Analysis
- max time kernel
85s - max time network
87s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/10/2021, 10:29
General
- Target 27e82e5a6ba22fd144a1aa0499ae1acd.exe
- Size 289KB
- Sample211007-mh8t2aceak
- SHA256 5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Score
10/10
Malware Config
Extracted
Family
-
formbook
Version
-
4.1
Campaign
-
nk6l
C2
-
http://www.rthearts.com/nk6l/
Decoy
-
cbnextra.com
-
entitysystemsinc.com
-
55midwoodave.com
-
ebelizzi.com
-
khojcity.com
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1527brokenoakdrive.site
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housinghproperties.com
-
ratiousa.com
-
lrcrepresentacoes.net
-
tocoec.net
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khadamatdemnate.com
-
davidkastner.xyz
-
gardeniaresort.com
-
qiantangguoji.com
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visaprepaidprocessinq.com
-
cristinamadara.com
-
semapisus.xyz
-
mpwebagency.net
-
alibabasdeli.com
-
gigasupplies.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\27e82e5a6ba22fd144a1aa0499ae1acd.exe"C:\Users\Admin\AppData\Local\Temp\27e82e5a6ba22fd144a1aa0499ae1acd.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\27e82e5a6ba22fd144a1aa0499ae1acd.exe"C:\Users\Admin\AppData\Local\Temp\27e82e5a6ba22fd144a1aa0499ae1acd.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/524-115-0x0000000000400000-0x000000000042F000-memory.dmp
memory/524-117-0x0000000000AA0000-0x0000000000DC0000-memory.dmp