Resubmissions
21/02/2022, 13:18
220221-qj13csacf81021/02/2022, 12:26
220221-pl6j7abbgl421/02/2022, 11:41
220221-ntfs3aaac610Analysis
- max time kernel
1801s - max time network
1800s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
21/02/2022, 13:18
General
- Target DOC022122.exe
- Size 773KB
- Sample220221-qj13csacf8
- SHA256 f80a58564f070acf295b2a76ce6331402b3e9e71eed07cf3e017376e1bdb0f36
Malware Config
Extracted
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formbook
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4.1
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my11
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groovereporter.com
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thechurchofeveryone.com
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pgonline111.online
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blastingsoda.com
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firsthandcares.com
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choicenochoicegame.com
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stephaniesantiago.com
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guiadohomem.space
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nk-tw.com
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lhpcg.com
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plenty.today
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digirick.net
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isuaco.online
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305clorinda.com
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itsmei.xyz
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88y4.com
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roduco.info
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rachelzrileybeauty.com
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evvlink-usa.com
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photoboothique.art
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Drops file in Windows directory 6 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DOC022122.exe"C:\Users\Admin\AppData\Local\Temp\DOC022122.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\logagent.exeC:\Windows\System32\logagent.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\help.exe"C:\Windows\SysWOW64\help.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/540-140-0x000000007249F000-0x00000000724A0000-memory.dmp
memory/540-139-0x0000000002A10000-0x0000000002D5A000-memory.dmp
memory/540-141-0x0000000000EB0000-0x0000000000EC4000-memory.dmp
memory/540-136-0x0000000000A20000-0x0000000000A21000-memory.dmp
memory/540-137-0x0000000072480000-0x00000000724AF000-memory.dmp
memory/964-144-0x0000000000400000-0x000000000042F000-memory.dmp
memory/964-143-0x0000000000120000-0x0000000000127000-memory.dmp
memory/964-145-0x0000000000AE0000-0x0000000000E2A000-memory.dmp
memory/964-147-0x0000000000950000-0x00000000009E3000-memory.dmp
memory/2488-148-0x0000000008630000-0x000000000873A000-memory.dmp
memory/2488-142-0x0000000002CC0000-0x0000000002E30000-memory.dmp
memory/3660-130-0x0000000000990000-0x0000000000991000-memory.dmp
memory/3760-134-0x000002962E0F0000-0x000002962E0F4000-memory.dmp
memory/3760-133-0x000002962BA20000-0x000002962BA30000-memory.dmp
memory/3760-132-0x000002962B370000-0x000002962B380000-memory.dmp
memory/3760-154-0x000002962E110000-0x000002962E114000-memory.dmp
memory/3760-155-0x000002962E050000-0x000002962E051000-memory.dmp
memory/3760-157-0x000002962E010000-0x000002962E011000-memory.dmp