General
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Target
21f0dd6e4dc5b1ecb0ec6b266ba875702d5fea13a0066c188a566f89d0ccb233
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Size
3.8MB
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Sample
220222-nw7dssgde8
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MD5
01d0755ff4f1504feee216aff83a4665
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SHA1
b0adb3f973ecf492bfe98d6e1c90319b93c22e63
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SHA256
21f0dd6e4dc5b1ecb0ec6b266ba875702d5fea13a0066c188a566f89d0ccb233
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SHA512
d7c740b781c8778db87440b2c1ec39d730a42b0d73e37a5eb2a9717ff4e692a2199df20714d06aa479c6d79e9c4fbb7dffb1d6546c070285d51fdd993e52bdba
Static task
static1
Behavioral task
behavioral1
Sample
21f0dd6e4dc5b1ecb0ec6b266ba875702d5fea13a0066c188a566f89d0ccb233.exe
Resource
win7-en-20211208
Malware Config
Extracted
vidar
39.4
933
https://sergeevih43.tumblr.com/
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profile_id
933
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Extracted
redline
Cana
176.111.174.254:56328
Extracted
redline
Ani
detuyaluro.xyz:80
Extracted
tofsee
patmushta.info
ovicrush.cn
Targets
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Target
21f0dd6e4dc5b1ecb0ec6b266ba875702d5fea13a0066c188a566f89d0ccb233
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Size
3.8MB
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MD5
01d0755ff4f1504feee216aff83a4665
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SHA1
b0adb3f973ecf492bfe98d6e1c90319b93c22e63
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SHA256
21f0dd6e4dc5b1ecb0ec6b266ba875702d5fea13a0066c188a566f89d0ccb233
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SHA512
d7c740b781c8778db87440b2c1ec39d730a42b0d73e37a5eb2a9717ff4e692a2199df20714d06aa479c6d79e9c4fbb7dffb1d6546c070285d51fdd993e52bdba
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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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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Suspicious use of NtCreateProcessExOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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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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Sets service image path in registry
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Adds Run key to start application
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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
2Scheduled Task
1Defense Evasion
Modify Registry
4Disabling Security Tools
1Virtualization/Sandbox Evasion
2Install Root Certificate
1