Analysis
- max time kernel
59s - max time network
115s - platform
windows10_x64 - resource
win10v20201028 - submitted
26/01/2021, 06:23
General
- Target f36d70635deceb5f5bcaae2227834aa1.exe
- Size 1.1MB
- Sample210126-mbmj3cd5be
- SHA256 44d7d2e8192f940c7c739e654cfd560b294b20d97f983c250bc66b7bdbc4ac20
Malware Config
Extracted
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formbook
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http://www.ideasdelvino.com/z9n/
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garcical.com
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hymingfeng.com
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alexandersbodyarts.store
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theovertimegrill.com
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iorton.com
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newlife.asia
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studiopeer.com
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thesunsite.com
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youbabyskudai.com
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szzenno.com
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williedictionary.com
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bhoomitravels.com
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entrerev.com
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securepaypalverification.info
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zingarmy.com
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laquintalongviewnorth.com
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globiideas.com
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asiaaccord.com
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dopegamempire.com
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myweiku.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of SetThreadContext 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f36d70635deceb5f5bcaae2227834aa1.exe"C:\Users\Admin\AppData\Local\Temp\f36d70635deceb5f5bcaae2227834aa1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NbAfCJXCA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp14C1.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\f36d70635deceb5f5bcaae2227834aa1.exe"C:\Users\Admin\AppData\Local\Temp\f36d70635deceb5f5bcaae2227834aa1.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1880-17-0x0000000001340000-0x0000000001660000-memory.dmp
memory/1880-14-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4648-6-0x0000000005210000-0x0000000005211000-memory.dmp
memory/4648-9-0x0000000005140000-0x0000000005141000-memory.dmp
memory/4648-10-0x0000000002BC0000-0x0000000002BE3000-memory.dmp
memory/4648-11-0x0000000008F50000-0x0000000008FB2000-memory.dmp
memory/4648-8-0x0000000005100000-0x0000000005101000-memory.dmp
memory/4648-7-0x00000000052B0000-0x00000000052B1000-memory.dmp
memory/4648-2-0x0000000073E30000-0x000000007451E000-memory.dmp
memory/4648-5-0x0000000005670000-0x0000000005671000-memory.dmp
memory/4648-3-0x00000000007C0000-0x00000000007C1000-memory.dmp