Malware Analysis Report

2025-03-15 05:13

Sample ID 231211-hysersgbdp
Target 4uZ060Ph.exe
SHA256 ad5c98936429f847e6808a4efdb80faf452a5c5c31d91f9f7de2560e51478701
Tags
smokeloader redline livetraffic backdoor discovery infostealer spyware stealer 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

ad5c98936429f847e6808a4efdb80faf452a5c5c31d91f9f7de2560e51478701

Threat Level: Known bad

The file 4uZ060Ph.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader redline livetraffic backdoor discovery infostealer spyware stealer trojan

Smokeloader family

SmokeLoader

RedLine

RedLine payload

Downloads MZ/PE file

Executes dropped EXE

Reads user/profile data of web browsers

Deletes itself

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Unsigned PE

Suspicious use of UnmapMainImage

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-11 07:09

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 07:09

Reported

2023-12-11 07:11

Platform

win7-20231130-en

Max time kernel

149s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.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
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Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ADC.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\ihhisda N/A

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Roaming\ihhisda N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Roaming\ihhisda N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Roaming\ihhisda N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\ihhisda 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
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5ADC.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
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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 1364 wrote to memory of 2540 N/A N/A C:\Users\Admin\AppData\Local\Temp\5ADC.exe
PID 1364 wrote to memory of 2540 N/A N/A C:\Users\Admin\AppData\Local\Temp\5ADC.exe
PID 1364 wrote to memory of 2540 N/A N/A C:\Users\Admin\AppData\Local\Temp\5ADC.exe
PID 1364 wrote to memory of 2540 N/A N/A C:\Users\Admin\AppData\Local\Temp\5ADC.exe
PID 848 wrote to memory of 1860 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\ihhisda
PID 848 wrote to memory of 1860 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\ihhisda
PID 848 wrote to memory of 1860 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\ihhisda
PID 848 wrote to memory of 1860 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\ihhisda

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe

"C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe"

C:\Users\Admin\AppData\Local\Temp\5ADC.exe

C:\Users\Admin\AppData\Local\Temp\5ADC.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {9C06A4D2-BB51-43E8-BC61-3BB531BA8F40} S-1-5-21-2058106572-1146578376-825901627-1000:LPKQNNGV\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\ihhisda

C:\Users\Admin\AppData\Roaming\ihhisda

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/2376-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1364-1-0x0000000002CF0000-0x0000000002D06000-memory.dmp

memory/2376-2-0x0000000000400000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\5ADC.exe

MD5 f88edad62a7789c2c5d8047133da5fa7
SHA1 41b1f056cdda764a1c7c402c6fa4f8ab2f3ce5f9
SHA256 eb2b1ce5574096b91eb9e0482117d2518ab188c0747a209dc77e88d30bb970dc
SHA512 e2d5b0ace5dfd3bd2321b2a42b7e7725071ca440389dc5ef12720a34727ae84c2907cd7befeae5d53568d9deaee8443f4cbda44b598cfc9b6316d9389be09a60

memory/2540-12-0x00000000000F0000-0x000000000012C000-memory.dmp

memory/2540-17-0x0000000074980000-0x000000007506E000-memory.dmp

memory/2540-18-0x0000000007630000-0x0000000007670000-memory.dmp

memory/2540-20-0x0000000074980000-0x000000007506E000-memory.dmp

memory/2540-21-0x0000000007630000-0x0000000007670000-memory.dmp

memory/1860-24-0x0000000000400000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Roaming\ihhisda

MD5 8837a89b82d0d3b0259cc9f47b2e599b
SHA1 51dd86a6a717a8f1470fff7a65f96c983aa71f09
SHA256 ad5c98936429f847e6808a4efdb80faf452a5c5c31d91f9f7de2560e51478701
SHA512 4a6c660c78bc99916d68978243f1140203a5805a3a7ae7a1749c609bd5aaf06b9ac253c09c0a206acdb832b45bc1ab700a5beb98024131779a45c70b53c7bc71

memory/1860-26-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1364-25-0x0000000003C50000-0x0000000003C66000-memory.dmp

memory/2540-31-0x0000000074980000-0x000000007506E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-11 07:09

Reported

2023-12-11 07:11

Platform

win10v2004-20231127-en

Max time kernel

152s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe"

Signatures

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\61E2.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\jivtsbh 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\4uZ060Ph.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Roaming\jivtsbh N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Roaming\jivtsbh N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Roaming\jivtsbh N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\jivtsbh N/A

Suspicious use of UnmapMainImage

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3312 wrote to memory of 1056 N/A N/A C:\Users\Admin\AppData\Local\Temp\61E2.exe
PID 3312 wrote to memory of 1056 N/A N/A C:\Users\Admin\AppData\Local\Temp\61E2.exe
PID 3312 wrote to memory of 1056 N/A N/A C:\Users\Admin\AppData\Local\Temp\61E2.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe

"C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe"

C:\Users\Admin\AppData\Local\Temp\61E2.exe

C:\Users\Admin\AppData\Local\Temp\61E2.exe

C:\Users\Admin\AppData\Roaming\jivtsbh

C:\Users\Admin\AppData\Roaming\jivtsbh

Network

Country Destination Domain Proto
US 8.8.8.8:53 5.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa 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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/3924-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/3312-1-0x0000000002F90000-0x0000000002FA6000-memory.dmp

memory/3924-3-0x0000000000400000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\61E2.exe

MD5 f88edad62a7789c2c5d8047133da5fa7
SHA1 41b1f056cdda764a1c7c402c6fa4f8ab2f3ce5f9
SHA256 eb2b1ce5574096b91eb9e0482117d2518ab188c0747a209dc77e88d30bb970dc
SHA512 e2d5b0ace5dfd3bd2321b2a42b7e7725071ca440389dc5ef12720a34727ae84c2907cd7befeae5d53568d9deaee8443f4cbda44b598cfc9b6316d9389be09a60

C:\Users\Admin\AppData\Roaming\jivtsbh

MD5 8837a89b82d0d3b0259cc9f47b2e599b
SHA1 51dd86a6a717a8f1470fff7a65f96c983aa71f09
SHA256 ad5c98936429f847e6808a4efdb80faf452a5c5c31d91f9f7de2560e51478701
SHA512 4a6c660c78bc99916d68978243f1140203a5805a3a7ae7a1749c609bd5aaf06b9ac253c09c0a206acdb832b45bc1ab700a5beb98024131779a45c70b53c7bc71

memory/3312-14-0x0000000002D90000-0x0000000002DA6000-memory.dmp

memory/1644-17-0x0000000000400000-0x000000000040B000-memory.dmp