Overview
overview
10Static
static
3SeAH RFP_2...df.exe
windows7-x64
10SeAH RFP_2...df.exe
windows10-2004-x64
8$PLUGINSDI...er.dll
windows7-x64
1$PLUGINSDI...er.dll
windows10-2004-x64
1$PLUGINSDI...ge.dll
windows7-x64
1$PLUGINSDI...ge.dll
windows10-2004-x64
1$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3Analysis
-
max time kernel
151s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 12:50
Static task
static1
Behavioral task
behavioral1
Sample
SeAH RFP_24-0676·pdf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SeAH RFP_24-0676·pdf.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/Banner.dll
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/Banner.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/BgImage.dll
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/BgImage.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240611-en
General
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Target
SeAH RFP_24-0676·pdf.exe
-
Size
475KB
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MD5
8951c491b26675b308464af7a29567bd
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SHA1
883bd6d014e3baf9141b304519fc34eef20eb41f
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SHA256
3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8
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SHA512
48f909538c8d04839c4a3a0327774e92070a79872231f360a1ce9a4a60ea0f8a7c0bc273787bf0ee07608fabaa56fdf66ca468a1501ecc09e45ed2943ea91134
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SSDEEP
12288:/qgowhL+Pylw1QeQMQukEsvs5uT8JGjD8WpyLk8n:xR+a3M0ee8JG38lr
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Loads dropped DLL 3 IoCs
Processes:
SeAH RFP_24-0676·pdf.exepid process 4820 SeAH RFP_24-0676·pdf.exe 4820 SeAH RFP_24-0676·pdf.exe 4820 SeAH RFP_24-0676·pdf.exe -
Drops file in System32 directory 1 IoCs
Processes:
SeAH RFP_24-0676·pdf.exedescription ioc process File created C:\Windows\SysWOW64\energetiskes\Physicianer223.lnk SeAH RFP_24-0676·pdf.exe -
Drops file in Program Files directory 3 IoCs
Processes:
SeAH RFP_24-0676·pdf.exedescription ioc process File opened for modification C:\Program Files (x86)\Common Files\Marrowless\Mutated.ini SeAH RFP_24-0676·pdf.exe File opened for modification C:\Program Files (x86)\Common Files\eduard.lyz SeAH RFP_24-0676·pdf.exe File opened for modification C:\Program Files (x86)\Common Files\yeastless.Rus SeAH RFP_24-0676·pdf.exe -
Drops file in Windows directory 1 IoCs
Processes:
SeAH RFP_24-0676·pdf.exedescription ioc process File opened for modification C:\Windows\schematizers.roa SeAH RFP_24-0676·pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 2440 powershell.exe 2440 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2440 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
SeAH RFP_24-0676·pdf.exedescription pid process target process PID 4820 wrote to memory of 2440 4820 SeAH RFP_24-0676·pdf.exe powershell.exe PID 4820 wrote to memory of 2440 4820 SeAH RFP_24-0676·pdf.exe powershell.exe PID 4820 wrote to memory of 2440 4820 SeAH RFP_24-0676·pdf.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SeAH RFP_24-0676·pdf.exe"C:\Users\Admin\AppData\Local\Temp\SeAH RFP_24-0676·pdf.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Nervish=Get-Content 'C:\Users\Admin\AppData\Local\Temp\overmandede\Metran\menubilledet\Airbill\Matriherital.Dem230';$Riptide=$Nervish.SubString(71344,3);.$Riptide($Nervish)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u1n1hmfo.gpz.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\nskB801.tmp\Banner.dllFilesize
4KB
MD5843657eaf7240b695624dcf38bb0eb31
SHA1ca99a44e737fdeaab56f864ce1ef15a57d2eec90
SHA256b935d14c32ad8e16055f7f5794ac3411e601c5ac93155afc623f25b08e2ab82e
SHA5127773d9f6bbd17253d1c96ce225b2f9d3673969b38177afef236d1c5d4aabaae2c07793e07c34f0281ec3b859ae955e83bfe43a598ce7cc6c893ec8c9604f5de3
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C:\Users\Admin\AppData\Local\Temp\nskB801.tmp\BgImage.dllFilesize
7KB
MD5a98576f0d6b35b466cb881860977fdbc
SHA128b3dbbd76f15c876b98dce523100aa3256d193a
SHA2566cc4aadae46ee3e7f39b411ba087ec29bc10aa62b6b5b44003c934b3c51cefe2
SHA51229225bfb30e72d7d3d3571e7562b5901dbf2382af1972cc9a2be8e3bef697b9ac9e0aaac3a9bca191da827ad3cfce7f6876e8be9444663e83a7e2e86788a733c
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C:\Users\Admin\AppData\Local\Temp\nskB801.tmp\nsDialogs.dllFilesize
9KB
MD52c84faebfda2abe3b16fdf374df4272f
SHA1a5b0258a94e0440aefe1ef320e62e7a9a1c8bb40
SHA25672b38e4cca0af336655d55501c4ea05080baaa9921a62a2d717afe90bb801004
SHA512207164cc6914c59d9f4f3b8ae97628c544093ba6ecda9f8da351f453cd97e03be7a640264b8686b2d5e6f3c787f4df1d8a1ebc8e51fd788a97460cd981cc015e
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memory/2440-31-0x00000000053B0000-0x00000000059D8000-memory.dmpFilesize
6.2MB
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memory/2440-28-0x0000000073B8E000-0x0000000073B8F000-memory.dmpFilesize
4KB
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memory/2440-29-0x0000000000B90000-0x0000000000BC6000-memory.dmpFilesize
216KB
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memory/2440-30-0x0000000073B80000-0x0000000074330000-memory.dmpFilesize
7.7MB
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memory/2440-27-0x0000000073B80000-0x0000000074330000-memory.dmpFilesize
7.7MB
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memory/2440-32-0x0000000073B80000-0x0000000074330000-memory.dmpFilesize
7.7MB
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memory/2440-33-0x0000000073B80000-0x0000000074330000-memory.dmpFilesize
7.7MB
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memory/2440-34-0x00000000052A0000-0x00000000052C2000-memory.dmpFilesize
136KB
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memory/2440-35-0x0000000005C10000-0x0000000005C76000-memory.dmpFilesize
408KB
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memory/2440-36-0x0000000005C80000-0x0000000005CE6000-memory.dmpFilesize
408KB
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memory/2440-26-0x0000000073B8E000-0x0000000073B8F000-memory.dmpFilesize
4KB
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memory/2440-46-0x0000000005DF0000-0x0000000006144000-memory.dmpFilesize
3.3MB