Analysis
- max time kernel
56s - max time network
151s - platform
windows10_x64 - resource
win10 - submitted
03/10/2020, 11:09
General
- Target 37b264ce06985329b256ea4a65512223.exe
- Size 443KB
- Sample201003-jd6tm9m2tj
- SHA256 53b1b0901a021e01a040e4ff3e81136781dce64bc9313e4480992fe8e9b2c8bb
Malware Config
Extracted
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formbook
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http://www.iskovlay.com/kbc/
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fsilvaenterprise.com
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wqjxy.com
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pegg.ltd
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tt9159.com
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51tuimi.com
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artofvar.com
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theeasygrowkit.com
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jimanwendy.com
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rpgremodeling.com
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iamandyna.com
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xm620.com
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barbaragoodi.com
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irmgard-drey.com
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murshad.net
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connectinglifes.com
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jwxzeqs.com
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aftecapital.com
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vcsventures.net
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formula-cloud.ltd
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daymanlove.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\37b264ce06985329b256ea4a65512223.exe"C:\Users\Admin\AppData\Local\Temp\37b264ce06985329b256ea4a65512223.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\37b264ce06985329b256ea4a65512223.exe"C:\Users\Admin\AppData\Local\Temp\37b264ce06985329b256ea4a65512223.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2164-12-0x0000000000400000-0x000000000042D000-memory.dmp
memory/3544-7-0x0000000004E00000-0x0000000004E01000-memory.dmp
memory/3544-4-0x00000000051A0000-0x00000000051A1000-memory.dmp
memory/3544-5-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
memory/3544-6-0x0000000004B50000-0x0000000004B51000-memory.dmp
memory/3544-0-0x0000000073A30000-0x000000007411E000-memory.dmp
memory/3544-8-0x0000000004BE0000-0x0000000004BE3000-memory.dmp
memory/3544-9-0x0000000005A80000-0x0000000005AE7000-memory.dmp
memory/3544-10-0x0000000005810000-0x000000000584E000-memory.dmp
memory/3544-11-0x0000000005BA0000-0x0000000005BA1000-memory.dmp
memory/3544-3-0x0000000004C00000-0x0000000004C01000-memory.dmp
memory/3544-1-0x00000000002D0000-0x00000000002D1000-memory.dmp