6a773a62f398ff48ddfb62bc662bcec5106b3c02f2aa742b80d12a0d37cb04e6

General

Target

Payroll Report.pdf
Size

3KB
MD5

c7055cb09c9dd62f4a75c16bbfd352bb
SHA1

5e06e90a66514623cb770a4ef3a5a442b0c55509
SHA256

f049e45be8ad402769341122103dd087f7b3801469e5bc6f5e1521e938e12c55
SHA512

e99784ca929b29b790beed1e7dbf5c20036b7aee929f86216aabeb622e0024508f963c70a4b7531a2b5ad4ef2a958cf912a71b4ee2af4cb73b22972357d4ca58

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2240 AcroRd32.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

2240 AcroRd32.exe
2240 AcroRd32.exe
2240 AcroRd32.exe
2240 AcroRd32.exe
2240 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2240 wrote to memory of 3956	2240	AcroRd32.exe	RdrCEF.exe
PID 2240 wrote to memory of 3956	2240	AcroRd32.exe	RdrCEF.exe
PID 2240 wrote to memory of 3956	2240	AcroRd32.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 3824	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	RdrCEF.exe	RdrCEF.exe
PID 3956 wrote to memory of 972	3956	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\Payroll Report.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:2240

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:3956

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=B2A0E9467111054B9F4D0D9513B51ECA --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3824

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=D05F770AA51E95BCA94037DEEEB5C3BD --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=D05F770AA51E95BCA94037DEEEB5C3BD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
3⤵
PID:972

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=018D1A8201C82D76D08434D11E2915AC --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4172

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=D521236C02AF863B1DEC5533E08C2A91 --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=D521236C02AF863B1DEC5533E08C2A91 --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2548

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=D5B4852BEEDE8A77ED3B18C055C15DE3 --mojo-platform-channel-handle=2808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:404

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=221CA87E1238CA86AEF6E43132418A1A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6206fc54147664be09c89c02f37fa774

SHA1
c85e43300edc22832f68cd50160197a7a08af879

SHA256
3a54828e89e1b655a5b634439fe512e7c259b766b330e039d89585495225f16e

SHA512
62374fe534df932aabc198dc038acc0659bae09e5863f6ece84118d09bc84c1b486bfc704ce65fce7103bdcbfbd148eb6c20abd4dd2a858127d4f9696090f64f

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/2240-125-0x000000000B1D0000-0x000000000B47B000-memory.dmp

Filesize
2.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads