Malware Analysis Report

2024-11-13 14:08

Sample ID 240226-3yzt3abd96
Target 636c32103ef487d1c30df530296f014b.exe
SHA256 c79f0b410c62adbad0d697c85f0f6cf786c61e1a1244090650440d8a09b90bbd
Tags
smokeloader backdoor trojan lumma stealer
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

c79f0b410c62adbad0d697c85f0f6cf786c61e1a1244090650440d8a09b90bbd

Threat Level: Known bad

The file 636c32103ef487d1c30df530296f014b.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan lumma stealer

Lumma Stealer

SmokeLoader

Executes dropped EXE

Deletes itself

Unsigned PE

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-26 23:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-26 23:56

Reported

2024-02-26 23:58

Platform

win7-20240221-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A 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\636c32103ef487d1c30df530296f014b.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe

"C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 selebration17io.io udp
RU 91.215.85.120:80 selebration17io.io tcp

Files

memory/348-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

memory/348-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

memory/348-3-0x0000000000400000-0x00000000022D1000-memory.dmp

memory/1208-4-0x0000000002240000-0x0000000002256000-memory.dmp

memory/348-5-0x0000000000400000-0x00000000022D1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-26 23:56

Reported

2024-02-26 23:58

Platform

win10v2004-20240226-en

Max time kernel

152s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe"

Signatures

Lumma Stealer

stealer lumma

SmokeLoader

trojan backdoor smokeloader

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\EAA9.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\636c32103ef487d1c30df530296f014b.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3316 wrote to memory of 3248 N/A N/A C:\Users\Admin\AppData\Local\Temp\EAA9.exe
PID 3316 wrote to memory of 3248 N/A N/A C:\Users\Admin\AppData\Local\Temp\EAA9.exe
PID 3316 wrote to memory of 3248 N/A N/A C:\Users\Admin\AppData\Local\Temp\EAA9.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe

"C:\Users\Admin\AppData\Local\Temp\636c32103ef487d1c30df530296f014b.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4128 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:8

C:\Users\Admin\AppData\Local\Temp\EAA9.exe

C:\Users\Admin\AppData\Local\Temp\EAA9.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 selebration17io.io udp
RU 91.215.85.120:80 selebration17io.io tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 120.85.215.91.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 resergvearyinitiani.shop udp
US 172.67.217.100:443 resergvearyinitiani.shop tcp
US 8.8.8.8:53 technologyenterdo.shop udp
US 172.67.180.132:443 technologyenterdo.shop tcp
US 8.8.8.8:53 lighterepisodeheighte.fun udp
US 8.8.8.8:53 problemregardybuiwo.fun udp
US 8.8.8.8:53 detectordiscusser.shop udp
US 8.8.8.8:53 100.217.67.172.in-addr.arpa udp
US 8.8.8.8:53 132.180.67.172.in-addr.arpa udp
US 172.67.195.126:443 detectordiscusser.shop tcp
US 8.8.8.8:53 126.195.67.172.in-addr.arpa udp
US 8.8.8.8:53 edurestunningcrackyow.fun udp
US 8.8.8.8:53 pooreveningfuseor.pw udp
US 8.8.8.8:53 turkeyunlikelyofw.shop udp
US 104.21.76.253:443 turkeyunlikelyofw.shop tcp
US 8.8.8.8:53 253.76.21.104.in-addr.arpa udp
US 8.8.8.8:53 associationokeo.shop udp
US 172.67.147.18:443 associationokeo.shop tcp
US 8.8.8.8:53 18.147.67.172.in-addr.arpa udp

Files

memory/4864-1-0x00000000024E0000-0x00000000025E0000-memory.dmp

memory/4864-2-0x0000000002480000-0x000000000248B000-memory.dmp

memory/4864-3-0x0000000000400000-0x00000000022D1000-memory.dmp

memory/3316-4-0x0000000002840000-0x0000000002856000-memory.dmp

memory/4864-6-0x0000000000400000-0x00000000022D1000-memory.dmp

memory/4864-8-0x0000000002480000-0x000000000248B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\EAA9.exe

MD5 8bf81aa03a788ed190e0e607425d0329
SHA1 be7ebc1dce27f2579ed86715dfa1783937d5b671
SHA256 655f549e5bf785a06fcd9d20531f00fa3253f1049b4cd2a119ae67974d2cac37
SHA512 e1af6ad59a121db2a3b5a2632cb402fa6a1e47f8e6bdb479e70f5085c4ac181fc724146a5fe09796f82f584e25183f793b19a0cb6fdfedb213ca3d7d67b9af54

C:\Users\Admin\AppData\Local\Temp\EAA9.exe

MD5 6e77de23d0dcb595423561ce9d804999
SHA1 c0fe23308f2e2601619d499c3c7674ab1728e460
SHA256 d67c5846be34108443e5fd796c3597a748a7f5c1300122023d5a3f614f225df6
SHA512 7e9a0d97c06e41f5b04b781068f893adc80ed6915dc8f3783ebe562c1e8e600116813023ce01704c08f3276bcaf60b5de1a78153ad0b589a85e74f5df796096e

memory/3248-16-0x0000000000790000-0x0000000000791000-memory.dmp

memory/3248-17-0x00000000009B0000-0x000000000125F000-memory.dmp

memory/3248-18-0x00000000009B0000-0x000000000125F000-memory.dmp

memory/3248-20-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/3248-23-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/3248-22-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/3248-24-0x00000000007A0000-0x00000000007D2000-memory.dmp

memory/3248-21-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/3248-25-0x00000000009B0000-0x000000000125F000-memory.dmp