d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13

General

Target

d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe
Size

579KB
MD5

5dba1c7ef84c2a30c0a002dca27cf64e
SHA1

2c74a4419e6e730742bb0fc2684763d767f63a1e
SHA256

d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13
SHA512

75e8163f0f557a0ba3808daa3b057822e6c4694b45a568237b65445adfd28275c6b221856fc35f8c4f2b89fb9b622d6ceea417b5f59de4e20d3e927194814778
SSDEEP

12288:FcXN6xZssXpwUW6O5z7orGjJSYgoRb3hVfOcLY:Fy6xLplW6O5zAUSSRFVfvLY

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 System32 directory 1 IoCs

Processes:

d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe

description ioc process

File created C:\Windows\SysWOW64\PastXsKMU.sys d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe

description	ioc	process
File created	C:\Windows\SysWOW64\PastXsKMU.sys	d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.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\c9d6fb27-dc7b-4e9a-86a1-a82ba0dcdb59.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221125202648.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

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

1084 msedge.exe
1084 msedge.exe
4672 msedge.exe
4672 msedge.exe
372 identity_helper.exe
372 identity_helper.exe
Suspicious behavior: LoadsDriver 2 IoCs

Processes:

pid process

648
648
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

Processes:

msedge.exe

pid process

4672 msedge.exe
4672 msedge.exe
4672 msedge.exe
4672 msedge.exe
4672 msedge.exe
4672 msedge.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

msedge.exe

pid process

4672 msedge.exe
4672 msedge.exe
4672 msedge.exe

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

pid	process
1084	msedge.exe
1084	msedge.exe
4672	msedge.exe
4672	msedge.exe
372	identity_helper.exe
372	identity_helper.exe

pid	process
648
648

pid	process
4672	msedge.exe
4672	msedge.exe
4672	msedge.exe
4672	msedge.exe
4672	msedge.exe
4672	msedge.exe

pid	process
4672	msedge.exe
4672	msedge.exe
4672	msedge.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe

pid	process
4576	d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe
4576	d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exemsedge.exe

description	pid	process	target process
PID 4576 wrote to memory of 4672	4576	d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe	msedge.exe
PID 4576 wrote to memory of 4672	4576	d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe	msedge.exe
PID 4672 wrote to memory of 4632	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4632	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4912	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 1084	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 1084	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe
PID 4672 wrote to memory of 4408	4672	msedge.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe
"C:\Users\Admin\AppData\Local\Temp\d999b044cbd251ddbbdfd9b5d0f2270e2982326a6774227d7e638d559eae6f13.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4576

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.626wg.com/
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:4672

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,0x100,0xd4,0x104,0x7ffee98446f8,0x7ffee9844708,0x7ffee9844718
3⤵
PID:4632

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,9121490533769977838,13620137468086611223,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
3⤵
PID:4912

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=2112,9121490533769977838,13620137468086611223,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1084

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=2112,9121490533769977838,13620137468086611223,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
3⤵
PID:4408

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9121490533769977838,13620137468086611223,131072 --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=3308 /prefetch:1
3⤵
PID:4132

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9121490533769977838,13620137468086611223,131072 --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=3356 /prefetch:1
3⤵
PID:4908

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=2112,9121490533769977838,13620137468086611223,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4792 /prefetch:8
3⤵
PID:1220

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9121490533769977838,13620137468086611223,131072 --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=4980 /prefetch:1
3⤵
PID:5036

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9121490533769977838,13620137468086611223,131072 --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=4960 /prefetch:1
3⤵
PID:4468

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9121490533769977838,13620137468086611223,131072 --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=5500 /prefetch:1
3⤵
PID:1896

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9121490533769977838,13620137468086611223,131072 --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=4064 /prefetch:1
3⤵
PID:3476

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=2112,9121490533769977838,13620137468086611223,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6332 /prefetch:8
3⤵
PID:4640

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=2112,9121490533769977838,13620137468086611223,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6860 /prefetch:8
3⤵
PID:2844

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:5088

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=0x220,0x224,0x228,0x1fc,0x22c,0x7ff7d4345460,0x7ff7d4345470,0x7ff7d4345480
4⤵
PID:4992

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=2112,9121490533769977838,13620137468086611223,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6860 /prefetch:8
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3760

Network

MITRE ATT&CK Enterprise 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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\pipe\LOCAL\crashpad_4672_MNZNBFLGIYMNLRPI
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/372-163-0x0000000000000000-mapping.dmp

Download
memory/1084-141-0x0000000000000000-mapping.dmp

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memory/1220-150-0x0000000000000000-mapping.dmp

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memory/1896-156-0x0000000000000000-mapping.dmp

Download
memory/3476-158-0x0000000000000000-mapping.dmp

Download
memory/4132-146-0x0000000000000000-mapping.dmp

Download
memory/4408-144-0x0000000000000000-mapping.dmp

Download
memory/4468-154-0x0000000000000000-mapping.dmp

Download
memory/4576-132-0x0000000000400000-0x0000000000638000-memory.dmp

Filesize
2.2MB

Download
memory/4576-137-0x0000000000400000-0x0000000000638000-memory.dmp

Filesize
2.2MB

Download
memory/4576-133-0x0000000000400000-0x0000000000638000-memory.dmp

Filesize
2.2MB

Download
memory/4576-134-0x0000000000400000-0x0000000000638000-memory.dmp

Filesize
2.2MB

Download
memory/4576-135-0x0000000000400000-0x0000000000638000-memory.dmp

Filesize
2.2MB

Download
memory/4632-138-0x0000000000000000-mapping.dmp

Download
memory/4640-160-0x0000000000000000-mapping.dmp

Download
memory/4672-136-0x0000000000000000-mapping.dmp

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memory/4908-148-0x0000000000000000-mapping.dmp

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memory/4912-140-0x0000000000000000-mapping.dmp

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memory/4992-162-0x0000000000000000-mapping.dmp

Download
memory/5036-152-0x0000000000000000-mapping.dmp

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memory/5088-161-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads