3de48143d2809b641a46dd9db14e20995431c1ad8bb859e762ffeb2e7c7899c6

General

Target

attachment20221123-22608-b4xkpc.pdf
Size

29KB
MD5

daa2d97ba0ee3324c55c777394f02325
SHA1

dde718ea9f73233d8fc8ab024cac6d5c516cf066
SHA256

3de48143d2809b641a46dd9db14e20995431c1ad8bb859e762ffeb2e7c7899c6
SHA512

eed9067236cfa8c34acda604eb0df6680f1ca902f6e528b7ec165e23abc7369b057850864a7afeef467d83051149559f8dc141e433dea85f0f31f40e74576152
SSDEEP

768:yMIll2Sm670snxMUcmgE1hFYWwNJbh6YsQg++DfQ2arL30eul:GAU/nhgEUHmQg+kfQLL3t4

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4356 AcroRd32.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

4356 AcroRd32.exe
4356 AcroRd32.exe
4356 AcroRd32.exe
4356 AcroRd32.exe
4356 AcroRd32.exe

pid	process
4356	AcroRd32.exe

pid	process
4356	AcroRd32.exe
4356	AcroRd32.exe
4356	AcroRd32.exe
4356	AcroRd32.exe
4356	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4356 wrote to memory of 5116	4356	AcroRd32.exe	RdrCEF.exe
PID 4356 wrote to memory of 5116	4356	AcroRd32.exe	RdrCEF.exe
PID 4356 wrote to memory of 5116	4356	AcroRd32.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 4740	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe
PID 5116 wrote to memory of 1872	5116	RdrCEF.exe	RdrCEF.exe

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\attachment20221123-22608-b4xkpc.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2F84D3ABE09321C2F59D23763ADEFBD9 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4740
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=82F7524C601F313239C89C1C94EAFD9F --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=82F7524C601F313239C89C1C94EAFD9F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1872
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=41E7DC86EDE8807C5A8AE9C85AA3AE25 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=41E7DC86EDE8807C5A8AE9C85AA3AE25 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2300
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=E797ABB78EEB2F09B46EC6041419C7EA --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5DC4747E17662D710DDDB8B41185DCF1 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4216
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5722D2DD3FE1CD9876C5DAB5D77C6E76 --mojo-platform-channel-handle=2768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1804-153-0x0000000000000000-mapping.dmp

Download
memory/1872-137-0x0000000000000000-mapping.dmp

Download
memory/2300-142-0x0000000000000000-mapping.dmp

Download
memory/3444-147-0x0000000000000000-mapping.dmp

Download
memory/4216-150-0x0000000000000000-mapping.dmp

Download
memory/4740-134-0x0000000000000000-mapping.dmp

Download
memory/5116-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads