79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
12-03-2022 20:48

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General

Target

79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe
Size

552KB
MD5

34f2cc16d84f7522f05d5333ed3913dd
SHA1

b7eed00ff0aa9da390e3f3aca0eaecd6bd685006
SHA256

79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3
SHA512

f0efd072e7718390aa0371879a2a9eabe01ea29d49063a77df04f37bd9bbfb250fdec95b3df7a1874182aec3af5dd4de78fd6dbb87bbb594fc66243a6765b1f8

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\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\753c63c8-61ca-4a64-a19a-9c83dd959eee.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220312214911.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

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 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 8 IoCs

pid	Process
2288	msedge.exe
2288	msedge.exe
1512	msedge.exe
1512	msedge.exe
2676	msedge.exe
2676	msedge.exe
4536	identity_helper.exe
4536	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2676	msedge.exe
2676	msedge.exe
2676	msedge.exe
2676	msedge.exe
2676	msedge.exe
2676	msedge.exe
2676	msedge.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeTcbPrivilege	3312	svchost.exe
Token: SeTcbPrivilege	3312	svchost.exe
Token: SeTcbPrivilege	3312	svchost.exe
Token: SeTcbPrivilege	3312	svchost.exe
Token: SeTcbPrivilege	3312	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2676	msedge.exe
2676	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 2676	1616	79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe	82
PID 1616 wrote to memory of 2676	1616	79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe	82
PID 2676 wrote to memory of 1632	2676	msedge.exe	83
PID 2676 wrote to memory of 1632	2676	msedge.exe	83
PID 1616 wrote to memory of 4092	1616	79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe	85
PID 1616 wrote to memory of 4092	1616	79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe	85
PID 4092 wrote to memory of 3740	4092	msedge.exe	86
PID 4092 wrote to memory of 3740	4092	msedge.exe	86
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 2676 wrote to memory of 5064	2676	msedge.exe	94
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93
PID 4092 wrote to memory of 5068	4092	msedge.exe	93

C:\Users\Admin\AppData\Local\Temp\79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe
"C:\Users\Admin\AppData\Local\Temp\79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
  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:2676
- - 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,0x100,0xd4,0x104,0x7ffb990546f8,0x7ffb99054708,0x7ffb99054718
    3⤵
    PID:1632
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
    3⤵
    PID:5064
- - 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=2152,2203603526311412175,9657050116299479926,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2080 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2288
- - 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=2152,2203603526311412175,9657050116299479926,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2488 /prefetch:8
    3⤵
    PID:2364
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --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=3704 /prefetch:1
    3⤵
    PID:4676
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --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=3724 /prefetch:1
    3⤵
    PID:4004
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --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=4620 /prefetch:1
    3⤵
    PID:4688
- - 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=2152,2203603526311412175,9657050116299479926,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4492 /prefetch:8
    3⤵
    PID:4896
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --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=4940 /prefetch:1
    3⤵
    PID:2304
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --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=5532 /prefetch:1
    3⤵
    PID:2976
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --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=5960 /prefetch:1
    3⤵
    PID:4152
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6000 /prefetch:1
    3⤵
    PID:3344
- - 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=2152,2203603526311412175,9657050116299479926,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6408 /prefetch:8
    3⤵
    PID:2428
- - 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:1900
  - - 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=0x270,0x274,0x278,0x24c,0x27c,0x7ff6414c5460,0x7ff6414c5470,0x7ff6414c5480
      4⤵
      PID:3856
- - 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=2152,2203603526311412175,9657050116299479926,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6408 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    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=unzip.mojom.Unzipper --field-trial-handle=2152,2203603526311412175,9657050116299479926,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3852 /prefetch:8
    3⤵
    PID:3320
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=79c87d552858845eecce7d11c6ef681dfa2d647c2aef20a1ad33be2507d415c3.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4092
- - 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,0x100,0xd4,0x104,0x7ffb990546f8,0x7ffb99054708,0x7ffb99054718
    3⤵
    PID:3740
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,10539083950497814288,3782879884928123566,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
    3⤵
    PID:5068
- - 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=2152,10539083950497814288,3782879884928123566,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2664 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1512

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2428

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3312

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
PID:4956

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/4956-170-0x0000018BE59A0000-0x0000018BE59B0000-memory.dmp

Filesize
64KB

Download
memory/4956-171-0x0000018BE6260000-0x0000018BE6270000-memory.dmp

Filesize
64KB

Download
memory/4956-172-0x0000018BE8820000-0x0000018BE8824000-memory.dmp

Filesize
16KB

Download
memory/5064-141-0x00007FFBB5020000-0x00007FFBB5021000-memory.dmp

Filesize
4KB

Download