7fdd7e02c94fd64e1a19e51f03dd0819b23437711690882d5ca765997f2447e7

General

Target

1099Misc.pdf
Size

220.0MB
MD5

65062141a5aa00068b12b74a85d67b41
SHA1

5ba2d2c53978b4de3a123d79fa3ed60e93d86a48
SHA256

133be53c484a7d2f18f7919a393b60f4276f7900417bcd7bfecdbe977e750fb4
SHA512

d9bdde0c7293acbdf4410b454cfd9a1ed6d645b69a108d88292cc3008d42909934d269d03c94d06e4868b1b2d0c6b0a260a3dfaacca9338e227452c307998231
SSDEEP

3145728:96lH+byk0ZggBznCh2HCea5bQ92NmDVr9XqnZGWp:

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-1-5-21-1687926120-3022217735-1146543763-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe
4048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4048 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4048 AcroRd32.exe
4048 AcroRd32.exe
4048 AcroRd32.exe
4048 AcroRd32.exe
4048 AcroRd32.exe
4048 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4048 wrote to memory of 2180	4048	AcroRd32.exe	RdrCEF.exe
PID 4048 wrote to memory of 2180	4048	AcroRd32.exe	RdrCEF.exe
PID 4048 wrote to memory of 2180	4048	AcroRd32.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 8	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 2780	2180	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\1099Misc.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:4048

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:2180

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=E1D1463C72A55541631B1E9815E0C7EF --mojo-platform-channel-handle=1636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:8

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=02196FECAF4355C9A879C89DD56C4CD9 --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=02196FECAF4355C9A879C89DD56C4CD9 --renderer-client-id=2 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2780

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=2CBDB98140A8C3FB33A56358296D2B0B --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=2CBDB98140A8C3FB33A56358296D2B0B --renderer-client-id=4 --mojo-platform-channel-handle=2240 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4136

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=A52F85EE03BF28BDA7107B127BD2C27F --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:796

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=EFAC1333C4566D0D27F5A66D37A4F524 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:5064

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=22FB01BD1E612926878493B731C4136E --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4928

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

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Downloads

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

MD5
e1714fddad602120d2b181b55f94afd6

SHA1
7380babce30182fa2a77c9c723f79ad71fe77b9c

SHA256
7f80c9c71dbca72e92d88204a85279815fe208985333abe66f82a32e58ec8522

SHA512
87e1a602044fc51cea3a154f8215d4b574181955420aa288c06901088a92b766f8956e176cd3c63eb62c13ab741cbad971d6c2f3ec1d8c91c12b47e48c29324a

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads