211be80bbab4b878ecce1d42c5191cfd9a2575bfa4fa0e05906d6e7bb3b28775

General

Target

chew-wga09windows.zip
Size

8.8MB
MD5

9a2eceb09cdea9a5767db6b5ae761432
SHA1

8913a8cc829e61bef7f38f7953655e33e52356c5
SHA256

211be80bbab4b878ecce1d42c5191cfd9a2575bfa4fa0e05906d6e7bb3b28775
SHA512

ae5d8c57ba1699d91110bf6a78505843bc02fa5b79716947ef18a8ba070f67e35bb0985a1011a7d20977aa03431786695d33f7c6f0a06fecf13d109de64843a9
SSDEEP

196608:uq5hul04G65AMYTyMUWkK3RVGKIyUXgwybiPifLOXP6lKMsMlnh2U0Mzz:bql04dAtTUqVGZjXgwyLSMKVAh2sn

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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Drops file in Program Files directory 2 IoCs

Processes:

setup.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\612295d1-3ec1-45ae-aa20-62c9a50d7c6a.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221112173321.pma	setup.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

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

Processes:

msedge.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ msedge.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exe

pid process

4776 msedge.exe
4776 msedge.exe
452 msedge.exe
452 msedge.exe
5256 identity_helper.exe
5256 identity_helper.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

Processes:

msedge.exe

pid process

452 msedge.exe
452 msedge.exe
452 msedge.exe
452 msedge.exe
452 msedge.exe
452 msedge.exe
452 msedge.exe
452 msedge.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AUDIODG.EXE

description pid process

Token: 33 5072 AUDIODG.EXE
Token: SeIncBasePriorityPrivilege 5072 AUDIODG.EXE
Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

msedge.exe

pid process

452 msedge.exe
452 msedge.exe
452 msedge.exe
452 msedge.exe
452 msedge.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

pid	process
4776	msedge.exe
4776	msedge.exe
452	msedge.exe
452	msedge.exe
5256	identity_helper.exe
5256	identity_helper.exe

pid	process
452	msedge.exe
452	msedge.exe
452	msedge.exe
452	msedge.exe
452	msedge.exe
452	msedge.exe
452	msedge.exe
452	msedge.exe

description	pid	process
Token: 33	5072	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	5072	AUDIODG.EXE

pid	process
452	msedge.exe
452	msedge.exe
452	msedge.exe
452	msedge.exe
452	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

msedge.exe

description	pid	process	target process
PID 452 wrote to memory of 536	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 536	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4204	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4776	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 4776	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe
PID 452 wrote to memory of 1780	452	msedge.exe	msedge.exe

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\chew-wga09windows.zip
1⤵
PID:3416

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument microsoft-edge:?launchContext1=Microsoft.Windows.Cortana_cw5n1h2txyewy&url=https%3A%2F%2Fwww.bing.com%2Fsearch%3Fq%3D%2525temp%2525%26form%3DWNSGPH%26qs%3DSW%26cvid%3D49bc24c38d8d492eae02072b757b62b5%26pq%3D%2525temp%2525%26cc%3DUS%26setlang%3Den-US%26nclid%3D9C0DA10A27A69B5F4DC9FC093B60234D%26ts%3D1668274373589%26nclidts%3D1668274373%26tsms%3D589
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:452

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=0x11c,0x120,0x124,0xf8,0x128,0x7ffd07b546f8,0x7ffd07b54708,0x7ffd07b54718
2⤵
PID:536

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
2⤵
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=network.mojom.NetworkService --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4776

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=2144,17911175895490100924,8438310957586310566,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2748 /prefetch:8
2⤵
PID:1780

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --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=3896 /prefetch:1
2⤵
PID:4072

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --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=3912 /prefetch:1
2⤵
PID:4084

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=2144,17911175895490100924,8438310957586310566,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5216 /prefetch:8
2⤵
PID:4812

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --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=5564 /prefetch:1
2⤵
PID:1916

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --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=5536 /prefetch:1
2⤵
PID:1892

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --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=5528 /prefetch:1
2⤵
PID:4292

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=2144,17911175895490100924,8438310957586310566,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5720 /prefetch:8
2⤵
PID:2084

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --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=5036 /prefetch:1
2⤵
PID:4316

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=2144,17911175895490100924,8438310957586310566,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5844 /prefetch:8
2⤵
PID:1716

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5948 /prefetch:1
2⤵
PID:1096

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17911175895490100924,8438310957586310566,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6040 /prefetch:1
2⤵
PID:1036

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=2144,17911175895490100924,8438310957586310566,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6384 /prefetch:8
2⤵
PID:4744

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:2028

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=0x100,0xfc,0x134,0x124,0x138,0x7ff641a15460,0x7ff641a15470,0x7ff641a15480
3⤵
PID:3096

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=2144,17911175895490100924,8438310957586310566,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6384 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:5256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3568

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2f8 0x384
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5072

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\??\pipe\LOCAL\crashpad_452_XJWETVYNRREBJNTB
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/536-132-0x0000000000000000-mapping.dmp

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memory/1036-160-0x0000000000000000-mapping.dmp

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memory/1096-158-0x0000000000000000-mapping.dmp

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memory/1716-156-0x0000000000000000-mapping.dmp

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memory/1780-138-0x0000000000000000-mapping.dmp

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memory/1892-148-0x0000000000000000-mapping.dmp

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memory/1916-146-0x0000000000000000-mapping.dmp

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memory/2028-161-0x0000000000000000-mapping.dmp

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memory/2084-152-0x0000000000000000-mapping.dmp

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memory/3096-162-0x0000000000000000-mapping.dmp

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memory/4072-140-0x0000000000000000-mapping.dmp

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memory/4084-142-0x0000000000000000-mapping.dmp

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memory/4204-134-0x0000000000000000-mapping.dmp

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memory/4292-150-0x0000000000000000-mapping.dmp

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memory/4316-154-0x0000000000000000-mapping.dmp

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memory/4776-135-0x0000000000000000-mapping.dmp

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memory/4812-144-0x0000000000000000-mapping.dmp

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memory/5256-163-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads