General
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Target
5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa
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Size
593KB
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Sample
220319-n3emcshce2
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MD5
c43fe8c5ca00ddf821a56b2b6ccc8584
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SHA1
dc0424cf138ae4cd0d6c52d684fb1df3bd5af6f1
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SHA256
5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa
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SHA512
e29ebd1b452c1dae15ebb7b30f8955be74dec4d07c5a0f48dcf190f638a9bba79ca8fc02c9ad413c10af6081621576d3ebd1b4ffda2c9afb1b61a00cc064af86
Static task
static1
Behavioral task
behavioral1
Sample
5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa.exe
Resource
win10v2004-en-20220113
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/926732875158675478/6csAuzJ3Xvb9h9BDk-AfAIf-_0q1Afnq5Q7F4l1ACtT7yl9nQbX784HIUvIz3kDgK3Fk
Extracted
quasar
- encryption_key
- install_name
- log_directory
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reconnect_delay
3000
- startup_key
- subdirectory
Extracted
quasar
2.1.0.0
Ooof test
108.46.243.186:666
127.0.0.1:666
VNM_MUTEX_65QdrIjc0h275Ml7aF
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encryption_key
uIglS4TyzvrzJnsc0TSp
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install_name
$77-Unreal.exe
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log_directory
na
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reconnect_delay
3000
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startup_key
SR-Client
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subdirectory
SubDir
Targets
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Target
5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa
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Size
593KB
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MD5
c43fe8c5ca00ddf821a56b2b6ccc8584
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SHA1
dc0424cf138ae4cd0d6c52d684fb1df3bd5af6f1
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SHA256
5b092b9eae4e57fab721a1e5b5a7cb92afe81fd1cc24d371cfa44c9cb0bb88fa
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SHA512
e29ebd1b452c1dae15ebb7b30f8955be74dec4d07c5a0f48dcf190f638a9bba79ca8fc02c9ad413c10af6081621576d3ebd1b4ffda2c9afb1b61a00cc064af86
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Quasar Payload
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Looks for VirtualBox Guest Additions in registry
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Executes dropped EXE
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Loads dropped DLL
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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MITRE ATT&CK Enterprise v6
Defense Evasion
Disabling Security Tools
2Install Root Certificate
1Modify Registry
3Virtualization/Sandbox Evasion
2Web Service
1