Analysis
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max time kernel
132s -
max time network
74s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 01:23
General
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Target
updtd-paymentcopy.xls.exe
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Size
205KB
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MD5
a46f773ea9590ab7e9670b8834daaf76
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SHA1
2724e0a06beb614b52311571b0ddab0c9e99260f
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SHA256
2c47fd67c3768c03972a8883c7313a4c06445b0c1b92c286abc611820fa33580
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SHA512
30e1fc71f4a051435028155b27c621e93c17d9ced96f90f18b178e902ceecbc0673733905e28e28f6a9e8be6c21d55dc29d933634f6a98c2f53dc67cdfc2f636
Malware Config
Extracted
lokibot
http://tradeslushpool.com/widgets/five/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Signatures
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
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Lokibot
Lokibot is a Password and CryptoCoin Wallet Stealer.
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CoreCCC Packer 1 IoCs
Detects CoreCCC packer used to load .NET malware.
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ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\updtd-paymentcopy.xls.exe"C:\Users\Admin\AppData\Local\Temp\updtd-paymentcopy.xls.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\BRWtwa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE792.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\updtd-paymentcopy.xls.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpE792.tmpFilesize
1KB
MD51d9a6a1cba9e6a4d8838a7201b41033b
SHA12adc10ccfaa9655dd8127459b1469cce2dba3ac0
SHA256715940c68c3e58e152a5bf63f188fea75b561f93aa422a4ae3cd26f37cf2d036
SHA512f0ead01dec58e13944699a1ed1d97d5dcace08eaf4d3652080e9090b76be282ab1c9b34b8ced90821fea946109d84d175f00087fcee2fb6a4b7ef1bbf2adde1b
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memory/1556-65-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1556-68-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1556-73-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1556-71-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1556-69-0x00000000004139DE-mapping.dmp
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memory/1556-60-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1556-61-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1556-63-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1556-66-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1668-58-0x0000000000000000-mapping.dmp
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memory/2024-54-0x0000000000020000-0x000000000005A000-memory.dmpFilesize
232KB
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memory/2024-56-0x0000000000560000-0x0000000000568000-memory.dmpFilesize
32KB
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memory/2024-55-0x0000000075381000-0x0000000075383000-memory.dmpFilesize
8KB
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memory/2024-57-0x0000000002030000-0x0000000002058000-memory.dmpFilesize
160KB