nefilim | 52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea

Analysis

max time kernel
177s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
31-01-2022 23:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe
Size

4.2MB
MD5

80cfda61942eb4e71f286297a1158f48
SHA1

6c9ae388fa5d723a458de0d2bea3eb63bc921af7
SHA256

52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea
SHA512

5e02f22c9c367d2111d4b1a6000691286da04c52aae9fd7b716b0911e31256aa679ac227d24443bfd75450b1dd7f9c20eae0593d1fc42324b9281852e20fcbe7

Score

10^/10

nefilim persistence pyinstaller ransomware

Malware Config

Extracted

Path

C:\NEFILIM-DECRYPT.txt

Ransom Note

All of your files have been encrypted with military grade algorithms. We ensure that the only way to retrieve your data is with our software. We will make sure you retrieve your data swiftly and securely when our demands are met. Restoration of your data requires a private key which only we possess. A large amount of your private files have been extracted and is kept in a secure location. If you do not contact us in seven working days of the breach we will start leaking the data. After you contact us we will provide you proof that your files have been extracted. To confirm that our decryption software works email to us 2 files from random computers. You will receive further instructions after you send us the test files. [email protected] [email protected] [email protected]

Emails

[email protected]

Signatures

Nefilim
Ransomware first seen in early 2020 which shares code with the Nemty family. Rewritten in Golang in July 2020.
ransomware nefilim

Nefilim Ransomware Executable 2 IoCs

File contains patterns typical of Nefilim samples.

resource	yara_rule
behavioral2/files/0x000400000001e798-138.dat	nefilim_ransomware
behavioral2/files/0x000400000001e798-139.dat	nefilim_ransomware

Executes dropped EXE 3 IoCs

pid	Process
1008	inj.exe
3304	inj.exe
1660	COVID-~1.EXE

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Loads dropped DLL 2 IoCs

pid	Process
3304	inj.exe
3304	inj.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe

Detects Pyinstaller 3 IoCs

pyinstaller

resource	yara_rule
behavioral2/files/0x000600000001e797-130.dat	pyinstaller
behavioral2/files/0x000600000001e797-131.dat	pyinstaller
behavioral2/files/0x000600000001e797-132.dat	pyinstaller

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies data under HKEY_USERS 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3124	msedge.exe
3124	msedge.exe
1664	msedge.exe
1664	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
1664	msedge.exe
1664	msedge.exe
1664	msedge.exe
1664	msedge.exe
1664	msedge.exe
1664	msedge.exe
1664	msedge.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3212	svchost.exe
Token: SeCreatePagefilePrivilege	3212	svchost.exe
Token: SeShutdownPrivilege	3212	svchost.exe
Token: SeCreatePagefilePrivilege	3212	svchost.exe
Token: SeShutdownPrivilege	3212	svchost.exe
Token: SeCreatePagefilePrivilege	3212	svchost.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1664	msedge.exe
1664	msedge.exe
1664	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1008	2360	52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe	84
PID 2360 wrote to memory of 1008	2360	52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe	84
PID 2360 wrote to memory of 1008	2360	52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe	84
PID 1008 wrote to memory of 3304	1008	inj.exe	85
PID 1008 wrote to memory of 3304	1008	inj.exe	85
PID 1008 wrote to memory of 3304	1008	inj.exe	85
PID 3304 wrote to memory of 1664	3304	inj.exe	89
PID 3304 wrote to memory of 1664	3304	inj.exe	89
PID 1664 wrote to memory of 484	1664	msedge.exe	90
PID 1664 wrote to memory of 484	1664	msedge.exe	90
PID 2360 wrote to memory of 1660	2360	52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe	91
PID 2360 wrote to memory of 1660	2360	52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe	91
PID 2360 wrote to memory of 1660	2360	52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe	91
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 2984	1664	msedge.exe	92
PID 1664 wrote to memory of 3124	1664	msedge.exe	93
PID 1664 wrote to memory of 3124	1664	msedge.exe	93
PID 1664 wrote to memory of 1632	1664	msedge.exe	95
PID 1664 wrote to memory of 1632	1664	msedge.exe	95
PID 1664 wrote to memory of 1632	1664	msedge.exe	95
PID 1664 wrote to memory of 1632	1664	msedge.exe	95
PID 1664 wrote to memory of 1632	1664	msedge.exe	95
PID 1664 wrote to memory of 1632	1664	msedge.exe	95
PID 1664 wrote to memory of 1632	1664	msedge.exe	95
PID 1664 wrote to memory of 1632	1664	msedge.exe	95
PID 1664 wrote to memory of 1632	1664	msedge.exe	95

C:\Users\Admin\AppData\Local\Temp\52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe
"C:\Users\Admin\AppData\Local\Temp\52e25bdd600695cfed0d4ee3aca4f121bfebf0de889593e6ba06282845cf39ea.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\inj.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\inj.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1008
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\inj.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\inj.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3304
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://199.204.251.210/
      4⤵
      Enumerates system info in registry
      Modifies registry class
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1664
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x160,0x164,0x168,0x15c,0x16c,0x7ffc092946f8,0x7ffc09294708,0x7ffc09294718
        5⤵
        
        PID:484
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:2
        5⤵
        
        PID:2984
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2292 /prefetch:3
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:3124
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3296 /prefetch:8
        5⤵
        
        PID:1632
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3760 /prefetch:1
        5⤵
        
        PID:2348
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3764 /prefetch:1
        5⤵
        
        PID:3640
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5700 /prefetch:1
        5⤵
        
        PID:2920
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5732 /prefetch:1
        5⤵
        
        PID:1344
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3808 /prefetch:1
        5⤵
        
        PID:2020
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3892 /prefetch:1
        5⤵
        
        PID:2240
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,2214803876266273437,17949018507073604185,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1140 /prefetch:1
        5⤵
        
        PID:4360
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\COVID-~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\COVID-~1.EXE
  2⤵
  - Executes dropped EXE
  PID:1660

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3716

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 4e5bb866f8ab62f39f54434a9760186f v4TlscNIC0O0khsjZD893A.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3604

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2348-149-0x00007FFC27C60000-0x00007FFC27C61000-memory.dmp

Filesize
4KB

Download
memory/2984-141-0x00007FFC276E0000-0x00007FFC276E1000-memory.dmp

Filesize
4KB

Download
memory/3212-169-0x000001EDBC390000-0x000001EDBC3A0000-memory.dmp

Filesize
64KB

Download
memory/3212-170-0x000001EDBCE30000-0x000001EDBCE40000-memory.dmp

Filesize
64KB

Download
memory/3212-171-0x000001EDBF360000-0x000001EDBF364000-memory.dmp

Filesize
16KB

Download
memory/3640-151-0x00007FFC261B0000-0x00007FFC261B1000-memory.dmp

Filesize
4KB

Download