01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb

General

Target

01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb.exe
Size

155KB
MD5

7fe0c480e6e5502dd307d4bc5a22aff3
SHA1

af19f88f91b80df3eab8359bab2323ef217685f3
SHA256

01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb
SHA512

a82519ffec4932fd1a79f1f51e10e3a758206ac33d4135c6731c65f0ca2b3b75818b3c6abac031f8bda94d59baf562294a3619b8d1c4a0e97806d99daff084c3

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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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\a182e448-1915-4ba8-b910-9e1f88fd36a6.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220705130828.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	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

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exemsedge.exe

pid	process
908	msedge.exe
908	msedge.exe
1740	msedge.exe
1740	msedge.exe
1120	identity_helper.exe
1120	identity_helper.exe
4640	msedge.exe
4640	msedge.exe
4640	msedge.exe
4640	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

Processes:

msedge.exe

pid process

1740 msedge.exe
1740 msedge.exe
1740 msedge.exe
1740 msedge.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

msedge.exe

pid process

1740 msedge.exe
1740 msedge.exe
1740 msedge.exe

pid	process
1740	msedge.exe
1740	msedge.exe
1740	msedge.exe
1740	msedge.exe

pid	process
1740	msedge.exe
1740	msedge.exe
1740	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb.execmd.execmd.exemsedge.exe

description	pid	process	target process
PID 3484 wrote to memory of 2200	3484	01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb.exe	cmd.exe
PID 3484 wrote to memory of 2200	3484	01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb.exe	cmd.exe
PID 2200 wrote to memory of 4200	2200	cmd.exe	cmd.exe
PID 2200 wrote to memory of 4200	2200	cmd.exe	cmd.exe
PID 4200 wrote to memory of 3276	4200	cmd.exe	reg.exe
PID 4200 wrote to memory of 3276	4200	cmd.exe	reg.exe
PID 2200 wrote to memory of 1740	2200	cmd.exe	msedge.exe
PID 2200 wrote to memory of 1740	2200	cmd.exe	msedge.exe
PID 1740 wrote to memory of 4372	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 4372	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 5104	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 908	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 908	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe
PID 1740 wrote to memory of 2752	1740	msedge.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb.exe
"C:\Users\Admin\AppData\Local\Temp\01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3484

C:\Windows\system32\cmd.exe
"C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\5AC7.tmp\5AC8.tmp\5AC9.bat C:\Users\Admin\AppData\Local\Temp\01a3835bbcf655cd4e5331da7594f50d582a79e437cbda52c7365f76fa5987eb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "reg query HKEY_CLASSES_ROOT\http\shell\open\command"
3⤵
- Suspicious use of WriteProcessMemory
PID:4200

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.jining.gov.cn/col/col78128/index.html
3⤵
- 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:1740

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,0x100,0x40,0x104,0x7ffdd0a846f8,0x7ffdd0a84708,0x7ffdd0a84718
4⤵
PID:4372

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1464,16398078283709809667,7106560386429040377,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2196 /prefetch:2
4⤵
PID:5104

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=1464,16398078283709809667,7106560386429040377,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:908

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=1464,16398078283709809667,7106560386429040377,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2788 /prefetch:8
4⤵
PID:2752

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1464,16398078283709809667,7106560386429040377,131072 --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=3420 /prefetch:1
4⤵
PID:228

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1464,16398078283709809667,7106560386429040377,131072 --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=3428 /prefetch:1
4⤵
PID:644

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=1464,16398078283709809667,7106560386429040377,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4900 /prefetch:8
4⤵
PID:4420

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=1464,16398078283709809667,7106560386429040377,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5048 /prefetch:8
4⤵
PID:3848

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1464,16398078283709809667,7106560386429040377,131072 --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=5936 /prefetch:1
4⤵
PID:4908

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1464,16398078283709809667,7106560386429040377,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5988 /prefetch:1
4⤵
PID:3756

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=1464,16398078283709809667,7106560386429040377,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3564 /prefetch:8
4⤵
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
4⤵
- Drops file in Program Files directory
PID:960

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,0x7ff6b0275460,0x7ff6b0275470,0x7ff6b0275480
5⤵
PID:4420

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=1464,16398078283709809667,7106560386429040377,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3564 /prefetch:8
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:1120

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1464,16398078283709809667,7106560386429040377,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=5096 /prefetch:2
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:4640

C:\Windows\system32\reg.exe
reg query HKEY_CLASSES_ROOT\http\shell\open\command
1⤵
PID:3276

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2844

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

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5AC7.tmp\5AC8.tmp\5AC9.bat
Filesize
215B

MD5
e29ebcc9b829d97fb5c742f8275d497e

SHA1
8bd678be71499fdfb5a20e2917761e36f74d3206

SHA256
40313e3f0f92ff70966575be2f772d85a927d18ee72ea102823241a128581246

SHA512
b5617ded91d6e495466345bd19d754a18801d7f105e5c13d0b456063b4a985f8db3f45751c08012fc91bff4787c1cb401b041c0a105bbd7ca1f63f24e2cff8c5

Download Submit
\??\pipe\LOCAL\crashpad_1740_RDVWLCZKWHIXKXBB
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/228-143-0x0000000000000000-mapping.dmp

Download
memory/644-145-0x0000000000000000-mapping.dmp

Download
memory/908-138-0x0000000000000000-mapping.dmp

Download
memory/960-154-0x0000000000000000-mapping.dmp

Download
memory/1120-156-0x0000000000000000-mapping.dmp

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memory/1740-134-0x0000000000000000-mapping.dmp

Download
memory/2200-130-0x0000000000000000-mapping.dmp

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memory/2752-141-0x0000000000000000-mapping.dmp

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memory/3276-133-0x0000000000000000-mapping.dmp

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memory/3756-153-0x0000000000000000-mapping.dmp

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memory/3848-149-0x0000000000000000-mapping.dmp

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memory/4200-132-0x0000000000000000-mapping.dmp

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memory/4372-135-0x0000000000000000-mapping.dmp

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memory/4420-147-0x0000000000000000-mapping.dmp

Download
memory/4420-155-0x0000000000000000-mapping.dmp

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memory/4640-157-0x0000000000000000-mapping.dmp

Download
memory/4908-151-0x0000000000000000-mapping.dmp

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memory/5104-137-0x0000000000000000-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