8f4a15111c0ff03d0ad3461a3c7c4c30c4ce6e1c5f44d5ed2eedf7a811cb9ec2

General

Target

92206abe095f9403c76a84db93b579bf7c57349c.pdf
Size

241KB
MD5

ace3ade3e202838df3b30dcf4466691d
SHA1

92206abe095f9403c76a84db93b579bf7c57349c
SHA256

770854750077b631c1ad7f0296108dde1757ac239008ff993cf9b54268135974
SHA512

e42d740d9bb8b015b426b75533935de117b9f1fddfe7f26c38b06707a67d5629c987e63633438b7c9786027d9876d5ecb60fc386024f93393c476f2debe5ed67
SSDEEP

6144:r+fWFhsjdn2qPu5qId/JcJhKKKsNRRgTcrbSS7l8of:rEW38YvdBshKKKsNRLQ2

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-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3656 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

3656 AcroRd32.exe
3656 AcroRd32.exe
3656 AcroRd32.exe
3656 AcroRd32.exe
3656 AcroRd32.exe
3656 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3656 wrote to memory of 312	3656	AcroRd32.exe	RdrCEF.exe
PID 3656 wrote to memory of 312	3656	AcroRd32.exe	RdrCEF.exe
PID 3656 wrote to memory of 312	3656	AcroRd32.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2796	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	RdrCEF.exe	RdrCEF.exe
PID 312 wrote to memory of 2752	312	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\92206abe095f9403c76a84db93b579bf7c57349c.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:3656

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:312

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=F057AFEEF5E46C5C32ADF0951936DFB3 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2796

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=0B511F689ABED7DBF72533EFB728489A --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=4 --enable-main-frame-before-activation --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=0B511F689ABED7DBF72533EFB728489A --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2752

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=6075069892C15051BD8F18273EC5BF1B --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=4 --enable-main-frame-before-activation --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=6075069892C15051BD8F18273EC5BF1B --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4468

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=76F472D313812816BEC103B7C3086017 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1732

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=2B257BFD7FBA186E0A26E02E759EA53B --mojo-platform-channel-handle=1772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:856

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=9032B230CD626D1D2664F799E0359B63 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4620

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
64KB

MD5
e2edd0f8027c843ce10c11a10c764827

SHA1
227c4adfe513c7daf6472fe2bebe766428fdb1d2

SHA256
4fc2b517226dad55f2a175af8b59defbe11c9aa2516f12a99f54d60ac42ec359

SHA512
380ec19ac7a6a88875b6795889f1b902aae4e6b74c25a015d34ba68b96a68f463fced4cf053e2fd626f3c689d797dcce74bfc2bb2f58190f1cc7a53a3e5f638d

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3656-134-0x000000000AED0000-0x000000000B17B000-memory.dmp

Filesize
2.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads