Analysis
- max time kernel
150s - max time network
150s - platform
windows10_x64 - resource
win10 - submitted
14/08/2020, 14:58
General
- Target Shipping Documents.exe
- Size 453KB
- Sample200814-99c4927zbn
- SHA256 f9fa0a06495f261c09ee9f5cd1f3e32ed8d05e6cc65ed223adb4bf6c02cc90dd
Malware Config
Extracted
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formbook
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http://www.mansiobok3.info/xwqs/
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miracledynamic.win
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farshadzandi.com
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cruisesociety.site
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alluredecorate.com
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topseptictanks.net
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goodguysblogblack.com
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xn--80aaexkk3ad8c.com
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manbet22.net
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ristohotelcastellani.com
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vesinhvinhlong.com
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fashion-phoenix.com
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iferrara.expert
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sellyourart.gallery
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hayatmag.info
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serafimasflowersparadise.com
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4p1o3a.biz
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maidonline.net
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kuntaijinrong.com
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makethebreastpumpnotsuck.com
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europeansmartcapital.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 4 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 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Program Files directory 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 33 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"2⤵
- 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\bCiURHcXsl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDA9.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- 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 del "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"3⤵
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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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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1868-26-0x00007FF610330000-0x00007FF6103C3000-memory.dmp
memory/1868-25-0x00007FF610330000-0x00007FF6103C3000-memory.dmp
memory/1868-24-0x00007FF610330000-0x00007FF6103C3000-memory.dmp
memory/2388-13-0x0000000000400000-0x000000000042D000-memory.dmp
memory/2600-7-0x00000000050E0000-0x00000000050E1000-memory.dmp
memory/2600-5-0x0000000004E90000-0x0000000004E91000-memory.dmp
memory/2600-9-0x00000000076E0000-0x0000000007726000-memory.dmp
memory/2600-1-0x0000000000500000-0x0000000000501000-memory.dmp
memory/2600-3-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
memory/2600-4-0x0000000005460000-0x0000000005461000-memory.dmp
memory/2600-8-0x00000000050D0000-0x00000000050DB000-memory.dmp
memory/2600-10-0x0000000007730000-0x0000000007760000-memory.dmp
memory/2600-0-0x0000000073630000-0x0000000073D1E000-memory.dmp
memory/2600-6-0x0000000002930000-0x0000000002931000-memory.dmp
memory/3788-19-0x0000000004210000-0x0000000004396000-memory.dmp
memory/3788-22-0x0000000006670000-0x00000000067CD000-memory.dmp
memory/3788-17-0x0000000000B00000-0x0000000000B0C000-memory.dmp
memory/3788-16-0x0000000000B00000-0x0000000000B0C000-memory.dmp