0d188801b8b6af1da3d49763b66cef829763c97da0a80232858afcccf86a5135

General

Target

README.pdf
Size

16KB
MD5

d70c337b948e984110ab7b3051c1def6
SHA1

6e744783e63d3e2286192dde3329bb0798a845b5
SHA256

8f094bf4ae6c7ed791207176e341e29d3bc97fd3806c6d8a1678d3e3312127e5
SHA512

57b7fc008cabd7b1d9126ef83f008c4ff58282bec0eb0d9ef58bf6299cb67cfaa047140442699b26da3a86c9e9dabe7789aee9d5480bc3d6db9db1a2eab1b7fe
SSDEEP

384:A0bBiuX0qpuHrUWyhKkTSVhNrh3C/CpJECUSza:vBivqparVyhFT6P3MCbE/

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-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1784 AcroRd32.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

1784 AcroRd32.exe
1784 AcroRd32.exe
1784 AcroRd32.exe
1784 AcroRd32.exe
1784 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 1784 wrote to memory of 2116	1784	AcroRd32.exe	RdrCEF.exe
PID 1784 wrote to memory of 2116	1784	AcroRd32.exe	RdrCEF.exe
PID 1784 wrote to memory of 2116	1784	AcroRd32.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 408	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	RdrCEF.exe	RdrCEF.exe
PID 2116 wrote to memory of 4436	2116	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\README.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:1784

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:2116

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=97BE71BED386357FFF94B4AA94298C01 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:408

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=714C95E99B205CC7ABB307E4B73ECDA7 --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=714C95E99B205CC7ABB307E4B73ECDA7 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4436

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=179806BB100AAC58BAD5793D523DC19E --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2532

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=92B6D49D4BE54E3E52E5B04D05F114A8 --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=92B6D49D4BE54E3E52E5B04D05F114A8 --renderer-client-id=5 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4700

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=02AC005156F9E1277C4902069CE4A831 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3968

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=609B52393C59249CBCBB9E5243F559DE --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3708

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2056

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

Loading Replay Monitor...

Downloads

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

MD5
f5a7e4a758153b6db8e4e23639007c39

SHA1
20818867186cfd76437160feb7278e31df1409a1

SHA256
913623809a313db7ec16ce3e79ee9c6c5269cc558a6d8ecc0e4c03b06a38aba1

SHA512
6e93c9883ac2e085006edb23e446b57e0d32d32145fd74abab579e7da0d8d90f17fc70cc285c57d77d008d61cf0526d2ff1ead7b8af57aa5462fa0e91e3d98d0

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/1784-25-0x00000000095C0000-0x00000000095E1000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads