41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0

Analysis

max time kernel
196s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2022 14:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
Size

141KB
MD5

316f41c12c008e77f862e23ca24d1030
SHA1

8ce9ed7369c573ca7af4c51ed112997506f970a5
SHA256

41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0
SHA512

4d6a9ad38150d9f1acf2897177342a8b8aee689dead3601d95da3cd74b8ee77a0957f4e169a489a3cdb10202e108785af2186ecf0728f64dbaf370578cb24013
SSDEEP

3072:i7k1qIDapTbpSY4ESneJOLL2jO6Sd4tvERUJOsqzmFw/jkhA2j:MIuxbJ4202jlSd4yRUV+mFekF

Score

6^/10

persistence

Malware Config

Signatures

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\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wmplayer = "C:\\MessengerPlus\\mplayer2.exe"	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
116	3452	WerFault.exe	80

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 Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Download	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.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
4204	msedge.exe
4204	msedge.exe
4700	msedge.exe
4700	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
4700	msedge.exe
4700	msedge.exe
4700	msedge.exe
4700	msedge.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4700	msedge.exe
4700	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3452	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 4700	3452	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe	89
PID 3452 wrote to memory of 4700	3452	41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe	89
PID 4700 wrote to memory of 3612	4700	msedge.exe	90
PID 4700 wrote to memory of 3612	4700	msedge.exe	90
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 5084	4700	msedge.exe	98
PID 4700 wrote to memory of 4204	4700	msedge.exe	99
PID 4700 wrote to memory of 4204	4700	msedge.exe	99
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100
PID 4700 wrote to memory of 4428	4700	msedge.exe	100

C:\Users\Admin\AppData\Local\Temp\41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe
"C:\Users\Admin\AppData\Local\Temp\41af735d41cce4d92f6603ee540baa44b2c87e8a7e3a1a04c9da58c4cb5211f0.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 388
  2⤵
  - Program crash
  PID:116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.youtube.com/watch?v=vsd3g0h_vs0
  2⤵
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4700
- - 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=0x108,0x10c,0x110,0xe4,0x114,0x7ffc99ed46f8,0x7ffc99ed4708,0x7ffc99ed4718
    3⤵
    PID:3612
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,16426035377721080389,7603075888033070692,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
    3⤵
    PID:5084
- - 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=2140,16426035377721080389,7603075888033070692,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2348 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4204
- - 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=2140,16426035377721080389,7603075888033070692,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2840 /prefetch:8
    3⤵
    PID:4428
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,16426035377721080389,7603075888033070692,131072 --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=3676 /prefetch:1
    3⤵
    PID:4560
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,16426035377721080389,7603075888033070692,131072 --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=3684 /prefetch:1
    3⤵
    PID:3740
- - 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=2140,16426035377721080389,7603075888033070692,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4760 /prefetch:8
    3⤵
    PID:3456
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,16426035377721080389,7603075888033070692,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5260 /prefetch:1
    3⤵
    PID:3768
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,16426035377721080389,7603075888033070692,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5272 /prefetch:1
    3⤵
    PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3452 -ip 3452
1⤵
PID:3980

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3484

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/3452-133-0x00000000005B0000-0x00000000005F6000-memory.dmp

Filesize
280KB

Download
memory/3452-136-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3452-138-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3452-139-0x00000000005B0000-0x00000000005F6000-memory.dmp

Filesize
280KB

Download
memory/3452-132-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3456-152-0x0000000000000000-mapping.dmp

Download
memory/3612-140-0x0000000000000000-mapping.dmp

Download
memory/3740-150-0x0000000000000000-mapping.dmp

Download
memory/3768-154-0x0000000000000000-mapping.dmp

Download
memory/4204-143-0x0000000000000000-mapping.dmp

Download
memory/4428-146-0x0000000000000000-mapping.dmp

Download
memory/4560-148-0x0000000000000000-mapping.dmp

Download
memory/4700-137-0x0000000000000000-mapping.dmp

Download
memory/4904-156-0x0000000000000000-mapping.dmp

Download
memory/5084-142-0x0000000000000000-mapping.dmp

Download