73f566338cd3f9d3f7cfadcaa17ee17c0ce54c79f82da65077603f87c160e561

General

Target

attachment20220806-3872-d6n19d.pdf
Size

68KB
MD5

66a92fa020f2666a377e17ee190fed6c
SHA1

f4be42e2a7230b0df2691ea67da23dbd7340a220
SHA256

73f566338cd3f9d3f7cfadcaa17ee17c0ce54c79f82da65077603f87c160e561
SHA512

5b5c67298fe763fb5aff9b34a2094c0944900114dd28e8b9c0dfc641a5944ce762799d7ddc792d6d6c10b46a6b3435b27de58799ca4fef5e89eeb1a9785bdcea

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-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe
908	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

908 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

908 AcroRd32.exe
908 AcroRd32.exe
908 AcroRd32.exe
908 AcroRd32.exe
908 AcroRd32.exe
908 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 908 wrote to memory of 3988	908	AcroRd32.exe	RdrCEF.exe
PID 908 wrote to memory of 3988	908	AcroRd32.exe	RdrCEF.exe
PID 908 wrote to memory of 3988	908	AcroRd32.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 3752	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2328	3988	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\attachment20220806-3872-d6n19d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:908
- 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:3988
- - 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=C7E43CAF2AA37F7E55C6090A4CF74172 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3752
- - 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=42F08F5C63795653189E443FAB9CA8DB --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=42F08F5C63795653189E443FAB9CA8DB --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2328
- - 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=8D22F9AD7AC7EF61E94CD6A9B6F3E929 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764
- - 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=FBB2AAB30190948EEAA5DDF8CDD02C06 --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=FBB2AAB30190948EEAA5DDF8CDD02C06 --renderer-client-id=5 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4476
- - 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=7109E8D4B85ABA247DC77EC4E7366F52 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1864
- - 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=21F1D7DCFBB4EE09547381341B5F8202 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1496

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/1764-140-0x0000000000000000-mapping.dmp

Download
memory/1864-148-0x0000000000000000-mapping.dmp

Download
memory/2328-135-0x0000000000000000-mapping.dmp

Download
memory/3400-151-0x0000000000000000-mapping.dmp

Download
memory/3752-132-0x0000000000000000-mapping.dmp

Download
memory/3988-130-0x0000000000000000-mapping.dmp

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memory/4476-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads