Analysis
- max time kernel
58s - max time network
90s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
25/03/2024, 12:31
Static task
static1
Behavioral task
behavioral1
Sample
Request For Quotation Details_Ref.exe
Resource
win7-20240221-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
Request For Quotation Details_Ref.exe
Resource
win10v2004-20240226-en
14 signatures
150 seconds
Behavioral task
behavioral3
Sample
fangelejre/Syrnes/Lnforbedringens/Hjertensgodes.ps1
Resource
win7-20240221-en
9 signatures
150 seconds
Behavioral task
behavioral4
Sample
fangelejre/Syrnes/Lnforbedringens/Hjertensgodes.ps1
Resource
win10v2004-20240226-en
12 signatures
150 seconds
General
- Target Request For Quotation Details_Ref.exe
- Size 949KB
- Sample240325-pp46jaae5w
- SHA256 b67c5941b8a82c44ee8c876e53fc0435d8d5653491b6c61ef0ec5ee92bbfbed0
- MD5 f744b39f06cad577364eff72186e0626
- SHA1 a2e04a36a215a5a90838965126b5e0b8baa7cf88
- SHA512 7adc81defb1397a665f7511e04224b81b5a8cabbab5ede049ba20f8113998307f146ef2031f723a5dca5592f51794d935fcaddff3a33deb58743521749a69e8d
- SSDEEP 24576:pbZCmf67FtuZFX3KJQghsUyj6/onNd5gWrotUF3y:R3f67FtuZB3oQyCG/otrfF3y
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wab.exe Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook wab.exe Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook wab.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 59 drive.google.com 63 drive.google.com - Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 2440 wab.exe 2440 wab.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3996 powershell.exe 2440 wab.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3996 set thread context of 2440 3996 powershell.exe 104 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe - Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 2440 wab.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1560 wrote to memory of 3996 1560 Request For Quotation Details_Ref.exe 91 PID 1560 wrote to memory of 3996 1560 Request For Quotation Details_Ref.exe 91 PID 1560 wrote to memory of 3996 1560 Request For Quotation Details_Ref.exe 91 PID 3996 wrote to memory of 3112 3996 powershell.exe 95 PID 3996 wrote to memory of 3112 3996 powershell.exe 95 PID 3996 wrote to memory of 3112 3996 powershell.exe 95 PID 3996 wrote to memory of 3604 3996 powershell.exe 102 PID 3996 wrote to memory of 3604 3996 powershell.exe 102 PID 3996 wrote to memory of 3604 3996 powershell.exe 102 PID 3996 wrote to memory of 4432 3996 powershell.exe 103 PID 3996 wrote to memory of 4432 3996 powershell.exe 103 PID 3996 wrote to memory of 4432 3996 powershell.exe 103 PID 3996 wrote to memory of 2440 3996 powershell.exe 104 PID 3996 wrote to memory of 2440 3996 powershell.exe 104 PID 3996 wrote to memory of 2440 3996 powershell.exe 104 PID 3996 wrote to memory of 2440 3996 powershell.exe 104 PID 3996 wrote to memory of 2440 3996 powershell.exe 104 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook wab.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wab.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Request For Quotation Details_Ref.exe"C:\Users\Admin\AppData\Local\Temp\Request For Quotation Details_Ref.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Madrasser=Get-Content 'C:\Users\Admin\AppData\Local\butikstiders\Sjunger\fangelejre\Syrnes\Lnforbedringens\Hjertensgodes.Nim';$Trafikunderlag=$Madrasser.SubString(60932,3);.$Trafikunderlag($Madrasser)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"3⤵PID:3112
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵PID:3604
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵PID:4432
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2440
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lbgcpcey.tpz.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\butikstiders\Sjunger\Ndringstabel183.Azo
- Size 317KB
- SHA256 33ee12be53ca961315fffc0abc014f2483c29feb8fa4676596dc16a3451664a1
- MD5 a39aba64bea9e201838330208bd48c06
- SHA1 e951f526f42064f7bf8f6594709d8ae54ccb9650
- SHA512 70b71dc226e51d3445e9612e2d14b508563acaddb8b7f0299bb6a8281507b48ebb918339728a574d605a1f612b115d4ddfd51f1678366471db818986ba04720e
- SSDEEP 6144:Ybjxv+YzETQ5bJwltFLkbnld2N8sogY5Fk1Gqq1vKTdMQL:+tzuDEqoZF+av8lL
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\butikstiders\Sjunger\fangelejre\Syrnes\Lnforbedringens\Hjertensgodes.Nim
- Size 59KB
- SHA256 f817a40978e642e98d2c41c967c651051414291fa729ff3618a8c12638cf566c
- MD5 41e3b6d1e5367b938531916ca78dfe24
- SHA1 cbc36b0e630f0d739ac22e3f031e047f0e42c318
- SHA512 3d16bb14f411c9008219036e749556dfc184b7801d61733891a56f4adf43397b1bb325340fdb500b9eecb9abd05f8483e447d795d7f09044d58202c778d5e2fa
- SSDEEP 1536:z8LaJc+6OR8+SgyMR+6ZpRD4mhanfZMjfnaeLCYxl:gLcctORzSgzRvVD45ZUzLf
- MD5 SHA1 SHA512 SSDEEP