876d4cc8a7d6401be7a40c9992735b6e8363e89a191b06d1786bab34ba806dae

General

Target

876d4cc8a7d6401be7a40c9992735b6e8363e89a191b06d1786bab34ba806dae.pdf
Size

444KB
MD5

f5b17f95b6dd5f5251affe268a96bb34
SHA1

b196a1e1025ef345d7eaad79deaea93e3b6d10ab
SHA256

876d4cc8a7d6401be7a40c9992735b6e8363e89a191b06d1786bab34ba806dae
SHA512

f87d73a27edd5bf1eae9c2ceaa89f44d55b85a524ff71312577b1044128bb3eaff397a9d2ffd0b774dd969eb8e6be802f7395f7b635eb3c2dccd38f62c608bc3
SSDEEP

12288:t8cMdUOhqgKyxy8ZBQAe1xYUZd/fYEPyDsmj2v5:t8OBgpckBQx1VZdnVPy3y5

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3584 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

3584 AcroRd32.exe
3584 AcroRd32.exe
3584 AcroRd32.exe
3584 AcroRd32.exe
3584 AcroRd32.exe
3584 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3584 wrote to memory of 3532	3584	AcroRd32.exe	RdrCEF.exe
PID 3584 wrote to memory of 3532	3584	AcroRd32.exe	RdrCEF.exe
PID 3584 wrote to memory of 3532	3584	AcroRd32.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 4704	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	RdrCEF.exe	RdrCEF.exe
PID 3532 wrote to memory of 1496	3532	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\876d4cc8a7d6401be7a40c9992735b6e8363e89a191b06d1786bab34ba806dae.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:3584

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:3532

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=FEB7E99080A9CFED55FBF73BDD3ED169 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4704

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=D2F92D933662AA0A3F14CF70A4BEF453 --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=D2F92D933662AA0A3F14CF70A4BEF453 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1496

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=560625A52E92AE53F4C08356F1A8B8DE --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=560625A52E92AE53F4C08356F1A8B8DE --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3828

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=0A4074AF60C66126065FE0BB9D80238C --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2760

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=9E3BC5DC1AD6508D4238B8C1F48F1CC9 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4736

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=7ACD28F8BB3FDCCE072B435D6034F598 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2376

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4632

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/1496-137-0x0000000000000000-mapping.dmp

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memory/2376-153-0x0000000000000000-mapping.dmp

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memory/2760-145-0x0000000000000000-mapping.dmp

Download
memory/3532-132-0x0000000000000000-mapping.dmp

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memory/3828-142-0x0000000000000000-mapping.dmp

Download
memory/4704-134-0x0000000000000000-mapping.dmp

Download
memory/4736-150-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads