aa8e445cd39fc38cf52e0854ba9b957e4cda9b30a8c2e14e188117ec6ae42991

General

Target

aa8e445cd39fc38cf52e0854ba9b957e4cda9b30a8c2e14e188117ec6ae42991.dll
Size

949KB
MD5

fbdf6a25fef3a7a6ff829852ee01b5c9
SHA1

5c072fcc91f2ce0c6f859703c3ef1a18edc34d2f
SHA256

aa8e445cd39fc38cf52e0854ba9b957e4cda9b30a8c2e14e188117ec6ae42991
SHA512

3d00d3387a4bc0db7cfdee26f70be69a613fea3f381ed9d25151ec81ab5d0340936f5c753ac76df6237c02b66fc1981c91787bd9fcb43ee7fd28836388f1f3a4
SSDEEP

24576:N+YtmDJKpjOZdGFxI/zYd2yykjIm+JOTxpcvupMo/MtBl6:NRlj+ITrcv8MgMl

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 256 set thread context of 4588 256 rundll32.exe svchost.exe

description	pid	process	target process
PID 256 set thread context of 4588	256	rundll32.exe	svchost.exe

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\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	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 4 IoCs

Processes:

msedge.exemsedge.exe

pid process

5084 msedge.exe
5084 msedge.exe
4072 msedge.exe
4072 msedge.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

Processes:

msedge.exe

pid process

4072 msedge.exe
4072 msedge.exe
4072 msedge.exe
4072 msedge.exe
4072 msedge.exe
4072 msedge.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

msedge.exe

pid process

4072 msedge.exe
4072 msedge.exe
4072 msedge.exe

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

pid	process
5084	msedge.exe
5084	msedge.exe
4072	msedge.exe
4072	msedge.exe

pid	process
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe

pid	process
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exerundll32.exesvchost.exemsedge.exe

description	pid	process	target process
PID 4168 wrote to memory of 256	4168	rundll32.exe	rundll32.exe
PID 4168 wrote to memory of 256	4168	rundll32.exe	rundll32.exe
PID 4168 wrote to memory of 256	4168	rundll32.exe	rundll32.exe
PID 256 wrote to memory of 4588	256	rundll32.exe	svchost.exe
PID 256 wrote to memory of 4588	256	rundll32.exe	svchost.exe
PID 256 wrote to memory of 4588	256	rundll32.exe	svchost.exe
PID 256 wrote to memory of 4588	256	rundll32.exe	svchost.exe
PID 256 wrote to memory of 4588	256	rundll32.exe	svchost.exe
PID 4588 wrote to memory of 4072	4588	svchost.exe	msedge.exe
PID 4588 wrote to memory of 4072	4588	svchost.exe	msedge.exe
PID 4072 wrote to memory of 1772	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1772	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3116	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 5084	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 5084	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1668	4072	msedge.exe	msedge.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa8e445cd39fc38cf52e0854ba9b957e4cda9b30a8c2e14e188117ec6ae42991.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4168

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa8e445cd39fc38cf52e0854ba9b957e4cda9b30a8c2e14e188117ec6ae42991.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:256

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4588

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.java.com/pt_BR/
4⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4072

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,0x100,0xd4,0x104,0x7ff94a8846f8,0x7ff94a884708,0x7ff94a884718
5⤵
PID:1772

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2164,1925662191255904381,9852522197123214070,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:2
5⤵
PID:3116

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=2164,1925662191255904381,9852522197123214070,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2464 /prefetch:3
5⤵
- Suspicious behavior: EnumeratesProcesses
PID:5084

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=2164,1925662191255904381,9852522197123214070,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2684 /prefetch:8
5⤵
PID:1668

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,1925662191255904381,9852522197123214070,131072 --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=3356 /prefetch:1
5⤵
PID:3060

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,1925662191255904381,9852522197123214070,131072 --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=3372 /prefetch:1
5⤵
PID:3588

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=2164,1925662191255904381,9852522197123214070,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4944 /prefetch:8
5⤵
PID:1080

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,1925662191255904381,9852522197123214070,131072 --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=5568 /prefetch:1
5⤵
PID:2640

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,1925662191255904381,9852522197123214070,131072 --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=1488 /prefetch:1
5⤵
PID:4980

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=2164,1925662191255904381,9852522197123214070,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5888 /prefetch:8
5⤵
PID:4700

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,1925662191255904381,9852522197123214070,131072 --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=5920 /prefetch:1
5⤵
PID:1284

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,1925662191255904381,9852522197123214070,131072 --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=6024 /prefetch:1
5⤵
PID:4548

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\image.gif

Filesize
1KB

MD5
e049bc23c1e6882b6dcb165314c43a1e

SHA1
c6f2cc0124bc118e5059e7367a5e40cf30a2dc23

SHA256
53bda9e517ffc9d0b20f755cff28409d8be263de2140ceef8bef2006078f85e2

SHA512
9538d92bd5fca93b3cbc9bb2b1a80d772c049d22ed8cda5b1a5094d543c1bed677d6b201fabf5a159f5f782f9d36be2099d7fef906d171b90d5c24ce5996da2d

Download Submit
\??\pipe\LOCAL\crashpad_4072_AIFWQPLOFWNLDFFW

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/256-132-0x0000000000000000-mapping.dmp

Download
memory/256-133-0x0000000002070000-0x0000000002168000-memory.dmp

Filesize
992KB

Download
memory/1080-154-0x0000000000000000-mapping.dmp

Download
memory/1284-162-0x0000000000000000-mapping.dmp

Download
memory/1668-148-0x0000000000000000-mapping.dmp

Download
memory/1772-141-0x0000000000000000-mapping.dmp

Download
memory/2640-156-0x0000000000000000-mapping.dmp

Download
memory/3060-150-0x0000000000000000-mapping.dmp

Download
memory/3116-144-0x0000000000000000-mapping.dmp

Download
memory/3588-152-0x0000000000000000-mapping.dmp

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

Download
memory/4548-164-0x0000000000000000-mapping.dmp

Download
memory/4588-137-0x0000000008C60000-0x0000000008CBF000-memory.dmp

Filesize
380KB

Download
memory/4588-142-0x0000000008C60000-0x0000000008CBF000-memory.dmp

Filesize
380KB

Download
memory/4588-139-0x0000000008C60000-0x0000000008CBF000-memory.dmp

Filesize
380KB

Download
memory/4588-136-0x0000000008C60000-0x0000000008CBF000-memory.dmp

Filesize
380KB

Download
memory/4588-135-0x0000000008C60000-0x0000000008CBF000-memory.dmp

Filesize
380KB

Download
memory/4588-134-0x0000000000000000-mapping.dmp

Download
memory/4700-160-0x0000000000000000-mapping.dmp

Download
memory/4980-158-0x0000000000000000-mapping.dmp

Download
memory/5084-145-0x0000000000000000-mapping.dmp

Download

Analysis

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