Analysis
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max time kernel
55s -
max time network
84s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
27-07-2021 08:21
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7v20210410
General
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Target
gunzipped.exe
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Size
564KB
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MD5
012678f684c305c94134a4c816fff242
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SHA1
493521556f140df3b2670b8b28816a24a4676bdb
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SHA256
875ab4a8c0e8976f706fe0417ccfdf4d78bab6c845f4b3bb5a9e79414cf34c6d
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SHA512
931477bbb18f152b1daabd63828b63441e050ecfb1326c5e36e0459076e82b36cd94cb8e050c9a0678fc221a75514456ded795d3b7854194434ae90d79618f5b
Malware Config
Extracted
lokibot
http://185.227.139.18/dsaicosaicasdi.php/g2LTjC0V14aJY
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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suricata: ET MALWARE LokiBot Checkin
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suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)
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CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
Processes:
resource yara_rule behavioral1/memory/1716-62-0x00000000003B0000-0x00000000003BB000-memory.dmp CustAttr -
Suspicious use of SetThreadContext 1 IoCs
Processes:
gunzipped.exedescription pid process target process PID 1716 set thread context of 860 1716 gunzipped.exe gunzipped.exe -
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 2 IoCs
Processes:
gunzipped.exepid process 1716 gunzipped.exe 1716 gunzipped.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
gunzipped.exepid process 860 gunzipped.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
gunzipped.exegunzipped.exedescription pid process Token: SeDebugPrivilege 1716 gunzipped.exe Token: SeDebugPrivilege 860 gunzipped.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
gunzipped.exedescription pid process target process PID 1716 wrote to memory of 1736 1716 gunzipped.exe schtasks.exe PID 1716 wrote to memory of 1736 1716 gunzipped.exe schtasks.exe PID 1716 wrote to memory of 1736 1716 gunzipped.exe schtasks.exe PID 1716 wrote to memory of 1736 1716 gunzipped.exe schtasks.exe PID 1716 wrote to memory of 820 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 820 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 820 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 820 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe PID 1716 wrote to memory of 860 1716 gunzipped.exe gunzipped.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.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\PVVekGo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp43B4.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp43B4.tmpMD5
ea73066894779006e2aeff106a750a9f
SHA16c05dac4236f8e929eb9aeb3ab59e8579a598536
SHA2561fc784081725f1b48c4b418a7383e7ffd2297c393afb62880d0451ed75ce0730
SHA5121d44ba6d75a8522a1148a6af05fd71e3a88396a7446856d251747f843eeec583e1f67cc7594eb2c4bde418fa290426316318660170ff35eab34f4db8f50b4832
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memory/860-68-0x00000000004139DE-mapping.dmp
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memory/860-67-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/860-69-0x0000000075161000-0x0000000075163000-memory.dmpFilesize
8KB
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memory/860-70-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1716-59-0x0000000000180000-0x0000000000181000-memory.dmpFilesize
4KB
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memory/1716-61-0x0000000004D50000-0x0000000004D51000-memory.dmpFilesize
4KB
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memory/1716-62-0x00000000003B0000-0x00000000003BB000-memory.dmpFilesize
44KB
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memory/1716-63-0x0000000004CB0000-0x0000000004D11000-memory.dmpFilesize
388KB
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memory/1716-64-0x0000000004390000-0x00000000043B2000-memory.dmpFilesize
136KB
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memory/1736-65-0x0000000000000000-mapping.dmp