587ed5147b9566d5dfc0510a346e793965d2ebd60adbf2f1ed1e89576e4b8bd3

General

Target

INC-5828659_Investigation_Report_.pdf
Size

49KB
MD5

f3f80523722b17cb5366283df9a84726
SHA1

39cbc64593716c26abbdb653edd0e956e2ceaec3
SHA256

587ed5147b9566d5dfc0510a346e793965d2ebd60adbf2f1ed1e89576e4b8bd3
SHA512

5bf2ad5a1705240964894b12bbbfdc616b27cb02156a1323c51107e444ae6bce3c24070b74d217296eed510a63a176c46f4a6f38916b286ff46c1308267d6f68

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

msedge.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

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

Modifies registry class 1 IoCs

Processes:

MiniSearchHost.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000_Classes\Local Settings\MuiCache MiniSearchHost.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exe

pid process

3228 msedge.exe
3228 msedge.exe
1200 msedge.exe
1200 msedge.exe
2088 identity_helper.exe
2088 identity_helper.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

Processes:

msedge.exe

pid process

1200 msedge.exe
1200 msedge.exe
1200 msedge.exe
1200 msedge.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

pid	process
3228	msedge.exe
3228	msedge.exe
1200	msedge.exe
1200	msedge.exe
2088	identity_helper.exe
2088	identity_helper.exe

pid	process
1200	msedge.exe
1200	msedge.exe
1200	msedge.exe
1200	msedge.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeTcbPrivilege	1036	svchost.exe
Token: SeTcbPrivilege	1036	svchost.exe
Token: SeTcbPrivilege	1036	svchost.exe
Token: SeTcbPrivilege	1036	svchost.exe
Token: SeTcbPrivilege	1036	svchost.exe
Token: SeTcbPrivilege	1036	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

msedge.exe

pid process

1200 msedge.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MiniSearchHost.exe

pid process

1288 MiniSearchHost.exe

pid	process
1200	msedge.exe

pid	process
1288	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

cmd.exemsedge.exe

description	pid	process	target process
PID 4224 wrote to memory of 1200	4224	cmd.exe	msedge.exe
PID 4224 wrote to memory of 1200	4224	cmd.exe	msedge.exe
PID 1200 wrote to memory of 1604	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 1604	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3628	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3228	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3228	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe
PID 1200 wrote to memory of 3012	1200	msedge.exe	msedge.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\INC-5828659_Investigation_Report_.pdf
1⤵
- Suspicious use of WriteProcessMemory
PID:4224

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\INC-5828659_Investigation_Report_.pdf
2⤵
- Adds Run key to start application
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1200

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=92.0.4515.107 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.62 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff8e01e46f8,0x7ff8e01e4708,0x7ff8e01e4718
3⤵
PID:1604

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
3⤵
PID:3628

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=2112,5953968454161341076,8210123404024355024,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2448 /prefetch:3
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3228

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=2112,5953968454161341076,8210123404024355024,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2052 /prefetch:8
3⤵
PID:3012

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --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=3788 /prefetch:1
3⤵
PID:4392

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --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=3792 /prefetch:1
3⤵
PID:4260

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --disable-gpu-compositing --lang=en-US --extension-process --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=4340 /prefetch:1
3⤵
PID:4924

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=ppapi --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --lang=en-US --device-scale-factor=1 --ppapi-antialiased-text-enabled=1 --ppapi-subpixel-rendering-setting=1 --mojo-platform-channel-handle=5080 /prefetch:6
3⤵
PID:4072

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5372 /prefetch:8
3⤵
PID:5044

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5372 /prefetch:8
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2088

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --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=5676 /prefetch:1
3⤵
PID:2268

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,5953968454161341076,8210123404024355024,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5688 /prefetch:1
3⤵
PID:3116

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1288

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3152

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\??\pipe\LOCAL\crashpad_1200_IEHEBFFJZHETROLT
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/3628-156-0x00007FF9021F0000-0x00007FF9021F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads