-0x0000000009020000-0x0000000009032000-memory.dmp

memory/1080-26-0x000000000A910000-0x000000000A94C000-memory.dmp

memory/1080-27-0x000000000A950000-0x000000000A99C000-memory.dmp

memory/1080-28-0x000000000B5E0000-0x000000000B646000-memory.dmp

memory/1080-29-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/1080-30-0x0000000007E80000-0x0000000007E90000-memory.dmp