General
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Target
df67a6c93a029554918abe7efc7eaad353a186659f1d994eb7f8e4247ac928e8
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Size
4.6MB
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Sample
220314-axlltsbbb8
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MD5
7b98fa32ed952675060af1dd15cc2175
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SHA1
6e4d21b15b73d830035676662044f79fa6276d45
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SHA256
df67a6c93a029554918abe7efc7eaad353a186659f1d994eb7f8e4247ac928e8
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SHA512
7ed4b9cc49c4c93b7bb7ce5f42f38244aec4d7a5820cbea2990fde4cf29e0a71a236338186c0a14d3950109c9975c2e71f4014e0833b2d1073508c9f54b4e8f3
Static task
static1
Behavioral task
behavioral1
Sample
df67a6c93a029554918abe7efc7eaad353a186659f1d994eb7f8e4247ac928e8.exe
Resource
win7-20220310-en
Behavioral task
behavioral2
Sample
df67a6c93a029554918abe7efc7eaad353a186659f1d994eb7f8e4247ac928e8.exe
Resource
win10v2004-en-20220113
Malware Config
Extracted
djvu
http://fuyt.org/test3/get.php
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extension
.xcbg
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offline_id
y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
redline
@ywqmre
185.215.113.24:15994
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auth_value
5a482aa0be2b5e01649fe7a3ce943422
Extracted
redline
ruzki000
86.107.197.196:63065
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auth_value
80fac7f67bd38aa709bbeef7a44ccb47
Extracted
smokeloader
2020
http://ppcspb.com/upload/
http://mebbing.com/upload/
http://twcamel.com/upload/
http://howdycash.com/upload/
http://lahuertasonora.com/upload/
http://kpotiques.com/upload/
Extracted
vidar
39.4
706
https://sergeevih43.tumblr.com/
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profile_id
706
Extracted
tofsee
patmushta.info
ovicrush.cn
Extracted
redline
ServAni
87.251.71.195:82
Extracted
redline
Installs
94.23.1.92:12857
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auth_value
c8e146507a5c0004dfcc77a7c5f15bc2
Extracted
redline
ruz876
185.215.113.7:5186
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auth_value
4750f6742a496bbe74a981d51e7680ad
Extracted
redline
ruzki12_03
176.122.23.55:11768
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auth_value
c51ddc8008e8581a01cec6e8291c5530
Extracted
redline
pizzadlyashekera
65.108.101.231:14648
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auth_value
7d6b3cb15fc835e113d8c22bd7cfe2b4
Targets
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Target
df67a6c93a029554918abe7efc7eaad353a186659f1d994eb7f8e4247ac928e8
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Size
4.6MB
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MD5
7b98fa32ed952675060af1dd15cc2175
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SHA1
6e4d21b15b73d830035676662044f79fa6276d45
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SHA256
df67a6c93a029554918abe7efc7eaad353a186659f1d994eb7f8e4247ac928e8
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SHA512
7ed4b9cc49c4c93b7bb7ce5f42f38244aec4d7a5820cbea2990fde4cf29e0a71a236338186c0a14d3950109c9975c2e71f4014e0833b2d1073508c9f54b4e8f3
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Detected Djvu ransomware
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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OnlyLogger Payload
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Vidar Stealer
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Blocklisted process makes network request
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Creates new service(s)
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Downloads MZ/PE file
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Executes dropped EXE
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
2New Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Modify Registry
4Disabling Security Tools
1Virtualization/Sandbox Evasion
1Install Root Certificate
1