Resubmissions
03-09-2021 12:16
210903-pfn3ysdac4 1003-09-2021 04:55
210903-fj6mqsfbfk 1002-09-2021 19:23
210902-x37sksbef5 1002-09-2021 15:02
210902-senycadeck 1002-09-2021 11:29
210902-4b2x2c3ahj 1002-09-2021 05:46
210902-lng5vcn31n 1002-09-2021 04:57
210902-gp7zs88ann 1001-09-2021 17:32
210901-sgcvvtysvs 1031-08-2021 12:57
210831-1v8aywj16x 1031-08-2021 07:34
210831-n7h9w45r3x 10General
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Target
Setup.exe
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Size
631KB
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Sample
210902-4b2x2c3ahj
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MD5
cb927513ff8ebff4dd52a47f7e42f934
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SHA1
0de47c02a8adc4940a6c18621b4e4a619641d029
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SHA256
fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f
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SHA512
988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c
Static task
static1
Behavioral task
behavioral1
Sample
Setup.exe
Resource
win11
Behavioral task
behavioral2
Sample
Setup.exe
Resource
win10-jp
Behavioral task
behavioral3
Sample
Setup.exe
Resource
win10-fr
Malware Config
Extracted
redline
NORMAN3
45.14.49.184:28743
Extracted
redline
test
45.14.49.169:22411
Extracted
redline
22_8_big
185.215.113.104:18754
Extracted
vidar
40.3
937
https://lenko349.tumblr.com/
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profile_id
937
Extracted
raccoon
d02c5d65069fc7ce1993e7c52edf0c9c4c195c81
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url4cnc
https://telete.in/open3entershift
Extracted
redline
1
37.0.8.88:44263
Targets
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Target
Setup.exe
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Size
631KB
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MD5
cb927513ff8ebff4dd52a47f7e42f934
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SHA1
0de47c02a8adc4940a6c18621b4e4a619641d029
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SHA256
fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f
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SHA512
988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c
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Modifies system executable filetype association
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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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Registers COM server for autorun
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Suspicious use of NtCreateProcessExOtherParentProcess
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Suspicious use of NtCreateUserProcessOtherParentProcess
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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Downloads MZ/PE file
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Executes dropped EXE
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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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Drops startup file
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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 Enterprise v6
Persistence
Change Default File Association
1Modify Existing Service
1Registry Run Keys / Startup Folder
2Scheduled Task
1Defense Evasion
Disabling Security Tools
1Install Root Certificate
1Modify Registry
5Virtualization/Sandbox Evasion
1Web Service
1