383eb4802490f4ffd47f7918d5cd237e69deed15f0ce2aba761f7120d7481037

Resubmissions

24-01-2023 13:50

230124-q5b1csca58 10

24-01-2023 13:46

230124-q2y1qaca48 10

24-11-2022 17:20

221124-vwk9wscd91 10

Analysis

max time kernel
538s
max time network
543s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2023 13:50

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General

Target

f484f919ba6e36ff33e4fb391b8859a94d89c172a465964f99d6113b55ced429.exe
Size

2.9MB
MD5

df0b88dafe7a65295f99e69a67db9e1b
SHA1

db3163a09eb33ff4370ad162a05f4b2584a20456
SHA256

f484f919ba6e36ff33e4fb391b8859a94d89c172a465964f99d6113b55ced429
SHA512

2206969d222882dd8b7e3e5671311462266277d699e08e3016a7b3781b17390e8dd11956d8aaecae996a2c16227d7b2390eb84b9b8df26e39ffe8f38d5b76fbd
SSDEEP

49152:cDVwASOLGtlqrRIU6i9+vazNqQlJZP1BMU2thA8mNtNCiJlrRUFcJ7HIPcLzkw5c:wm+GaNqqJJ12vlZol8cJ7rc3

Score

9^/10

persistence ransomware

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\0cb0f450-f078-47cd-ba37-452564f94228.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20230124145739.pma	setup.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
3492	vssadmin.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 7 IoCs

pid	Process
4140	msedge.exe
4140	msedge.exe
2400	msedge.exe
2400	msedge.exe
2400	msedge.exe
4540	identity_helper.exe
4540	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
2400	msedge.exe
2400	msedge.exe
2400	msedge.exe
2400	msedge.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	1724	vssvc.exe
Token: SeRestorePrivilege	1724	vssvc.exe
Token: SeAuditPrivilege	1724	vssvc.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2400	msedge.exe
2400	msedge.exe
2400	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 3492	3368	f484f919ba6e36ff33e4fb391b8859a94d89c172a465964f99d6113b55ced429.exe	81
PID 3368 wrote to memory of 3492	3368	f484f919ba6e36ff33e4fb391b8859a94d89c172a465964f99d6113b55ced429.exe	81
PID 2400 wrote to memory of 4224	2400	msedge.exe	101
PID 2400 wrote to memory of 4224	2400	msedge.exe	101
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 3808	2400	msedge.exe	104
PID 2400 wrote to memory of 4140	2400	msedge.exe	106
PID 2400 wrote to memory of 4140	2400	msedge.exe	106
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107
PID 2400 wrote to memory of 4468	2400	msedge.exe	107

C:\Users\Admin\AppData\Local\Temp\f484f919ba6e36ff33e4fb391b8859a94d89c172a465964f99d6113b55ced429.exe
"C:\Users\Admin\AppData\Local\Temp\f484f919ba6e36ff33e4fb391b8859a94d89c172a465964f99d6113b55ced429.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Windows\System32\vssadmin.exe
  delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:3492

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1724

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\vcredist2010_x64.log.html
1⤵
- Adds Run key to start application
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2400
- 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=0x120,0x124,0x128,0xfc,0x12c,0x7ff9ae7046f8,0x7ff9ae704708,0x7ff9ae704718
  2⤵
  PID:4224
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2216 /prefetch:2
  2⤵
  PID:3808
- 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=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2280 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4140
- 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=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1552 /prefetch:8
  2⤵
  PID:4468
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --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=3412 /prefetch:1
  2⤵
  PID:3404
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --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=3424 /prefetch:1
  2⤵
  PID:3476
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5452 /prefetch:8
  2⤵
  PID:4432
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5504 /prefetch:8
  2⤵
  PID:2300
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --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=3980 /prefetch:1
  2⤵
  PID:1944
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5664 /prefetch:1
  2⤵
  PID:1872
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5912 /prefetch:8
  2⤵
  PID:4652
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
  2⤵
  - Drops file in Program Files directory
  PID:4116
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x244,0x248,0x24c,0x220,0x250,0x7ff7513e5460,0x7ff7513e5470,0x7ff7513e5480
    3⤵
    PID:4900
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5912 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4540
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4320 /prefetch:8
  2⤵
  PID:3032
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2016 /prefetch:8
  2⤵
  PID:1704
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6020 /prefetch:8
  2⤵
  PID:1616
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2008 /prefetch:8
  2⤵
  PID:3900
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2172,205213103633466197,402433307183766952,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5068 /prefetch:8
  2⤵
  PID:4696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:848

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact