a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 23:46

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General

Target

a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe
Size

141KB
MD5

3f6d9c8db25f4a2b3797927b2a58cece
SHA1

68e5997f8d7551e156f41971e3bc86d3fa80642e
SHA256

a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65
SHA512

e3ab723fbdb2bd8824763cb2030c3b5a0182c62d40734e3ec6946082dedf151966222dd55019928f94e270ccb83872ed389c96a3c65448e81d6559004d9d20d5
SSDEEP

3072:RZGAPBUo2hUE+6c4AUH7tSH2zZuYiMTkISJyeu8o:nxZUoqUE+6chUZSH2zZu4AIlU

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wmplayer = "C:\\MessengerPlus\\mplayer2.exe"	a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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\84d8d7a4-4b99-4fc3-b6cd-b55d06d6e621.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221211172248.pma	setup.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
4176	2088	WerFault.exe	79

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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Download	a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.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
1656	msedge.exe
1656	msedge.exe
4568	msedge.exe
4568	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4568	msedge.exe
4568	msedge.exe
4568	msedge.exe
4568	msedge.exe
4568	msedge.exe
4568	msedge.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1284	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1284	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4568	msedge.exe
4568	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2088	a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 4568	2088	a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe	84
PID 2088 wrote to memory of 4568	2088	a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe	84
PID 4568 wrote to memory of 3100	4568	msedge.exe	85
PID 4568 wrote to memory of 3100	4568	msedge.exe	85
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 4168	4568	msedge.exe	88
PID 4568 wrote to memory of 1656	4568	msedge.exe	89
PID 4568 wrote to memory of 1656	4568	msedge.exe	89
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90
PID 4568 wrote to memory of 4516	4568	msedge.exe	90

C:\Users\Admin\AppData\Local\Temp\a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe
"C:\Users\Admin\AppData\Local\Temp\a5040f3bf79a7bb249c930f0a97ca947d2cf7e499f1493ec9351decefef7ff65.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 388
  2⤵
  - Program crash
  PID:4176
- 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⤵
  - 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:4568
- - 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffd0b5746f8,0x7ffd0b574708,0x7ffd0b574718
    3⤵
    PID:3100
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,5768139026697334333,10032858551574556034,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2204 /prefetch:2
    3⤵
    PID:4168
- - 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=2124,5768139026697334333,10032858551574556034,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2252 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1656
- - 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=2124,5768139026697334333,10032858551574556034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2672 /prefetch:8
    3⤵
    PID:4516
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,5768139026697334333,10032858551574556034,131072 --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=3336 /prefetch:1
    3⤵
    PID:3096
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,5768139026697334333,10032858551574556034,131072 --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=3340 /prefetch:1
    3⤵
    PID:4536
- - 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=2124,5768139026697334333,10032858551574556034,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4724 /prefetch:8
    3⤵
    PID:2980
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,5768139026697334333,10032858551574556034,131072 --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=4900 /prefetch:1
    3⤵
    PID:2016
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,5768139026697334333,10032858551574556034,131072 --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=5164 /prefetch:1
    3⤵
    PID:3156
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2124,5768139026697334333,10032858551574556034,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5640 /prefetch:8
    3⤵
    PID:4784
- - 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=2124,5768139026697334333,10032858551574556034,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6176 /prefetch:8
    3⤵
    PID:924
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,5768139026697334333,10032858551574556034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6196 /prefetch:1
    3⤵
    PID:4796
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,5768139026697334333,10032858551574556034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6284 /prefetch:1
    3⤵
    PID:4204
- - 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=2124,5768139026697334333,10032858551574556034,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2640 /prefetch:8
    3⤵
    PID:4472
- - 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
    3⤵
    - Drops file in Program Files directory
    PID:4080
  - - 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=0x108,0x104,0x100,0xc0,0xfc,0x7ff6dd0d5460,0x7ff6dd0d5470,0x7ff6dd0d5480
      4⤵
      PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 2088 -ip 2088
1⤵
PID:1712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3820

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x150 0x444
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1284

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

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Downloads

memory/2088-133-0x00000000005D0000-0x0000000000616000-memory.dmp

Filesize
280KB

Download
memory/2088-136-0x00000000005D0000-0x0000000000616000-memory.dmp

Filesize
280KB

Download
memory/2088-138-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2088-132-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download